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Title: GitHub - xxtxx/LeetCode: :pencil: Python / C++ 11 Solutions of All 418 LeetCode Questions

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https://github.com/xxtxx/LeetCode#algorithms
Bit Manipulationhttps://github.com/kamyu104/LeetCode#bit-manipulation
Arrayhttps://github.com/kamyu104/LeetCode#array
Stringhttps://github.com/kamyu104/LeetCode#string
Linked Listhttps://github.com/kamyu104/LeetCode#linked-list
Stackhttps://github.com/kamyu104/LeetCode#stack
Queuehttps://github.com/kamyu104/LeetCode#queue
Heaphttps://github.com/kamyu104/LeetCode#heap
Treehttps://github.com/kamyu104/LeetCode#tree
Hash Tablehttps://github.com/kamyu104/LeetCode#hash-table
Data Structurehttps://github.com/kamyu104/LeetCode#data-structure
Mathhttps://github.com/kamyu104/LeetCode#math
Two Pointershttps://github.com/kamyu104/LeetCode#two-pointers
Sorthttps://github.com/kamyu104/LeetCode#sort
Recursionhttps://github.com/kamyu104/LeetCode#recursion
Binary Searchhttps://github.com/kamyu104/LeetCode#binary-search
Binary Search Treehttps://github.com/kamyu104/LeetCode#binary-search-tree
Breadth-First Searchhttps://github.com/kamyu104/LeetCode#breadth-first-search
Depth-First Searchhttps://github.com/kamyu104/LeetCode#depth-first-search
Backtrackinghttps://github.com/kamyu104/LeetCode#backtracking
Dynamic Programminghttps://github.com/kamyu104/LeetCode#dynamic-programming
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Designhttps://github.com/kamyu104/LeetCode#design
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https://github.com/xxtxx/LeetCode#bit-manipulation
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note
Single Numberhttps://leetcode.com/problems/single-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/single-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/single-number.py
Single Number IIhttps://leetcode.com/problems/single-number-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/single-number-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/single-number-ii.py
Reverse Bitshttps://leetcode.com/problems/reverse-bits/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-bits.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-bits.py
Number of 1 Bitshttps://leetcode.com/problems/number-of-1-bits/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/number-of-1-bits.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/number-of-1-bits.py
Bitwise AND of Numbers Rangehttps://leetcode.com/problems/bitwise-and-of-numbers-range/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/bitwise-and-of-numbers-range.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/bitwise-and-of-numbers-range.py
Power of Twohttps://leetcode.com/problems/power-of-two/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/power-of-two.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/power-of-two.py
Single Number IIIhttps://leetcode.com/problems/single-number-iii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/single-number-iii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/single-number-iii.py
Missing Numberhttps://leetcode.com/problems/missing-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/missing-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/missing-number.py
Maximum Product of Word Lengthshttps://leetcode.com/problems/maximum-product-of-word-lengths/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/maximum-product-of-word-lengths.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximum-product-of-word-lengths.py
Power of Fourhttps://leetcode.com/problems/power-of-four/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/power-of-four.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/power-of-four.py
Sum of Two Integershttps://leetcode.com/problems/sum-of-two-integers/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sum-of-two-integers.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sum-of-two-integers.py
Find the Differencehttps://leetcode.com/problems/find-the-difference/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-the-difference.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-the-difference.py
UTF-8 Validationhttps://leetcode.com/problems/utf-8-validation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/utf-8-validation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/utf-8-validation.py
Binary Watchhttps://leetcode.com/problems/binary-watch/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-watch.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-watch.py
Minimum Unique Word Abbreviationhttps://leetcode.com/problems/minimum-unique-word-abbreviation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/minimum-unique-word-abbreviation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/minimum-unique-word-abbreviation.py
https://github.com/xxtxx/LeetCode#array
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-1
3 Sumhttps://leetcode.com/problems/3sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/3sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/3sum.py
3 Sum Closesthttps://leetcode.com/problems/3sum-closest/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/3sum-closest.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/3sum-closest.py
4 Sumhttps://leetcode.com/problems/4sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/4sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/4sum.py
Remove Duplicates from Sorted Arrayhttps://leetcode.com/problems/remove-duplicates-from-sorted-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-duplicates-from-sorted-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-duplicates-from-sorted-array.py
Remove Elementhttps://leetcode.com/problems/remove-element/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-element.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-element.py
Next Permutationhttps://leetcode.com/problems/next-permutation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/next-permutation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/next-permutation.py
First Missing Positivehttps://leetcode.com/problems/first-missing-positive/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/first-missing-positive.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/first-missing-positive.py
Rotate Imagehttps://leetcode.com/problems/rotate-image/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/rotate-image.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/rotate-image.py
Spiral Matrixhttps://leetcode.com/problems/spiral-matrix/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/spiral-matrix.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/spiral-matrix.py
Spiral Matrix IIhttps://leetcode.com/problems/spiral-matrix-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/spiral-matrix-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/spiral-matrix-ii.py
Plus Onehttps://leetcode.com/problems/plus-one/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/plus-one.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/plus-one.py
Set Matrix Zeroeshttps://leetcode.com/problems/set-matrix-zeroes/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/set-matrix-zeroes.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/set-matrix-zeroes.py
Remove Duplicates from Sorted Array IIhttps://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-duplicates-from-sorted-array-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-duplicates-from-sorted-array-ii.py
Pascal's Trianglehttps://leetcode.com/problems/pascals-triangle/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/pascals-triangle.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/pascals-triangle.py
Pascal's Triangle IIhttps://leetcode.com/problems/pascals-triangle-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/pascals-triangle-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/pascals-triangle-ii.py
Best Time to Buy and Sell Stockhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/best-time-to-buy-and-sell-stock.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/best-time-to-buy-and-sell-stock.py
Longest Consecutive Sequencehttps://leetcode.com/problems/longest-consecutive-sequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-consecutive-sequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-consecutive-sequence.py
Read N Characters Given Read4https://leetcode.com/problems/read-n-characters-given-read4/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/read-n-characters-given-read4.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/read-n-characters-given-read4.py
Read N Characters Given Read4 II - Call multiple timeshttps://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/read-n-characters-given-read4-ii-call-multiple-times.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/read-n-characters-given-read4-ii-call-multiple-times.py
Missing Rangeshttps://leetcode.com/problems/missing-ranges/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/missing-ranges.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/missing-ranges.py
Majority Elementhttps://leetcode.com/problems/majority-element/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/majority-element.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/majority-element.py
Rotate Arrayhttps://leetcode.com/problems/rotate-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/rotate-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/rotate-array.py
Minimum Size Subarray Sumhttps://leetcode.com/problems/minimum-size-subarray-sum/
Kth Largest Element in an Arrayhttps://leetcode.com/problems/kth-largest-element-in-an-array/
Summary Rangeshttps://leetcode.com/problems/summary-ranges/
Majority Element IIhttps://leetcode.com/problems/majority-element-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/majority-element-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/majority-element-ii.py
Product of Array Except Selfhttps://leetcode.com/problems/product-of-array-except-self/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/product-of-array-except-self.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/product-of-array-except-self.py
Search a 2D Matrix IIhttps://leetcode.com/problems/search-a-2d-matrix-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/search-a-2d-matrix-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/search-a-2d-matrix-ii.py
Shortest Word Distancehttps://leetcode.com/problems/shortest-word-distance/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/shortest-word-distance.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/shortest-word-distance.py
Shortest Word Distance IIIhttps://leetcode.com/problems/shortest-word-distance-iii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/shortest-word-distance-iii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/shortest-word-distance-iii.py
Flatten 2D Vectorhttps://leetcode.com/problems/flatten-2d-vector/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/flatten-2d-vector.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/flatten-2d-vector.py
Find the Celebrityhttps://leetcode.com/problems/find-the-celebrity/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-the-celebrity.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-the-celebrity.py
Game of Lifehttps://leetcode.com/problems/game-of-life/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/game-of-life.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/game-of-life.py
Flip Gamehttps://leetcode.com/problems/flip-game/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/flip-game.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/flip-game.py
Best Meeting Pointhttps://leetcode.com/problems/best-meeting-point/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/best-meeting-point.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/best-meeting-point.py
Sparse Matrix Multiplicationhttps://leetcode.com/problems/sparse-matrix-multiplication/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sparse-matrix-multiplication.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sparse-matrix-multiplication.py
Increasing Triplet Subsequencehttps://leetcode.com/problems/increasing-triplet-subsequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/increasing-triplet-subsequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/increasing-triplet-subsequence.py
Range Additionhttps://leetcode.com/problems/range-addition/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/range-addition.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/range-addition.py
Shuffle an Arrayhttps://leetcode.com/problems/shuffle-an-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/shuffle-an-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/shuffle-an-array.py
Rotate Functionhttps://leetcode.com/problems/rotate-function/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/rotate-function.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/rotate-function.py
Fizz Buzzhttps://leetcode.com/problems/fizz-buzz/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/fizz-buzz.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/fizz-buzz.py
Third Maximum Numberhttps://leetcode.com/problems/third-maximum-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/third-maximum-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/third-maximum-number.py
https://github.com/xxtxx/LeetCode#string
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-2
Longest Palindromic Substringhttps://leetcode.com/problems/longest-palindromic-substring/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-palindromic-substring.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-palindromic-substring.py
ZigZag Conversionhttps://leetcode.com/problems/zigzag-conversion/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/zigzag-conversion.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/zigzag-conversion.py
String to Integer (atoi)https://leetcode.com/problems/string-to-integer-atoi/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/string-to-integer-atoi.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/string-to-integer-atoi.py
Longest Common Prefixhttps://leetcode.com/problems/longest-common-prefix/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-common-prefix.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-common-prefix.py
Implement strStr()https://leetcode.com/problems/implement-strstr/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/implement-strstr.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/implement-strstr.py
Count and Sayhttps://leetcode.com/problems/count-and-say/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-and-say.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-and-say.py
Multiply Stringshttps://leetcode.com/problems/multiply-strings/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/multiply-strings.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/multiply-strings.py
Length of Last Wordhttps://leetcode.com/problems/length-of-last-word/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/length-of-last-word.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/length-of-last-word.py
Add Binaryhttps://leetcode.com/problems/add-binary/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/add-binary.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/add-binary.py
Text Justificationhttps://leetcode.com/problems/text-justification/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/text-justification.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/text-justification.py
Valid Palindromehttps://leetcode.com/problems/valid-palindrome/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-palindrome.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-palindrome.py
Reverse Words in a Stringhttps://leetcode.com/problems/reverse-words-in-a-string/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-words-in-a-string.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-words-in-a-string.py
One Edit Distancehttps://leetcode.com/problems/one-edit-distance/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/one-edit-distance.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/one-edit-distance.py
Compare Version Numbershttps://leetcode.com/problems/compare-version-numbers/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/compare-version-numbers.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/compare-version-numbers.py
Reverse Words in a String IIhttps://leetcode.com/problems/reverse-words-in-a-string-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-words-in-a-string-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-words-in-a-string-ii.py
Shortest Palindromehttps://leetcode.com/problems/shortest-palindrome/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/shortest-palindrome.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/shortest-palindrome.py
Valid Anagramhttps://leetcode.com/problems/valid-anagram/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-anagram.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-anagram.py
Encode and Decode Stringshttps://leetcode.com/problems/encode-and-decode-strings/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/encode-and-decode-strings.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/encode-and-decode-strings.py
Integer to English Wordshttps://leetcode.com/problems/integer-to-english-words/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/integer-to-english-words.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/integer-to-english-words.py
Addictive Numberhttps://leetcode.com/problems/additive-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/additive-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/additive-number.py
Ransom Notehttps://leetcode.com/problems/ransom-note/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/ransom-note.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/ransom-note.py
Convert a Number to Hexadecimalhttps://leetcode.com/problems/convert-a-number-to-hexadecimal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/convert-a-number-to-hexadecimal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/convert-a-number-to-hexadecimal.py
Valid Word Abbreviationhttps://leetcode.com/problems/valid-word-abbreviation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-word-abbreviation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-word-abbreviation.py
Add Stringshttps://leetcode.com/problems/add-strings/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/add-strings.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/add-strings.py
https://github.com/xxtxx/LeetCode#linked-list
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-3
Add Two Numbershttps://leetcode.com/problems/add-two-numbers/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/add-two-numbers.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/add-two-numbers.py
Merge Two Sorted Listshttps://leetcode.com/problems/merge-two-sorted-lists/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/merge-two-sorted-lists.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/merge-two-sorted-lists.py
Merge k Sorted Listshttps://leetcode.com/problems/merge-k-sorted-lists/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/merge-k-sorted-lists.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/merge-k-sorted-lists.py
Swap Nodes in Pairshttps://leetcode.com/problems/swap-nodes-in-pairs/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/swap-nodes-in-pairs.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/swap-nodes-in-pairs.py
Reverse Nodes in k-Grouphttps://leetcode.com/problems/reverse-nodes-in-k-group/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-nodes-in-k-group.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-nodes-in-k-group.py
Rotate Listhttps://leetcode.com/problems/rotate-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/rotate-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/rotate-list.py
Remove Duplicates from Sorted List IIhttps://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-duplicates-from-sorted-list-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-duplicates-from-sorted-list-ii.py
Remove Duplicates from Sorted Listhttps://leetcode.com/problems/remove-duplicates-from-sorted-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-duplicates-from-sorted-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-duplicates-from-sorted-list.py
Reverse Linked List IIhttps://leetcode.com/problems/reverse-linked-list-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-linked-list-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-linked-list-ii.py
Copy List with Random Pointerhttps://leetcode.com/problems/copy-list-with-random-pointer/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/copy-list-with-random-pointer.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/copy-list-with-random-pointer.py
Intersection of Two Linked Listshttps://leetcode.com/problems/intersection-of-two-linked-lists/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/intersection-of-two-linked-lists.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/intersection-of-two-linked-lists.py
Remove Linked List Elementshttps://leetcode.com/problems/remove-linked-list-elements/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-linked-list-elements.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-linked-list-elements.py
Reverse Linked Listhttps://leetcode.com/problems/reverse-linked-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-linked-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-linked-list.py
Palindrome Linked Listhttps://leetcode.com/problems/palindrome-linked-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/palindrome-linked-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-linked-list.py
Delete Node in a Linked Listhttps://leetcode.com/problems/delete-node-in-a-linked-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/delete-node-in-a-linked-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/delete-node-in-a-linked-list.py
Odd Even Linked Listhttps://leetcode.com/problems/odd-even-linked-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/odd-even-linked-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/odd-even-linked-list.py
Plus One Linked Listhttps://leetcode.com/problems/plus-one-linked-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/plus-one-linked-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/plus-one-linked-list.py
https://github.com/xxtxx/LeetCode#stack
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-4
Valid Parentheseshttps://leetcode.com/problems/valid-parentheses/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-parentheses.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-parentheses.py
Longest Valid Parentheseshttps://leetcode.com/problems/longest-valid-parentheses/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-valid-parentheses.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-valid-parentheses.py
Simplify Pathhttps://leetcode.com/problems/simplify-path/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/simplify-path.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/simplify-path.py
Largest Rectangle in Histogramhttps://leetcode.com/problems/largest-rectangle-in-histogram/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/largest-rectangle-in-histogram.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/largest-rectangle-in-histogram.py
Maximal Rectanglehttps://leetcode.com/problems/maximal-rectangle/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/maximal-rectangle.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximal-rectangle.py
Symmetric Treehttps://leetcode.com/problems/symmetric-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/symmetric-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/symmetric-tree.py
Evaluate Reverse Polish Notationhttps://leetcode.com/problems/evaluate-reverse-polish-notation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/evaluate-reverse-polish-notation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/evaluate-reverse-polish-notation.py
Min Stackhttps://leetcode.com/problems/min-stack/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/min-stack.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/min-stack.py
Binary Search Tree Iteratorhttps://leetcode.com/problems/binary-search-tree-iterator/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-search-tree-iterator.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-search-tree-iterator.py
Basic Calculatorhttps://leetcode.com/problems/basic-calculator/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/basic-calculator.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/basic-calculator.py
Basic Calculator IIhttps://leetcode.com/problems/basic-calculator-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/basic-calculator-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/basic-calculator-ii.py
Implement Queue using Stackshttps://leetcode.com/problems/implement-queue-using-stacks/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/implement-queue-using-stacks.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/implement-queue-using-stacks.py
Verify Preorder Sequence in Binary Search Treehttps://leetcode.com/problems/verify-preorder-sequence-in-binary-search-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/verify-preorder-sequence-in-binary-search-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/verify-preorder-sequence-in-binary-search-tree.py
Closest Binary Search Tree Value IIhttps://leetcode.com/problems/closest-binary-search-tree-value-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/closest-binary-search-tree-value-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/closest-binary-search-tree-value-ii.py
Verify Preorder Serialization of a Binary Treehttps://leetcode.com/problems/verify-preorder-serialization-of-a-binary-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/verify-preorder-serialization-of-a-binary-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/verify-preorder-serialization-of-a-binary-tree.py
Flatten Nested List Iteratorhttps://leetcode.com/problems/flatten-nested-list-iterator/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/flatten-nested-list-iterator.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/flatten-nested-list-iterator.py
Mini Parserhttps://leetcode.com/problems/mini-parser/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/mini-parser.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/mini-parser.py
Decode Stringhttps://leetcode.com/problems/decode-string/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/decode-string.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/decode-string.py
https://github.com/xxtxx/LeetCode#queue
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-5
Sliding Window Maximumhttps://leetcode.com/problems/sliding-window-maximum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sliding-window-maximum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sliding-window-maximum.py
Zigzag Iteratorhttps://leetcode.com/problems/zigzag-iterator/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/zigzag-iterator.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/zigzag-iterator.py
Moving Average from Data Streamhttps://leetcode.com/problems/moving-average-from-data-stream/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/moving-average-from-data-stream.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/moving-average-from-data-stream.py
https://github.com/xxtxx/LeetCode#heap
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-6
Ugly Number IIhttps://leetcode.com/problems/ugly-number-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/ugly-number-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/ugly-number-ii.py
Find Median from Data Streamhttps://leetcode.com/problems/find-median-from-data-stream/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-median-from-data-stream.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-median-from-data-stream.py
Super Ugly Numberhttps://leetcode.com/problems/super-ugly-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/super-ugly-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/super-ugly-number.py
Rearrange String k Distance Aparthttps://leetcode.com/problems/rearrange-string-k-distance-apart/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/rearrange-string-k-distance-apart.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/rearrange-string-k-distance-apart.py
Find K Pairs with Smallest Sumshttps://leetcode.com/problems/find-k-pairs-with-smallest-sums/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-k-pairs-with-smallest-sums.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-k-pairs-with-smallest-sums.py
Kth Smallest Element in a Sorted Matrixhttps://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/kth-smallest-element-in-a-sorted-matrix.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/kth-smallest-element-in-a-sorted-matrix.py
Trapping Rain Water IIhttps://leetcode.com/problems/trapping-rain-water-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/trapping-rain-water-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/trapping-rain-water-ii.py
https://github.com/xxtxx/LeetCode#tree
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-7
Binary Tree Inorder Traversalhttps://leetcode.com/problems/binary-tree-inorder-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-inorder-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-inorder-traversal.py
Recover Binary Search Treehttps://leetcode.com/problems/recover-binary-search-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/recover-binary-search-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/recover-binary-search-tree.py
Binary Tree Preorder Traversalhttps://leetcode.com/problems/binary-tree-preorder-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-preorder-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-preorder-traversal.py
Binary Tree Postorder Traversalhttps://leetcode.com/problems/binary-tree-postorder-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-postorder-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-postorder-traversal.py
Implement Trie (Prefix Tree)https://leetcode.com/problems/implement-trie-prefix-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/implement-trie-prefix-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/implement-trie-prefix-tree.py
Add and Search Word - Data structure designhttps://leetcode.com/problems/add-and-search-word-data-structure-design/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/add-and-search-word-data-structure-design.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/add-and-search-word-data-structure-design.py
Invert Binary Treehttps://leetcode.com/problems/invert-binary-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/invert-binary-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/invert-binary-tree.py
Serialize and Deserialize Binary Treehttps://leetcode.com/problems/serialize-and-deserialize-binary-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/serialize-and-deserialize-binary-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/serialize-and-deserialize-binary-tree.py
Range Sum Query - Mutablehttps://leetcode.com/problems/range-sum-query-mutable/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/range-sum-query-mutable.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/range-sum-query-mutable.py
Range Sum Query 2D - Mutablehttps://leetcode.com/problems/range-sum-query-2d-mutable/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/range-sum-query-2d-mutable.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/range-sum-query-2d-mutable.py
Count of Smaller Numbers After Selfhttps://leetcode.com/problems/count-of-smaller-numbers-after-self/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-of-smaller-numbers-after-self.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-of-smaller-numbers-after-self.py
https://github.com/xxtxx/LeetCode#hash-table
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-8
Two Sumhttps://leetcode.com/problems/two-sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/two-sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/two-sum.py
Longest Substring Without Repeating Charactershttps://leetcode.com/problems/longest-substring-without-repeating-characters/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-substring-without-repeating-characters.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-substring-without-repeating-characters.py
Substring with Concatenation of All Wordshttps://leetcode.com/problems/substring-with-concatenation-of-all-words/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/substring-with-concatenation-of-all-words.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/substring-with-concatenation-of-all-words.py
Valid Sudokuhttps://leetcode.com/problems/valid-sudoku/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-sudoku.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-sudoku.py
Group Anagramshttps://leetcode.com/problems/anagrams/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/anagrams.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/anagrams.py
Minimum Window Substringhttps://leetcode.com/problems/minimum-window-substring/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/minimum-window-substring.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/minimum-window-substring.py
Max Points on a Linehttps://leetcode.com/problems/max-points-on-a-line/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/max-points-on-a-line.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/max-points-on-a-line.py
Longest Substring with At Most Two Distinct Charactershttps://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-substring-with-at-most-two-distinct-characters.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-substring-with-at-most-two-distinct-characters.py
Two Sum III - Data structure designhttps://leetcode.com/problems/two-sum-iii-data-structure-design/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/two-sum-iii-data-structure-design.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/two-sum-iii-data-structure-design.py
Repeated DNA Sequenceshttps://leetcode.com/problems/repeated-dna-sequences/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/repeated-dna-sequences.py
Happy Numberhttps://leetcode.com/problems/happy-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/happy-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/happy-number.py
Count Primeshttps://leetcode.com/problems/count-primes/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-primes.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-primes.py
Isomorphic Stringshttps://leetcode.com/problems/isomorphic-strings/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/isomorphic-strings.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/isomorphic-strings.py
Contains Duplicatehttps://leetcode.com/problems/contains-duplicate/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/contains-duplicate.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/contains-duplicate.py
Contains Duplicate IIhttps://leetcode.com/problems/contains-duplicate-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/contains-duplicate-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/contains-duplicate-ii.py
Shortest Word Distance IIhttps://leetcode.com/problems/shortest-word-distance-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/shortest-word-distance-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/shortest-word-distance-ii.py
Strobogrammatic Numberhttps://leetcode.com/problems/strobogrammatic-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/strobogrammatic-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/strobogrammatic-number.py
Group Shifted Stringshttps://leetcode.com/problems/group-shifted-strings/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/group-shifted-strings.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/group-shifted-strings.py
Palindrome Permutationhttps://leetcode.com/problems/palindrome-permutation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/palindrome-permutation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-permutation.py
Unique Word Abbreviationhttps://leetcode.com/problems/unique-word-abbreviation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/unique-word-abbreviation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/unique-word-abbreviation.py
Word Patternhttps://leetcode.com/problems/word-pattern/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/word-pattern.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-pattern.py
Isomorphic Stringshttps://leetcode.com/problems/isomorphic-strings/
Bulls and Cowshttps://leetcode.com/problems/bulls-and-cows/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/bulls-and-cows.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/bulls-and-cows.py
Number of Islands IIhttps://leetcode.com/problems/number-of-islands-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/number-of-islands-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/number-of-islands-ii.py
Binary Tree Vertical Order Traversalhttps://leetcode.com/problems/binary-tree-vertical-order-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-vertical-order-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-vertical-order-traversal.py
Number of Connected Components in an Undirected Graphhttps://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/number-of-connected-components-in-an-undirected-graph.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/number-of-connected-components-in-an-undirected-graph.py
Maximum Size Subarray Sum Equals khttps://leetcode.com/problems/maximum-size-subarray-sum-equals-k/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/maximum-size-subarray-sum-equals-k.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximum-size-subarray-sum-equals-k.py
Palindrome Pairshttps://leetcode.com/problems/palindrome-pairs/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/palindrome-pairs.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-pairs.py
Longest Substring with At Most K Distinct Charactershttps://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-substring-with-at-most-k-distinct-characters.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-substring-with-at-most-k-distinct-characters.py
Line Reflectionhttps://leetcode.com/problems/line-reflection/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/line-reflection.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/line-reflection.py
First Unique Character in a Stringhttps://leetcode.com/problems/first-unique-character-in-a-string/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/first-unique-character-in-a-string.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/first-unique-character-in-a-string.py
Longest Absolute File Pathhttps://leetcode.com/problems/first-unique-character-in-a-string/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-absolute-file-path.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-absolute-file-path.py
Longest Palindromehttps://leetcode.com/problems/longest-palindrome/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-palindrome.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-palindrome.py
https://github.com/xxtxx/LeetCode#data-structure
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-9
LRU Cachehttps://leetcode.com/problems/lru-cache/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/lru-cache.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/lru-cache.py
Implement Stack using Queueshttps://leetcode.com/problems/implement-stack-using-queues/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/implement-stack-using-queues.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/implement-stack-using-queues.py
https://github.com/xxtxx/LeetCode#math
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-10
Reverse Integerhttps://leetcode.com/problems/reverse-integer/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-integer.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-integer.py
Palindrome Numberhttps://leetcode.com/problems/palindrome-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/palindrome-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-number.py
Integer to Romanhttps://leetcode.com/problems/integer-to-roman/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/integer-to-roman.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/integer-to-roman.py
Roman to Integerhttps://leetcode.com/problems/roman-to-integer/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/roman-to-integer.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/roman-to-integer.py
Divide Two Integershttps://leetcode.com/problems/divide-two-integers/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/divide-two-integers.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/divide-two-integers.py
Pow(x, n)https://leetcode.com/problems/powx-n/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/powx-n.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/powx-n.py
Permutation Sequencehttps://leetcode.com/problems/permutation-sequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/permutation-sequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/permutation-sequence.py
Valid Numberhttps://leetcode.com/problems/valid-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-number.py
Gray Codehttps://leetcode.com/problems/gray-code/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/gray-code.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/gray-code.py
Fraction to Recurring Decimalhttps://leetcode.com/problems/fraction-to-recurring-decimal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/fraction-to-recurring-decimal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/fraction-to-recurring-decimal.py
Excel Sheet Column Titlehttps://leetcode.com/problems/excel-sheet-column-title/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/excel-sheet-column-title.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/excel-sheet-column-title.py
Excel Sheet Column Numberhttps://leetcode.com/problems/excel-sheet-column-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/excel-sheet-column-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/excel-sheet-column-number.py
Factorial Trailing Zeroeshttps://leetcode.com/problems/factorial-trailing-zeroes/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/factorial-trailing-zeroes.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/factorial-trailing-zeroes.py
Rectangle Areahttps://leetcode.com/problems/rectangle-area/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/rectangle-area.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/rectangle-area.py
Number of Digit Onehttps://leetcode.com/problems/number-of-digit-one/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/number-of-digit-one.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/number-of-digit-one.py
Strobogrammatic Number IIIhttps://leetcode.com/problems/strobogrammatic-number-iii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/strobogrammatic-number-iii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/strobogrammatic-number-iii.py
Add Digitshttps://leetcode.com/problems/add-digits/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/add-digits.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/add-digits.py
Ugly Numberhttps://leetcode.com/problems/ugly-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/ugly-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/ugly-number.py
Nim Gamehttps://leetcode.com/problems/nim-game/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/nim-game.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/nim-game.py
Bulb Switcherhttps://leetcode.com/problems/bulb-switcher/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/bulb-switcher.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/bulb-switcher.py
Power of Threehttps://leetcode.com/problems/power-of-three/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/power-of-three.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/power-of-three.py
Self Crossinghttps://leetcode.com/problems/self-crossing/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/self-crossing.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/self-crossing.py
Counting Bitshttps://leetcode.com/problems/counting-bits/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/counting-bits.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/counting-bits.py
Integer Breakhttps://leetcode.com/problems/integer-break/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/integer-break.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/integer-break.py
Water and Jug Problemhttps://leetcode.com/problems/water-and-jug-problem/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/water-and-jug-problem.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/water-and-jug-problem.py
Super Powhttps://leetcode.com/problems/super-pow/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/super-pow.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/super-pow.py
Linked List Random Nodehttps://leetcode.com/problems/linked-list-random-node/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/linked-list-random-node.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/linked-list-random-node.py
Lexicographical Numbershttps://leetcode.com/problems/lexicographical-numbers/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/lexicographical-numbers.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/lexicographical-numbers.py
Elimination Gamehttps://leetcode.com/problems/elimination-game/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/elimination-game.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/elimination-game.py
Perfect Rectanglehttps://leetcode.com/problems/perfect-rectangle/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/perfect-rectangle.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/perfect-rectangle.py
Random Pick Indexhttps://leetcode.com/problems/random-pick-index/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/random-pick-index.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/random-pick-index.py
Nth Digithttps://leetcode.com/problems/nth-digit/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/nth-digit.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/nth-digit.py
Arithmetic Sliceshttps://leetcode.com/problems/arithmetic-slices/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/arithmetic-slices.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/arithmetic-slices.py
https://github.com/xxtxx/LeetCode#sort
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-11
Merge Intervalshttps://leetcode.com/problems/merge-intervals/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/merge-intervals.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/merge-intervals.py
Insert Intervalhttps://leetcode.com/problems/insert-interval/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/insert-interval.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/insert-interval.py
Sort Colorshttps://leetcode.com/problems/sort-colors/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sort-colors.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sort-colors.py
Merge Sorted Arrayhttps://leetcode.com/problems/merge-sorted-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/merge-sorted-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/merge-sorted-array.py
Insertion Sort Listhttps://leetcode.com/problems/insertion-sort-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/insertion-sort-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/insertion-sort-list.py
Sort Listhttps://leetcode.com/problems/sort-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sort-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sort-list.py
Maximum Gaphttps://leetcode.com/problems/maximum-gap/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/maximum-gap.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximum-gap.py
Largest Numberhttps://leetcode.com/problems/largest-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/largest-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/largest-number.py
The Skyline Problemhttps://leetcode.com/problems/the-skyline-problem/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/the-skyline-problem.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/the-skyline-problem.py
Meeting Roomshttps://leetcode.com/problems/meeting-rooms/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/meeting-rooms.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/meeting-rooms.py
Meeting Rooms IIhttps://leetcode.com/problems/meeting-rooms-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/meeting-rooms-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/meeting-rooms-ii.py
H-Indexhttps://leetcode.com/problems/h-index/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/h-index.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/h-index.py
Wiggle Sorthttps://leetcode.com/problems/wiggle-sort/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/wiggle-sort.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/wiggle-sort.py
Wiggle Sort IIhttps://leetcode.com/problems/wiggle-sort-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/wiggle-sort-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/wiggle-sort-ii.py
Sort Colorshttps://leetcode.com/problems/sort-colors/
Top K Frequent Elementshttps://leetcode.com/problems/top-k-frequent-elements/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/top-k-frequent-elements.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/top-k-frequent-elements.py
Queue Reconstruction by Heighthttps://leetcode.com/problems/queue-reconstruction-by-height/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/queue-reconstruction-by-height.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/queue-reconstruction-by-height.py
https://github.com/xxtxx/LeetCode#two-pointers
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-12
Remove Nth Node From End of Listhttps://leetcode.com/problems/remove-nth-node-from-end-of-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-nth-node-from-end-of-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-nth-node-from-end-of-list.py
Partition Listhttps://leetcode.com/problems/partition-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/partition-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/partition-list.py
Linked List Cyclehttps://leetcode.com/problems/linked-list-cycle/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/linked-list-cycle.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/linked-list-cycle.py
Linked List Cycle IIhttps://leetcode.com/problems/linked-list-cycle-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/linked-list-cycle-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/linked-list-cycle-ii.py
Reorder Listhttps://leetcode.com/problems/reorder-list/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reorder-list.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reorder-list.py
Two Sum II - Input array is sortedhttps://leetcode.com/problems/two-sum-ii-input-array-is-sorted/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/two-sum-ii-input-array-is-sorted.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/two-sum-ii-input-array-is-sorted.py
3Sum Smallerhttps://leetcode.com/problems/3sum-smaller/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/3sum-smaller.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/3sum-smaller.py
Move Zeroeshttps://leetcode.com/problems/move-zeroes/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/move-zeroes.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/move-zeroes.py
Find the Duplicate Numberhttps://leetcode.com/problems/find-the-duplicate-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-the-duplicate-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-the-duplicate-number.py
Reverse Stringhttps://leetcode.com/problems/reverse-string/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-string.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-string.py
Reverse Vowels of a Stringhttps://leetcode.com/problems/reverse-vowels-of-a-string/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reverse-vowels-of-a-string.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reverse-vowels-of-a-string.py
Intersection of Two Arrayshttps://leetcode.com/problems/intersection-of-two-arrays/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/intersection-of-two-arrays.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/intersection-of-two-arrays.py
Intersection of Two Arrays IIhttps://leetcode.com/problems/intersection-of-two-arrays-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/intersection-of-two-arrays-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/intersection-of-two-arrays-ii.py
Sort Transformed Arrayhttps://leetcode.com/problems/sort-transformed-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sort-transformed-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sort-transformed-array.py
https://github.com/xxtxx/LeetCode#recursion
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-13
Unique Binary Search Trees IIhttps://leetcode.com/problems/unique-binary-search-trees-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/unique-binary-search-trees-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/unique-binary-search-trees-ii.py
Validate Binary Search Treehttps://leetcode.com/problems/validate-binary-search-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/validate-binary-search-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/validate-binary-search-tree.py
Same Treehttps://leetcode.com/problems/same-tree/
C+https://github.com/xxtxx/LeetCode/blob/master/C++/same-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/same-tree.py
Maximum Depth of Binary Treehttps://leetcode.com/problems/maximum-depth-of-binary-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/maximum-depth-of-binary-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximum-depth-of-binary-tree.py
Construct Binary Tree from Preorder and Inorder Traversalhttps://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/construct-binary-tree-from-preorder-and-inorder-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/construct-binary-tree-from-preorder-and-inorder-traversal.py
Construct Binary Tree from Inorder and Postorder Traversalhttps://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/construct-binary-tree-from-inorder-and-postorder-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/construct-binary-tree-from-inorder-and-postorder-traversal.py
Convert Sorted Array to Binary Search Treehttps://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/convert-sorted-array-to-binary-search-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/convert-sorted-array-to-binary-search-tree.py
Convert Sorted List to Binary Search Treehttps://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/convert-sorted-list-to-binary-search-tree.py
Balanced Binary Treehttps://leetcode.com/problems/balanced-binary-tree/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/balanced-binary-tree.py
Minimum Depth of Binary Treehttps://leetcode.com/problems/minimum-depth-of-binary-tree/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/minimum-depth-of-binary-tree.py
Flatten Binary Tree to Linked Listhttps://leetcode.com/problems/flatten-binary-tree-to-linked-list/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/flatten-binary-tree-to-linked-list.py
Populating Next Right Pointers in Each Nodehttps://leetcode.com/problems/populating-next-right-pointers-in-each-node/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/populating-next-right-pointers-in-each-node.py
Binary Tree Maximum Path Sumhttps://leetcode.com/problems/binary-tree-maximum-path-sum/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-maximum-path-sum.py
Sum Root to Leaf Numbershttps://leetcode.com/problems/sum-root-to-leaf-numbers/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sum-root-to-leaf-numbers.py
Binary Tree Upside Downhttps://leetcode.com/problems/binary-tree-upside-down/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-upside-down.py
Different Ways to Add Parentheseshttps://leetcode.com/problems/different-ways-to-add-parentheses/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/different-ways-to-add-parentheses.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/different-ways-to-add-parentheses.py
Binary Tree Longest Consecutive Sequencehttps://leetcode.com/problems/binary-tree-longest-consecutive-sequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-longest-consecutive-sequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-longest-consecutive-sequence.py
Count of Range Sumhttps://leetcode.com/problems/count-of-range-sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-of-range-sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-of-range-sum.py
Largest BST Subtreehttps://leetcode.com/problems/largest-bst-subtree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/largest-bst-subtree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/largest-bst-subtree.py
House Robber IIIhttps://leetcode.com/problems/house-robber-iii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/house-robber-iii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/house-robber-iii.py
Longest Substring with At Least K Repeating Charactershttps://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-substring-with-at-least-k-repeating-characters.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-substring-with-at-least-k-repeating-characters.py
Sum of Left Leaveshttps://leetcode.com/problems/sum-of-left-leaves/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sum-of-left-leaves.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sum-of-left-leaves.py
https://github.com/xxtxx/LeetCode#binary-search
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-14
Median of Two Sorted Arrayshttps://leetcode.com/problems/median-of-two-sorted-arrays/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/median-of-two-sorted-arrays.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/median-of-two-sorted-arrays.py
Search in Rotated Sorted Arrayhttps://leetcode.com/problems/search-in-rotated-sorted-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/search-in-rotated-sorted-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/search-in-rotated-sorted-array.py
Search for a Rangehttps://leetcode.com/problems/search-for-a-range/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/search-for-a-range.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/search-for-a-range.py
Search Insert Positionhttps://leetcode.com/problems/search-insert-position/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/search-insert-position.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/search-insert-position.py
Sqrt(x)https://leetcode.com/problems/sqrtx/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sqrtx.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sqrtx.py
Search a 2D Matrixhttps://leetcode.com/problems/search-a-2d-matrix/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/search-a-2d-matrix.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/search-a-2d-matrix.py
Search in Rotated Sorted Array IIhttps://leetcode.com/problems/search-in-rotated-sorted-array-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/search-in-rotated-sorted-array-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/search-in-rotated-sorted-array-ii.py
Find Minimum in Rotated Sorted Arrayhttps://leetcode.com/problems/find-minimum-in-rotated-sorted-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-minimum-in-rotated-sorted-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-minimum-in-rotated-sorted-array.py
Find Minimum in Rotated Sorted Array IIhttps://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-minimum-in-rotated-sorted-array-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-minimum-in-rotated-sorted-array-ii.py
Find Peak Elementhttps://leetcode.com/problems/find-peak-element/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-peak-element.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-peak-element.py
Count Complete Tree Nodeshttps://leetcode.com/problems/count-complete-tree-nodes/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-complete-tree-nodes.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-complete-tree-nodes.py
H-Index IIhttps://leetcode.com/problems/h-index-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/h-index-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/h-index-ii.py
First Bad Versionhttps://leetcode.com/problems/first-bad-version/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/first-bad-version.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/first-bad-version.py
Longest Increasing Subsequencehttps://leetcode.com/problems/longest-increasing-subsequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-increasing-subsequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-increasing-subsequence.py
Smallest Rectangle Enclosing Black Pixelshttps://leetcode.com/problems/smallest-rectangle-enclosing-black-pixels/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/smallest-rectangle-enclosing-black-pixels.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/smallest-rectangle-enclosing-black-pixels.py
Russian Doll Envelopeshttps://leetcode.com/problems/russian-doll-envelopes/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/russian-doll-envelopes.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/russian-doll-envelopes.py
Max Sum of Rectangle No Larger Than Khttps://leetcode.com/problems/max-sum-of-sub-matrix-no-larger-than-k/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/max-sum-of-sub-matrix-no-larger-than-k.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/max-sum-of-sub-matrix-no-larger-than-k.py
Valid Perfect Squarehttps://leetcode.com/problems/valid-perfect-square/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/valid-perfect-square.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/valid-perfect-square.py
Guess Number Higher or Lowerhttps://leetcode.com/problems/guess-number-higher-or-lower/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/guess-number-higher-or-lower.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/guess-number-higher-or-lower.py
Split Array Largest Sumhttps://leetcode.com/problems/split-array-largest-sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/split-array-largest-sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/split-array-largest-sum.py
https://github.com/xxtxx/LeetCode#binary-search-tree
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-15
Contains Duplicate IIIhttps://leetcode.com/problems/contains-duplicate-iii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/contains-duplicate-iii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/contains-duplicate-iii.py
Kth Smallest Element in a BSThttps://leetcode.com/problems/kth-smallest-element-in-a-bst/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/kth-smallest-element-in-a-bst.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/kth-smallest-element-in-a-bst.py
Lowest Common Ancestor of a Binary Search Treehttps://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/lowest-common-ancestor-of-a-binary-search-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/lowest-common-ancestor-of-a-binary-search-tree.py
Closest Binary Search Tree Valuehttps://leetcode.com/problems/closest-binary-search-tree-value/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/closest-binary-search-tree-value.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/closest-binary-search-tree-value.py
Inorder Successor in BSThttps://leetcode.com/problems/inorder-successor-in-bst/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/inorder-successor-in-bst.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/inorder-successor-in-bst.py
Data Stream as Disjoint Intervalshttps://leetcode.com/problems/data-stream-as-disjoint-intervals/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/data-stream-as-disjoint-intervals.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/data-stream-as-disjoint-intervals.py
https://github.com/xxtxx/LeetCode#breadth-first-search
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-16
Binary Tree Level Order Traversalhttps://leetcode.com/problems/binary-tree-level-order-traversal/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-level-order-traversal.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-level-order-traversal.py
Binary Tree Level Order Traversal IIhttps://leetcode.com/problems/binary-tree-level-order-traversal-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-level-order-traversal-ii.py
Binary Tree Zigzag Level Order Traversalhttps://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-zigzag-level-order-traversal.py
Populating Next Right Pointers in Each Node IIhttps://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/populating-next-right-pointers-in-each-node-ii.py
Word Ladderhttps://leetcode.com/problems/word-ladder/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-ladder.py
Surrounded Regionshttps://leetcode.com/problems/surrounded-regions/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/surrounded-regions.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/surrounded-regions.py
Clone Graphhttps://leetcode.com/problems/clone-graph/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/clone-graph.py
Course Schedulehttps://leetcode.com/problems/course-schedule/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/course-schedule.py
Course Schedule IIhttps://leetcode.com/problems/course-schedule-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/course-schedule-ii.py
Graph Valid Treehttps://leetcode.com/problems/graph-valid-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/graph-valid-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/graph-valid-tree.py
Alien Dictionaryhttps://leetcode.com/problems/alien-dictionary/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/alien-dictionary.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/alien-dictionary.py
Walls and Gateshttps://leetcode.com/problems/walls-and-gates/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/walls-and-gates.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/walls-and-gates.py
Minimum Height Treeshttps://leetcode.com/problems/minimum-height-trees/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/minimum-height-trees.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/minimum-height-trees.py
Shortest Distance from All Buildingshttps://leetcode.com/problems/shortest-distance-from-all-buildings/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/shortest-distance-from-all-buildings.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/shortest-distance-from-all-buildings.py
https://github.com/xxtxx/LeetCode#depth-first-search
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-17
Path Sumhttps://leetcode.com/problems/path-sum/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/path-sum.py
Path Sum IIhttps://leetcode.com/problems/path-sum-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/path-sum-ii.py
Binary Tree Right Side Viewhttps://leetcode.com/problems/binary-tree-right-side-view/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-right-side-view.py
Number of Islandshttps://leetcode.com/problems/number-of-islands/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/number-of-islands.py
Lowest Common Ancestor of a Binary Treehttps://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/lowest-common-ancestor-of-a-binary-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/lowest-common-ancestor-of-a-binary-tree.py
Strobogrammatic Number IIhttps://leetcode.com/problems/strobogrammatic-number-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/strobogrammatic-number-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/strobogrammatic-number-ii.py
Count Univalue Subtreeshttps://leetcode.com/problems/count-univalue-subtrees
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-univalue-subtrees.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-univalue-subtrees.py
Binary Tree Pathshttps://leetcode.com/problems/binary-tree-paths/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/binary-tree-paths.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/binary-tree-paths.py
Expression Add Operatorshttps://leetcode.com/problems/expression-add-operators/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/expression-add-operators.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/expression-add-operators.py
Remove Invalid Parentheseshttps://leetcode.com/problems/remove-invalid-parentheses/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-invalid-parentheses.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-invalid-parentheses.py
Longest Increasing Path in a Matrixhttps://leetcode.com/problems/longest-increasing-path-in-a-matrix/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/longest-increasing-path-in-a-matrix.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/longest-increasing-path-in-a-matrix.py
Reconstruct Itineraryhttps://leetcode.com/problems/reconstruct-itinerary/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/reconstruct-itinerary.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/reconstruct-itinerary.py
Nested List Weight Sumhttps://leetcode.com/problems/nested-list-weight-sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/nested-list-weight-sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/nested-list-weight-sum.py
Nested List Weight Sum IIhttps://leetcode.com/problems/nested-list-weight-sum-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/nested-list-weight-sum-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/nested-list-weight-sum-ii.py
Find Leaves of Binary Treehttps://leetcode.com/problems/find-leaves-of-binary-tree/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/find-leaves-of-binary-tree.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/find-leaves-of-binary-tree.py
Evaluate Divisionhttps://leetcode.com/problems/evaluate-division/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/evaluate-division.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/evaluate-division.py
Pacific Atlantic Water Flowhttps://leetcode.com/problems/pacific-atlantic-water-flow/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/pacific-atlantic-water-flow.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/pacific-atlantic-water-flow.py
https://github.com/xxtxx/LeetCode#backtracking
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-18
Letter Combinations of a Phone Numberhttps://leetcode.com/problems/letter-combinations-of-a-phone-number/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/letter-combinations-of-a-phone-number.py
Generate Parentheseshttps://leetcode.com/problems/generate-parentheses/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/generate-parentheses.py
Sudoku Solverhttps://leetcode.com/problems/sudoku-solver/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sudoku-solver.py
Combination Sumhttps://leetcode.com/problems/combination-sum/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/combination-sum.py
Combination Sum IIhttps://leetcode.com/problems/combination-sum-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/combination-sum-ii.py
Permutationshttps://leetcode.com/problems/permutations/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/permutations.py
Permutations IIhttps://leetcode.com/problems/permutations-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/permutations-ii.py
N-Queenshttps://leetcode.com/problems/n-queens/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/n-queens.py
N-Queens-IIhttps://leetcode.com/problems/n-queens-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/n-queens-ii.py
Combinationshttps://leetcode.com/problems/combinations/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/combinations.py
Word Searchhttps://leetcode.com/problems/word-search/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-search.py
Restore IP Addresseshttps://leetcode.com/problems/restore-ip-addresses/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/restore-ip-addresses.py
Subsetshttps://leetcode.com/problems/subsets/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/subsets.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/subsets.py
Subsets IIhttps://leetcode.com/problems/subsets-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/subsets-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/subsets-ii.py
Word Ladder IIhttps://leetcode.com/problems/word-ladder-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-ladder-ii.py
Palindrome Partitioninghttps://leetcode.com/problems/palindrome-partitioning/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-partitioning.py
Word Break IIhttps://leetcode.com/problems/word-break-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/word-break-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-break-ii.py
Word Search IIhttps://leetcode.com/problems/word-search-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/word-search-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-search-ii.py
Combination Sum IIIhttps://leetcode.com/problems/combination-sum-iii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/combination-sum-iii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/combination-sum-iii.py
Factor Combinationshttps://leetcode.com/problems/factor-combinations/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/factor-combinations.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/factor-combinations.py
Palindrome Permutation IIhttps://leetcode.com/problems/palindrome-permutation-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/palindrome-permutation-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-permutation-ii.py
Word Pattern IIhttps://leetcode.com/problems/word-pattern-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/word-pattern-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-pattern-ii.py
Flip Game IIhttps://leetcode.com/problems/flip-game-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/flip-game-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/flip-game-ii.py
Generalized Abbreviationhttps://leetcode.com/problems/generalized-abbreviation/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/generalized-abbreviation.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/generalized-abbreviation.py
https://github.com/xxtxx/LeetCode#dynamic-programming
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-19
Regular Expression Matchinghttps://leetcode.com/problems/regular-expression-matching/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/regular-expression-matching.py
Maximum Subarrayhttps://leetcode.com/problems/maximum-subarray/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximum-subarray.py
Unique Pathshttps://leetcode.com/problems/unique-paths/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/unique-paths.py
Unique Paths IIhttps://leetcode.com/problems/unique-paths-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/unique-paths-ii.py
Minimum Path Sumhttps://leetcode.com/problems/minimum-path-sum/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/minimum-path-sum.py
Climbing Stairshttps://leetcode.com/problems/climbing-stairs/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/climbing-stairs.py
Edit Distancehttps://leetcode.com/problems/edit-distance/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/edit-distance.py
Scramble Stringhttps://leetcode.com/problems/scramble-string/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/scramble-string.py
Decode Wayshttps://leetcode.com/problems/decode-ways/
C++https://github.com/xxtxx/LeetCode/blob/master/Python/decode-ways.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/decode-ways.py
Unique Binary Search Treeshttps://leetcode.com/problems/unique-binary-search-trees/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/unique-binary-search-trees.py
Interleaving Stringhttps://leetcode.com/problems/interleaving-string/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/interleaving-string.py
Distinct Subsequenceshttps://leetcode.com/problems/distinct-subsequences/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/distinct-subsequences.py
Trianglehttps://leetcode.com/problems/triangle/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/triangle.py
Best Time to Buy and Sell Stock IIIhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/best-time-to-buy-and-sell-stock-iii.py
Palindrome Partitioning IIhttps://leetcode.com/problems/palindrome-partitioning-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/palindrome-partitioning-ii.py
Word Breakhttps://leetcode.com/problems/word-break/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/word-break.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/word-break.py
Maximum Product Subarrayhttps://leetcode.com/problems/maximum-product-subarray/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximum-product-subarray.py
Dungeon Gamehttps://leetcode.com/problems/dungeon-game/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/dungeon-game.py
Best Time to Buy and Sell Stock IVhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/best-time-to-buy-and-sell-stock-iv.py
House Robberhttps://leetcode.com/problems/house-robber/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/house-robber.py
House Robber IIhttps://leetcode.com/problems/house-robber-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/house-robber-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/house-robber-ii.py
Maximal Squarehttps://leetcode.com/problems/maximal-square/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/maximal-square.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/maximal-square.py
Paint Househttps://leetcode.com/problems/paint-house/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/paint-house.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/paint-house.py
Paint House IIhttps://leetcode.com/problems/paint-house-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/paint-house-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/paint-house-ii.py
Paint Fencehttps://leetcode.com/problems/paint-fence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/paint-fence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/paint-fence.py
Perfect Squareshttps://leetcode.com/problems/perfect-squares/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/perfect-squares.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/perfect-squares.py
Range Sum Query - Immutablehttps://leetcode.com/problems/range-sum-query-immutable/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/range-sum-query-immutable.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/range-sum-query-immutable.py
Range Sum Query 2D - Immutablehttps://leetcode.com/problems/range-sum-query-2d-immutable/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/range-sum-query-2d-immutable.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/range-sum-query-2d-immutable.py
Best Time to Buy and Sell Stock with Cooldownhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/best-time-to-buy-and-sell-stock-with-cooldown.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/best-time-to-buy-and-sell-stock-with-cooldown.py
Burst Balloonshttps://leetcode.com/problems/burst-balloons/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/burst-balloons.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/burst-balloons.py
Coin Changehttps://leetcode.com/problems/coin-change/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/coin-change.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/coin-change.py
Android Unlock Patternshttps://leetcode.com/problems/android-unlock-patterns/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/android-unlock-patterns.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/android-unlock-patterns.py
Count Numbers with Unique Digitshttps://leetcode.com/problems/count-numbers-with-unique-digits/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/count-numbers-with-unique-digits.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/count-numbers-with-unique-digits.py
Bomb Enemyhttps://leetcode.com/problems/bomb-enemy/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/bomb-enemy.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/bomb-enemy.py
Largest Divisible Subsethttps://leetcode.com/problems/largest-divisible-subset/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/largest-divisible-subset.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/largest-divisible-subset.py
Guess Number Higher or Lower IIhttps://leetcode.com/problems/guess-number-higher-or-lower-ii/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/guess-number-higher-or-lower-ii.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/guess-number-higher-or-lower-ii.py
Combination Sum IVhttps://leetcode.com/problems/combination-sum-iv/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/combination-sum-iv.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/combination-sum-iv.py
Frog Jumphttps://leetcode.com/problems/frog-jump/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/frog-jump.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/frog-jump.py
Partition Equal Subset Sumhttps://leetcode.com/problems/partition-equal-subset-sum/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/partition-equal-subset-sum.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/partition-equal-subset-sum.py
Sentence Screen Fittinghttps://leetcode.com/problems/sentence-screen-fitting/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/sentence-screen-fitting.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/sentence-screen-fitting.py
https://github.com/xxtxx/LeetCode#greedy
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-20
Container With Most Waterhttps://leetcode.com/problems/container-with-most-water/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/container-with-most-water.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/container-with-most-water.py
Trapping Rain Waterhttps://leetcode.com/problems/trapping-rain-water/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/trapping-rain-water.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/trapping-rain-water.py
Wildcard Matchinghttps://leetcode.com/problems/wildcard-matching/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/wildcard-matching.py
Jump Game IIhttps://leetcode.com/problems/jump-game-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/jump-game-ii.py
Jump Gamehttps://leetcode.com/problems/jump-game/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/jump-game.py
Best Time to Buy and Sell Stock IIhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/best-time-to-buy-and-sell-stock-ii.py
Gas Stationhttps://leetcode.com/problems/gas-station/
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/gas-station.py
Candyhttps://leetcode.com/problems/candy/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/candy.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/candy.py
Remove Duplicate Lettershttps://leetcode.com/problems/remove-duplicate-letters/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-duplicate-letters.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-duplicate-letters.py
Create Maximum Numberhttps://leetcode.com/problems/create-maximum-number/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/create-maximum-number.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/create-maximum-number.py
Delete Digitshttp://www.lintcode.com/en/problem/delete-digits/
Patching Arrayhttps://leetcode.com/problems/patching-array/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/patching-array.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/patching-array.py
Wiggle Subsequencehttps://leetcode.com/problems/wiggle-subsequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/wiggle-subsequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/wiggle-subsequence.py
Is Subsequencehttps://leetcode.com/problems/is-subsequence/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/is-subsequence.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/is-subsequence.py
Integer Replacementhttps://leetcode.com/problems/integer-replacement/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/integer-replacement.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/integer-replacement.py
Remove K Digitshttps://leetcode.com/problems/remove-k-digits/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/remove-k-digits.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/remove-k-digits.py
https://github.com/xxtxx/LeetCode#design
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-21
Peeking Iteratorhttps://leetcode.com/problems/peeking-iterator/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/peeking-iterator.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/peeking-iterator.py
Design Tic-Tac-Toehttps://leetcode.com/problems/design-tic-tac-toe/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/design-tic-tac-toe.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/design-tic-tac-toe.py
Design Snake Gamehttps://leetcode.com/problems/design-snake-game/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/design-snake-game.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/design-snake-game.py
Design Twitterhttps://leetcode.com/problems/design-twitter/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/design-twitter.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/design-twitter.py
Logger Rate Limiterhttps://leetcode.com/problems/logger-rate-limiter/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/logger-rate-limiter.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/logger-rate-limiter.py
Design Hit Counterhttps://leetcode.com/problems/design-hit-counter/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/design-hit-counter.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/design-hit-counter.py
Design Phone Directoryhttps://leetcode.com/problems/design-phone-directory/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/design-phone-directory.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/design-phone-directory.py
Insert Delete GetRandom O(1)https://leetcode.com/problems/insert-delete-getrandom-o1/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/insert-delete-getrandom-o1.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/insert-delete-getrandom-o1.py
Insert Delete GetRandom O(1) - Duplicates allowedhttps://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed/
C++https://github.com/xxtxx/LeetCode/blob/master/C++/insert-delete-getrandom-o1-duplicates-allowed.cpp
Pythonhttps://github.com/xxtxx/LeetCode/blob/master/Python/insert-delete-getrandom-o1-duplicates-allowed.py
https://github.com/xxtxx/LeetCode#sql
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-22
Combine Two Tableshttps://leetcode.com/problems/combine-two-tables/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/combine-two-tables.sql
Second Highest Salaryhttps://leetcode.com/problems/second-highest-salary/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/second-highest-salary.sql
Nth Highest Salaryhttps://leetcode.com/problems/nth-highest-salary/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/nth-highest-salary.sql
Rank Scoreshttps://leetcode.com/problems/rank-scores/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/rank-scores.sql
Consecutive Numbershttps://leetcode.com/problems/consecutive-numbers/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/consecutive-numbers.sql
Employees Earning More Than Their Managershttps://leetcode.com/problems/employees-earning-more-than-their-managers/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/employees-earning-more-than-their-managers.sql
Duplicate Emailshttps://leetcode.com/problems/duplicate-emails/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/duplicate-emails.sql
Customers Who Never Orderhttps://leetcode.com/problems/customers-who-never-order/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/customers-who-never-order.sql
Department Highest Salaryhttps://leetcode.com/problems/department-highest-salary/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/department-highest-salary.sql
Department Top Three Salarieshttps://leetcode.com/problems/department-top-three-salaries/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/department-top-three-salaries.sql
Delete Duplicate Emailshttps://leetcode.com/problems/delete-duplicate-emails/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/delete-duplicate-emails.sql
Rising Temperaturehttps://leetcode.com/problems/rising-temperature/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/rising-temperature.sql
Trips and Usershttps://leetcode.com/problems/trips-and-users/
MySQLhttps://github.com/xxtxx/LeetCode/blob/master/MySQL/trips-and-users.sql
https://github.com/xxtxx/LeetCode#shell-script
https://github.com/xxtxx/LeetCode#-title-------------solution---------time------------space------------difficulty-----tag-----------note-23
Word Frequencyhttps://leetcode.com/problems/word-frequency/
Shellhttps://github.com/xxtxx/LeetCode/blob/master/Shell/word-frequency.sh
Valid Phone Numbershttps://leetcode.com/problems/valid-phone-numbers/
Shellhttps://github.com/xxtxx/LeetCode/blob/master/Shell/valid-phone-numbers.sh
Transpose Filehttps://leetcode.com/problems/transpose-file/
Shellhttps://github.com/xxtxx/LeetCode/blob/master/Shell/transpose-file.sh
Tenth Linehttps://leetcode.com/problems/tenth-line/
Shellhttps://github.com/xxtxx/LeetCode/blob/master/Shell/tenth-line.sh
Readme https://github.com/xxtxx/LeetCode#readme-ov-file
MIT license https://github.com/xxtxx/LeetCode#MIT-1-ov-file
Please reload this pagehttps://github.com/xxtxx/LeetCode
Activityhttps://github.com/xxtxx/LeetCode/activity
0 starshttps://github.com/xxtxx/LeetCode/stargazers
1 watchinghttps://github.com/xxtxx/LeetCode/watchers
0 forkshttps://github.com/xxtxx/LeetCode/forks
Report repository https://github.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2Fxxtxx%2FLeetCode&report=xxtxx+%28user%29
Releaseshttps://github.com/xxtxx/LeetCode/releases
Packages 0https://github.com/users/xxtxx/packages?repo_name=LeetCode
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

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