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Title: GitHub - DukasGuo/leetcode: (195/230) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script.

Open Graph Title: GitHub - DukasGuo/leetcode: (195/230) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script.

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Description: (195/230) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script. - DukasGuo/leetcode

Open Graph Description: (195/230) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script. - DukasGuo/leetcode

X Description: (195/230) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script. - DukasGuo/leetcode

Opengraph URL: https://github.com/DukasGuo/leetcode

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Leetcode Algorithms Problemshttps://leetcode.com/problemset/algorithms/
Leetcode Database Problemshttps://leetcode.com/problemset/database/
Leetcode Shell Problemshttps://leetcode.com/problemset/shell/
https://patch-diff.githubusercontent.com/DukasGuo/leetcode#problems
Two Sumhttps://leetcode.com/problems/Two-Sum/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/001.Two_Sum
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/001.Two_Sum
Add Two Numbershttps://leetcode.com/problems/Add-Two-Numbers/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/002.Add_Two_Numbers
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/002.Add_Two_Numbers
Longest Substring Without Repeati...https://leetcode.com/problems/Longest-Substring-Without-Repeating-Characters/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/003.Longest_Substring_Without_Repeati...
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/003.Longest_Substring_Without_Repeati...
Median of Two Sorted Arrayshttps://leetcode.com/problems/Median-of-Two-Sorted-Arrays/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/004.Median_of_Two_Sorted_Arrays
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/004.Median_of_Two_Sorted_Arrays
Longest Palindromic Substringhttps://leetcode.com/problems/Longest-Palindromic-Substring/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/005.Longest_Palindromic_Substring
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/005.Longest_Palindromic_Substring
ZigZag Conversionhttps://leetcode.com/problems/ZigZag-Conversion/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/006.ZigZag_Conversion
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/006.ZigZag_Conversion
Reverse Integerhttps://leetcode.com/problems/Reverse-Integer/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/007.Reverse_Integer
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/007.Reverse_Integer
String to Integerhttps://leetcode.com/problems/String-to-Integer/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/008.String_to_Integer
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/008.String_to_Integer
Palindrome Numberhttps://leetcode.com/problems/Palindrome-Number/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/009.Palindrome_Number
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/009.Palindrome_Number
Regular Expression Matchinghttps://leetcode.com/problems/Regular-Expression-Matching/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/010.Regular_Expression_Matching
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/010.Regular_Expression_Matching
Container With Most Waterhttps://leetcode.com/problems/Container-With-Most-Water/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/011.Container_With_Most_Water
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/011.Container_With_Most_Water
Integer to Romanhttps://leetcode.com/problems/Integer-to-Roman/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/012.Integer_to_Roman
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/012.Integer_to_Roman
Roman to Integerhttps://leetcode.com/problems/Roman-to-Integer/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/013.Roman_to_Integer
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/013.Roman_to_Integer
Longest Common Prefixhttps://leetcode.com/problems/Longest-Common-Prefix/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/014.Longest_Common_Prefix
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/014.Longest_Common_Prefix
3Sumhttps://leetcode.com/problems/3Sum/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/015.3Sum
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/015.3Sum
3Sum Closesthttps://leetcode.com/problems/3Sum-Closest/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/016.3Sum_Closest
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/016.3Sum_Closest
Letter Combinations of a Phone Numberhttps://leetcode.com/problems/Letter-Combinations-of-a-Phone-Number/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/017.Letter_Combinations_of_a_Phone_Number
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/017.Letter_Combinations_of_a_Phone_Number
4Sumhttps://leetcode.com/problems/4Sum/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/018.4Sum
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/018.4Sum
Remove Nth Node From End of Listhttps://leetcode.com/problems/Remove-Nth-Node-From-End-of-List/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/019.Remove_Nth_Node_From_End_of_List
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/019.Remove_Nth_Node_From_End_of_List
Valid Parentheseshttps://leetcode.com/problems/Valid-Parentheses/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/020.Valid_Parentheses
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/020.Valid_Parentheses
Merge Two Sorted Listshttps://leetcode.com/problems/Merge-Two-Sorted-Lists/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/021.Merge_Two_Sorted_Lists
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/021.Merge_Two_Sorted_Lists
Generate Parentheseshttps://leetcode.com/problems/Generate-Parentheses/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/022.Generate_Parentheses
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/022.Generate_Parentheses
Merge k Sorted Listshttps://leetcode.com/problems/Merge-k-Sorted-Lists/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/023.Merge_k_Sorted_Lists
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/023.Merge_k_Sorted_Lists
Swap Nodes in Pairshttps://leetcode.com/problems/Swap-Nodes-in-Pairs/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/024.Swap_Nodes_in_Pairs
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/024.Swap_Nodes_in_Pairs
Reverse Nodes in k-Grouphttps://leetcode.com/problems/Reverse-Nodes-in-k-Group/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/025.Reverse_Nodes_in_k-Group
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/025.Reverse_Nodes_in_k-Group
Remove Duplicates from Sorted Arrayhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-Array/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/026.Remove_Duplicates_from_Sorted_Array
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/026.Remove_Duplicates_from_Sorted_Array
Remove Elementhttps://leetcode.com/problems/Remove-Element/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/027.Remove_Element
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/027.Remove_Element
Implement strStr()https://leetcode.com/problems/Implement-strStr()/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/028.Implement_strStr()
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/028.Implement_strStr()
Divide Two Integershttps://leetcode.com/problems/Divide-Two-Integers/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/029.Divide_Two_Integers
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/029.Divide_Two_Integers
Substring with Concatenation of A...https://leetcode.com/problems/Substring-with-Concatenation-of-All-Words/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/030.Substring_with_Concatenation_of_A...
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/030.Substring_with_Concatenation_of_A...
Next Permutationhttps://leetcode.com/problems/Next-Permutation/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/031.Next_Permutation
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/031.Next_Permutation
Longest Valid Parentheseshttps://leetcode.com/problems/Longest-Valid-Parentheses/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/032.Longest_Valid_Parentheses
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/032.Longest_Valid_Parentheses
Search in Rotated Sorted Arrayhttps://leetcode.com/problems/Search-in-Rotated-Sorted-Array/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/033.Search_in_Rotated_Sorted_Array
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/033.Search_in_Rotated_Sorted_Array
Search for a Rangehttps://leetcode.com/problems/Search-for-a-Range/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/034.Search_for_a_Range
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/034.Search_for_a_Range
Search Insert Positionhttps://leetcode.com/problems/Search-Insert-Position/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/035.Search_Insert_Position
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/035.Search_Insert_Position
Valid Sudokuhttps://leetcode.com/problems/Valid-Sudoku/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/036.Valid_Sudoku
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/036.Valid_Sudoku
Sudoku Solverhttps://leetcode.com/problems/Sudoku-Solver/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/037.Sudoku_Solver
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/037.Sudoku_Solver
Count and Sayhttps://leetcode.com/problems/Count-and-Say/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/038.Count_and_Say
Combination Sumhttps://leetcode.com/problems/Combination-Sum/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/039.Combination_Sum
Combination Sum IIhttps://leetcode.com/problems/Combination-Sum-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/040.Combination_Sum_II
First Missing Positivehttps://leetcode.com/problems/First-Missing-Positive/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/041.First_Missing_Positive
Trapping Rain Waterhttps://leetcode.com/problems/Trapping-Rain-Water/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/042.Trapping_Rain_Water
Multiply Stringshttps://leetcode.com/problems/Multiply-Strings/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/043.Multiply_Strings
Wildcard Matchinghttps://leetcode.com/problems/Wildcard-Matching/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/044.Wildcard_Matching
Jump Game IIhttps://leetcode.com/problems/Jump-Game-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/045.Jump_Game_II
Permutationshttps://leetcode.com/problems/Permutations/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/046.Permutations
Permutations IIhttps://leetcode.com/problems/Permutations-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/047.Permutations_II
Rotate Imagehttps://leetcode.com/problems/Rotate-Image/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/048.Rotate_Image
Anagramshttps://leetcode.com/problems/Anagrams/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/049.Anagrams
Pow(x, n)https://leetcode.com/problems/Powx-nPow(x,-n)/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/050.Pow(x,_n)
N-Queenshttps://leetcode.com/problems/N-Queens/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/051.N-Queens
N-Queens IIhttps://leetcode.com/problems/N-Queens-II/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/052.N-Queens_II
Maximum Subarrayhttps://leetcode.com/problems/Maximum-Subarray/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/053.Maximum_Subarray
Spiral Matrixhttps://leetcode.com/problems/Spiral-Matrix/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/054.Spiral_Matrix
Jump Gamehttps://leetcode.com/problems/Jump-Game/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/055.Jump_Game
Merge Intervalshttps://leetcode.com/problems/Merge-Intervals/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/056.Merge_Intervals
Insert Intervalhttps://leetcode.com/problems/Insert-Interval/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/057.Insert_Interval
Length of Last Wordhttps://leetcode.com/problems/Length-of-Last-Word/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/058.Length_of_Last_Word
Spiral Matrix IIhttps://leetcode.com/problems/Spiral-Matrix-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/059.Spiral_Matrix_II
Permutation Sequencehttps://leetcode.com/problems/Permutation-Sequence/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/060.Permutation_Sequence
Rotate Listhttps://leetcode.com/problems/Rotate-List/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/061.Rotate_List
Unique Pathshttps://leetcode.com/problems/Unique-Paths/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/062.Unique_Paths
Unique Paths IIhttps://leetcode.com/problems/Unique-Paths-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/063.Unique_Paths_II
Minimum Path Sumhttps://leetcode.com/problems/Minimum-Path-Sum/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/064.Minimum_Path_Sum
Valid Numberhttps://leetcode.com/problems/Valid-Number/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/065.Valid_Number
Plus Onehttps://leetcode.com/problems/Plus-One/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/066.Plus_One
Add Binaryhttps://leetcode.com/problems/Add-Binary/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/067.Add_Binary
Text Justificationhttps://leetcode.com/problems/Text-Justification/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/068.Text_Justification
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/068.Text_Justification
Sqrt(x)https://leetcode.com/problems/Sqrtx
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/069.Sqrt(x)
Climbing Stairshttps://leetcode.com/problems/Climbing-Stairs/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/070.Climbing_Stairs
Simplify Pathhttps://leetcode.com/problems/Simplify-Path/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/071.Simplify_Path
Edit Distancehttps://leetcode.com/problems/Edit-Distance/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/072.Edit_Distance
Set Matrix Zeroeshttps://leetcode.com/problems/Set-Matrix-Zeroes/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/073.Set_Matrix_Zeroes
Search a 2D Matrixhttps://leetcode.com/problems/Search-a-2D-Matrix/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/074.Search_a_2D_Matrix
Sort Colorshttps://leetcode.com/problems/Sort-Colors/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/075.Sort_Colors
Minimum Window Substringhttps://leetcode.com/problems/Minimum-Window-Substring/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/076.Minimum_Window_Substring
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/076.Minimum_Window_Substring
Combinationshttps://leetcode.com/problems/Combinations/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/077.Combinations
Subsetshttps://leetcode.com/problems/Subsets/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/078.Subsets
Word Searchhttps://leetcode.com/problems/Word-Search/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/079.Word_Search
Remove Duplicates from Sorted Array IIhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-Array-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/080.Remove_Duplicates_from_Sorted_Array_II
Search in Rotated Sorted Array IIhttps://leetcode.com/problems/Search-in-Rotated-Sorted-Array-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/081.Search_in_Rotated_Sorted_Array_II
Remove Duplicates from Sorted List IIhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-List-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/082.Remove_Duplicates_from_Sorted_List_II
Remove Duplicates from Sorted Listhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-List/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/083.Remove_Duplicates_from_Sorted_List
Largest Rectangle in Histogramhttps://leetcode.com/problems/Largest-Rectangle-in-Histogram/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/084.Largest_Rectangle_in_Histogram
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/084.Largest_Rectangle_in_Histogram
Maximal Rectanglehttps://leetcode.com/problems/Maximal-Rectangle/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/085.Maximal_Rectangle
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/085.Maximal_Rectangle
Partition Listhttps://leetcode.com/problems/Partition-List/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/086.Partition_List
Scramble Stringhttps://leetcode.com/problems/Scramble-String/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/087.Scramble_String
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/087.Scramble_String
Merge Sorted Arrayhttps://leetcode.com/problems/Merge-Sorted-Array/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/088.Merge_Sorted_Array
Gray Codehttps://leetcode.com/problems/Gray-Code/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/089.Gray_Code
Subsets IIhttps://leetcode.com/problems/Subsets-II/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/090.Subsets_II
Decode Wayshttps://leetcode.com/problems/Decode-Ways/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/091.Decode_Ways
Reverse Linked List IIhttps://leetcode.com/problems/Reverse-Linked-List-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/092.Reverse_Linked_List_II
Restore IP Addresseshttps://leetcode.com/problems/Restore-IP-Addresses/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/093.Restore_IP_Addresses
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/093.Restore_IP_Addresses
Binary Tree Inorder Traversalhttps://leetcode.com/problems/Binary-Tree-Inorder-Traversal/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/094.Binary_Tree_Inorder_Traversal
Unique Binary Search Treeshttps://leetcode.com/problems/Unique-Binary-Search-Trees/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/095.Unique_Binary_Search_Trees
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/095.Unique_Binary_Search_Trees
Unique Binary Search Trees IIhttps://leetcode.com/problems/Unique-Binary-Search-Trees-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/096.Unique_Binary_Search_Trees_II
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/096.Unique_Binary_Search_Trees_II
Interleaving Stringhttps://leetcode.com/problems/Interleaving-String/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/097.Interleaving_String
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/097.Interleaving_String
Validate Binary Search Treehttps://leetcode.com/problems/Validate-Binary-Search-Tree/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/098.Validate_Binary_Search_Tree
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/098.Validate_Binary_Search_Tree
Recover Binary Search Treehttps://leetcode.com/problems/Recover-Binary-Search-Tree/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/099.Recover_Binary_Search_Tree
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/099.Recover_Binary_Search_Tree
Same Treehttps://leetcode.com/problems/Same-Tree/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/100.Same_Tree
Symmetric Treehttps://leetcode.com/problems/Symmetric-Tree/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/101.Symmetric_Tree
Binary Tree Level Order Traversalhttps://leetcode.com/problems/Binary-Tree-Level-Order-Traversal/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/102.Binary_Tree_Level_Order_Traversal
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/102.Binary_Tree_Level_Order_Traversal
Binary Tree Zigzag Level Order Traversalhttps://leetcode.com/problems/Binary-Tree-Zigzag-Level-Order-Traversal/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/103.Binary_Tree_Zigzag_Level_Order_Traversal
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/103.Binary_Tree_Zigzag_Level_Order_Traversal
Maximum Depth of Binary Treehttps://leetcode.com/problems/Maximum-Depth-of-Binary-Tree/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/104.Maximum_Depth_of_Binary_Tree
Construct Binary Tree from Preord...https://leetcode.com/problems/Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/105.Construct_Binary_Tree_from_Preord...
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/105.Construct_Binary_Tree_from_Preord...
Construct Binary Tree from Inorde...https://leetcode.com/problems/Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/106.Construct_Binary_Tree_from_Inorde...
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/106.Construct_Binary_Tree_from_Inorde...
Binary Tree Level Order Traversal IIhttps://leetcode.com/problems/Binary-Tree-Level-Order-Traversal-II/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/107.Binary_Tree_Level_Order_Traversal_II
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/107.Binary_Tree_Level_Order_Traversal_II
Convert Sorted Array to Binary Se...https://leetcode.com/problems/Convert-Sorted-Array-to-Binary-Search-Tree/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/108.Convert_Sorted_Array_to_Binary_Se...
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/108.Convert_Sorted_Array_to_Binary_Se...
Convert Sorted List to Binary Sea...https://leetcode.com/problems/Convert-Sorted-List-to-Binary-Search-Tree/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/109.Convert_Sorted_List_to_Binary_Sea...
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/109.Convert_Sorted_List_to_Binary_Sea...
Balanced Binary Treehttps://leetcode.com/problems/Balanced-Binary-Tree/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/110.Balanced_Binary_Tree
Minimum Depth of Binary Treehttps://leetcode.com/problems/Minimum-Depth-of-Binary-Tree/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/111.Minimum_Depth_of_Binary_Tree
Path Sumhttps://leetcode.com/problems/Path-Sum/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/112.Path_Sum
Path Sum IIhttps://leetcode.com/problems/Path-Sum-II/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/113.Path_Sum_II
Flatten Binary Tree to Linked Listhttps://leetcode.com/problems/Flatten-Binary-Tree-to-Linked-List/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/114.Flatten_Binary_Tree_to_Linked_List
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/114.Flatten_Binary_Tree_to_Linked_List
Distinct Subsequenceshttps://leetcode.com/problems/Distinct-Subsequences/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/115.Distinct_Subsequences
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/115.Distinct_Subsequences
Populating Next Right Pointers in...https://leetcode.com/problems/Populating-Next-Right-Pointers-in-Each-Node/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/116.Populating_Next_Right_Pointers_in...
Populating Next Right Pointers in...https://leetcode.com/problems/Populating-Next-Right-Pointers-in-Each-Node-II/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/117.Populating_Next_Right_Pointers_in...
Pascals Trianglehttps://leetcode.com/problems/Pascals-Triangle/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/118.Pascals_Triangle
Pascal's Triangle IIhttps://leetcode.com/problems/Pascal's-Triangle-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/119.Pascal's_Triangle_II
Trianglehttps://leetcode.com/problems/Triangle/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/120.Triangle
Best Time to Buy and Sell Stockhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/121.Best_Time_to_Buy_and_Sell_Stock
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/121.Best_Time_to_Buy_and_Sell_Stock
Best Time to Buy and Sell Stock IIhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock-II/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/122.Best_Time_to_Buy_and_Sell_Stock_II
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/122.Best_Time_to_Buy_and_Sell_Stock_II
Best Time to Buy and Sell Stock IIIhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock-III/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/123.Best_Time_to_Buy_and_Sell_Stock_III
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/123.Best_Time_to_Buy_and_Sell_Stock_III
Binary Tree Maximum Path Sumhttps://leetcode.com/problems/Binary-Tree-Maximum-Path-Sum/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/124.Binary_Tree_Maximum_Path_Sum
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/124.Binary_Tree_Maximum_Path_Sum
Valid Palindromehttps://leetcode.com/problems/Valid-Palindrome/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/125.Valid_Palindrome
Word Ladderhttps://leetcode.com/problems/Word-Ladder/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/126.Word_Ladder
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/126.Word_Ladder
Word Ladder IIhttps://leetcode.com/problems/Word-Ladder-II/
Longest Consecutive Sequencehttps://leetcode.com/problems/Longest-Consecutive-Sequence/
Sum Root to Leaf Numbershttps://leetcode.com/problems/Sum-Root-to-Leaf-Numbers/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/129.Sum_Root_to_Leaf_Numbers
Surrounded Regionshttps://leetcode.com/problems/Surrounded-Regions/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/130.Surrounded_Regions
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/130.Surrounded_Regions
Palindrome Partitioninghttps://leetcode.com/problems/Palindrome-Partitioning/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/131.Palindrome_Partitioning
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/131.Palindrome_Partitioning
Palindrome Partitioning IIhttps://leetcode.com/problems/Palindrome-Partitioning-II/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/132.Palindrome_Partitioning_II
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/132.Palindrome_Partitioning_II
Clone Graphhttps://leetcode.com/problems/Clone-Graph/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/133.Clone_Graph
Gas Stationhttps://leetcode.com/problems/Gas-Station/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/134.Gas_Station
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/134.Gas_Station
Candyhttps://leetcode.com/problems/Candy/
Single Numberhttps://leetcode.com/problems/Single-Number/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/136.Single_Number
Single Number IIhttps://leetcode.com/problems/Single-Number-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/137.Single_Number_II
Copy List with Random Pointerhttps://leetcode.com/problems/Copy-List-with-Random-Pointer/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/138.Copy_List_with_Random_Pointer
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/138.Copy_List_with_Random_Pointer
Word Breakhttps://leetcode.com/problems/Word-Break/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/139.Word_Break
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/139.Word_Break
Word Break IIhttps://leetcode.com/problems/Word-Break-II/
Linked List Cyclehttps://leetcode.com/problems/Linked-List-Cycle/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/141.Linked_List_Cycle
Linked List Cycle IIhttps://leetcode.com/problems/Linked-List-Cycle-II/
Reorder Listhttps://leetcode.com/problems/Reorder-List/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/143.Reorder_List
Binary Tree Preorder Traversalhttps://leetcode.com/problems/Binary-Tree-Preorder-Traversal/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/144.Binary_Tree_Preorder_Traversal
Binary Tree Postorder Traversalhttps://leetcode.com/problems/Binary-Tree-Postorder-Traversal/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/145.Binary_Tree_Postorder_Traversal
LRU Cachehttps://leetcode.com/problems/LRU-Cache/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/146.LRU_Cache
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/146.LRU_Cache
Insertion Sort Listhttps://leetcode.com/problems/Insertion-Sort-List/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/147.Insertion_Sort_List
Sort Listhttps://leetcode.com/problems/Sort-List/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/148.Sort_List
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/148.Sort_List
Max Points on a Linehttps://leetcode.com/problems/Max-Points-on-a-Line/
Evaluate Reverse Polish Notationhttps://leetcode.com/problems/Evaluate-Reverse-Polish-Notation/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/150.Evaluate_Reverse_Polish_Notation
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/150.Evaluate_Reverse_Polish_Notation
Reverse Words in a Stringhttps://leetcode.com/problems/Reverse-Words-in-a-String/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/151.Reverse_Words_in_a_String
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/151.Reverse_Words_in_a_String
Maximum Product Subarrayhttps://leetcode.com/problems/Maximum-Product-Subarray/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/152.Maximum_Product_Subarray
Find Minimum in Rotated Sorted Arrayhttps://leetcode.com/problems/Find-Minimum-in-Rotated-Sorted-Array/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/153.Find_Minimum_in_Rotated_Sorted_Array
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/153.Find_Minimum_in_Rotated_Sorted_Array
Find Minimum in Rotated Sorted Array IIhttps://leetcode.com/problems/Find-Minimum-in-Rotated-Sorted-Array-II/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/154.Find_Minimum_in_Rotated_Sorted_Array_II
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/154.Find_Minimum_in_Rotated_Sorted_Array_II
Min Stackhttps://leetcode.com/problems/Min-Stack/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/155.Min_Stack
Binary Tree Upside Down $https://leetcode.com/problems/Binary-Tree-Upside-Down/
Read N Characters Given Read4 $https://leetcode.com/problems/Read-N-Characters-Given-Read4/
Read N Characters Given Read4 II ... $https://leetcode.com/problems/Read-N-Characters-Given-Read4-II---Call-multiple-times/
Longest Substring with At Most Tw... $https://leetcode.com/problems/Longest-Substring-with-At-Most-Two-Distinct-Characters/
Intersection of Two Linked Listshttps://leetcode.com/problems/Intersection-of-Two-Linked-Lists/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/160.Intersection_of_Two_Linked_Lists
One Edit Distance $https://leetcode.com/problems/One-Edit-Distance/
Find Peak Elementhttps://leetcode.com/problems/Find-Peak-Element/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/162.Find_Peak_Element
Missing Ranges $https://leetcode.com/problems/Missing-Ranges/
Maximum Gaphttps://leetcode.com/problems/Maximum-Gap/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/164.Maximum_Gap
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/164.Maximum_Gap
Compare Version Numbershttps://leetcode.com/problems/Compare-Version-Numbers/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/165.Compare_Version_Numbers
Fraction to Recurring Decimalhttps://leetcode.com/problems/Fraction-to-Recurring-Decimal/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/166.Fraction_to_Recurring_Decimal
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/166.Fraction_to_Recurring_Decimal
Two Sum II - Input array is sorted $https://leetcode.com/problems/Two-Sum-II---Input-array-is-sorted/
Excel Sheet Column Titlehttps://leetcode.com/problems/Excel-Sheet-Column-Title/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/168.Excel_Sheet_Column_Title
Majority Elementhttps://leetcode.com/problems/Majority-Element/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/169.Majority_Element
Two Sum III - Data structure design $https://leetcode.com/problems/Two-Sum-III---Data-structure-design/
Excel Sheet Column Numberhttps://leetcode.com/problems/Excel-Sheet-Column-Number/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/171.Excel_Sheet_Column_Number
Factorial Trailing Zeroeshttps://leetcode.com/problems/Factorial-Trailing-Zeroes/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/172.Factorial_Trailing_Zeroes
Binary Search Tree Iteratorhttps://leetcode.com/problems/Binary-Search-Tree-Iterator/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/173.Binary_Search_Tree_Iterator
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/173.Binary_Search_Tree_Iterator
Dungeon Gamehttps://leetcode.com/problems/Dungeon-Game/
Combine Two Tableshttps://leetcode.com/problems/Combine-Two-Tables/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/175.Combine_Two_Tables
Second Highest Salaryhttps://leetcode.com/problems/Second-Highest-Salary/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/176.Second_Highest_Salary
Nth Highest Salaryhttps://leetcode.com/problems/Nth-Highest-Salary/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/177.Nth_Highest_Salary
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/177.Nth_Highest_Salary
Rank Scoreshttps://leetcode.com/problems/Rank-Scores/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/178.Rank_Scores
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/178.Rank_Scores
Largest Numberhttps://leetcode.com/problems/Largest-Number/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/179.Largest_Number
Consecutive Numbershttps://leetcode.com/problems/Consecutive-Numbers/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/180.Consecutive_Numbers
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/180.Consecutive_Numbers
Employees Earning More Than Their...https://leetcode.com/problems/Employees-Earning-More-Than-Their-Managers/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/181.Employees_Earning_More_Than_Their...
Duplicate Emailshttps://leetcode.com/problems/Duplicate-Emails/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/182.Duplicate_Emails
Customers Who Never Orderhttps://leetcode.com/problems/Customers-Who-Never-Order/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/183.Customers_Who_Never_Order
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/183.Customers_Who_Never_Order
Department Highest Salaryhttps://leetcode.com/problems/Department-Highest-Salary/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/184.Department_Highest_Salary
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/184.Department_Highest_Salary
Department Top Three Salarieshttps://leetcode.com/problems/Department-Top-Three-Salaries/
Reverse Words in a String II $https://leetcode.com/problems/Reverse-Words-in-a-String-II/
Repeated DNA Sequenceshttps://leetcode.com/problems/Repeated-DNA-Sequences/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/187.Repeated_DNA_Sequences
Best Time to Buy and Sell Stock IVhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock-IV/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/188.Best_Time_to_Buy_and_Sell_Stock_IV
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/188.Best_Time_to_Buy_and_Sell_Stock_IV
Rotate Arrayhttps://leetcode.com/problems/Rotate-Array/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/189.Rotate_Array
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/189.Rotate_Array
Reverse Bitshttps://leetcode.com/problems/Reverse-Bits/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/190.Reverse_Bits
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/190.Reverse_Bits
Number of 1 Bitshttps://leetcode.com/problems/Number-of-1-Bits/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/191.Number_of_1_Bits
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/191.Number_of_1_Bits
Word Frequencyhttps://leetcode.com/problems/Word-Frequency/
Shell Scripthttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/192.Word_Frequency
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/192.Word_Frequency
Valid Phone Numbershttps://leetcode.com/problems/Valid-Phone-Numbers/
Shell Scripthttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/193.Valid_Phone_Numbers
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/193.Valid_Phone_Numbers
Transpose Filehttps://leetcode.com/problems/Transpose-File/
Shell Scripthttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/194.Transpose_File
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/194.Transpose_File
Tenth Linehttps://leetcode.com/problems/Tenth-Line/
Shell Scripthttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/195.Tenth_Line
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/195.Tenth_Line
Delete Duplicate Emailshttps://leetcode.com/problems/Delete-Duplicate-Emails/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/196.Delete_Duplicate_Emails
Rising Temperaturehttps://leetcode.com/problems/Rising-Temperature/
SQLhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/197.Rising_Temperature
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/197.Rising_Temperature
House Robberhttps://leetcode.com/problems/House-Robber/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/198.House_Robber
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/198.House_Robber
Binary Tree Right Side Viewhttps://leetcode.com/problems/Binary-Tree-Right-Side-View/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/199.Binary_Tree_Right_Side_View
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/199.Binary_Tree_Right_Side_View
Number of Islandshttps://leetcode.com/problems/Number-of-Islands/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/200.Number_of_Islands
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/200.Number_of_Islands
Bitwise AND of Numbers Rangehttps://leetcode.com/problems/Bitwise-AND-of-Numbers-Range/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/201.Bitwise_AND_of_Numbers_Range
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/201.Bitwise_AND_of_Numbers_Range
Happy Numberhttps://leetcode.com/problems/Happy-Number/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/202.Happy_Number
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/202.Happy_Number
Remove Linked List Elementshttps://leetcode.com/problems/Remove-Linked-List-Elements/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/203.Remove_Linked_List_Elements
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/203.Remove_Linked_List_Elements
Count Primeshttps://leetcode.com/problems/Count-Primes/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/204.Count_Primes
Isomorphic Stringshttps://leetcode.com/problems/Isomorphic-Strings/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/205.Isomorphic_Strings
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/205.Isomorphic_Strings
Reverse Linked Listhttps://leetcode.com/problems/Reverse-Linked-List/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/206.Reverse_Linked_List
Course Schedulehttps://leetcode.com/problems/Course-Schedule/
Implement Trie (Prefix Tree)https://leetcode.com/problems/Implement-Trie-(Prefix-Tree)/
Minimum Size Subarray Sumhttps://leetcode.com/problems/Minimum-Size-Subarray-Sum/
Course Schedule IIhttps://leetcode.com/problems/Course-Schedule-II/
Add and Search Word - Data struct...https://leetcode.com/problems/Add-and-Search-Word---Data-structure-design/
Word Search IIhttps://leetcode.com/problems/Word-Search-II/
House Robber IIhttps://leetcode.com/problems/House-Robber-II/
Shortest Palindromehttps://leetcode.com/problems/Shortest-Palindrome/
Kth Largest Element in an Arrayhttps://leetcode.com/problems/Kth-Largest-Element-in-an-Array/
Combination Sum IIIhttps://leetcode.com/problems/Combination-Sum-III/
Contains Duplicatehttps://leetcode.com/problems/Contains-Duplicate/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/217.Contains_Duplicate
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/217.Contains_Duplicate
The Skyline Problemhttps://leetcode.com/problems/The-Skyline-Problem/
Contains Duplicate IIhttps://leetcode.com/problems/Contains-Duplicate-II/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/219.Contains_Duplicate_II
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/219.Contains_Duplicate_II
Contains Duplicate IIIhttps://leetcode.com/problems/Contains-Duplicate-III/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/220.Contains_Duplicate_III
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/220.Contains_Duplicate_III
Maximal Squarehttps://leetcode.com/problems/Maximal-Square/
Count Complete Tree Nodeshttps://leetcode.com/problems/Count-Complete-Tree-Nodes/
Rectangle Areahttps://leetcode.com/problems/Rectangle-Area/
C++https://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/223.Rectangle_Area
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/223.Rectangle_Area
Basic Calculatorhttps://leetcode.com/problems/Basic-Calculator/
Implement Stack using Queueshttps://leetcode.com/problems/Implement-Stack-using-Queues/
C++ Javahttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/225.Implement_Stack_using_Queues
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/225.Implement_Stack_using_Queues
Invert Binary Treehttps://leetcode.com/problems/Invert-Binary-Tree/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/226.Invert_Binary_Tree
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/226.Invert_Binary_Tree
Basic Calculator IIhttps://leetcode.com/problems/Basic-Calculator-II/
Summary Rangeshttps://leetcode.com/problems/Summary-Ranges/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/228.Summary_Ranges
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/228.Summary_Ranges
Majority Element IIhttps://leetcode.com/problems/Majority-Element-II/
Kth Smallest Element in a BSThttps://leetcode.com/problems/Kth-Smallest-Element-in-a-BST/
Power of Twohttps://leetcode.com/problems/Power-of-Two/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/231.Power_of_Two
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/231.Power_of_Two
Implement Queue using Stackshttps://leetcode.com/problems/Implement-Queue-using-Stacks/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/232.Implement_Queue_using_Stacks
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/232.Implement_Queue_using_Stacks
Number of Digit Onehttps://leetcode.com/problems/Number-of-Digit-One/
Palindrome Linked Listhttps://leetcode.com/problems/Palindrome-Linked-List/
C++ Java Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/234.Palindrome_Linked_List
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/234.Palindrome_Linked_List
Lowest Common Ancestor of a Binar...https://leetcode.com/problems/Lowest-Common-Ancestor-of-a-Binary-Search-Tree/
Lowest Common Ancestor of a Binary Treehttps://leetcode.com/problems/Lowest-Common-Ancestor-of-a-Binary-Tree/
Delete Node in a Linked Listhttps://leetcode.com/problems/Delete-Node-in-a-Linked-List/
C++ Pythonhttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/237.Delete_Node_in_a_Linked_List
Note Herehttps://patch-diff.githubusercontent.com/DukasGuo/leetcode/blob/master/solutions/237.Delete_Node_in_a_Linked_List
Product of Array Except Selfhttps://leetcode.com/problems/Product-of-Array-Except-Self/
Sliding Window Maximumhttps://leetcode.com/problems/Sliding-Window-Maximum/
Search a 2D Matrix IIhttps://leetcode.com/problems/Search-a-2D-Matrix-II/
Different Ways to Add Parentheseshttps://leetcode.com/problems/Different-Ways-to-Add-Parentheses/
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