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Title: GitHub - Lz4Code/leetcode_ruby: Solutions to all LeetCode problems: Algorithms/Ruby, Database/MySQL, Shell/Bash

Open Graph Title: GitHub - Lz4Code/leetcode_ruby: Solutions to all LeetCode problems: Algorithms/Ruby, Database/MySQL, Shell/Bash

X Title: GitHub - Lz4Code/leetcode_ruby: Solutions to all LeetCode problems: Algorithms/Ruby, Database/MySQL, Shell/Bash

Description: Solutions to all LeetCode problems: Algorithms/Ruby, Database/MySQL, Shell/Bash - Lz4Code/leetcode_ruby

Open Graph Description: Solutions to all LeetCode problems: Algorithms/Ruby, Database/MySQL, Shell/Bash - Lz4Code/leetcode_ruby

X Description: Solutions to all LeetCode problems: Algorithms/Ruby, Database/MySQL, Shell/Bash - Lz4Code/leetcode_ruby

Opengraph URL: https://github.com/Lz4Code/leetcode_ruby

X: @github

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https://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby#leetcode
Beautiful Arrangementhttps://leetcode.com/problems/beautiful-arrangement
Contiguous Arrayhttps://leetcode.com/problems/contiguous-array
Detect Capitalhttps://leetcode.com/problems/detect-capital
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/detect_capital.rb
Super Washing Machineshttps://leetcode.com/problems/super-washing-machines
Longest Palindromic Subsequencehttps://leetcode.com/problems/longest-palindromic-subsequence
Find Largest Value in Each Tree Rowhttps://leetcode.com/problems/find-largest-value-in-each-tree-row
Find Bottom Left Tree Valuehttps://leetcode.com/problems/find-bottom-left-tree-value
Most Frequent Subtree Sumhttps://leetcode.com/problems/most-frequent-subtree-sum
Relative Rankshttps://leetcode.com/problems/relative-ranks
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/relative_ranks.rb
The Maze IIhttps://leetcode.com/problems/the-maze-ii
Base 7https://leetcode.com/problems/base-7
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/base_7.rb
Next Greater Element IIhttps://leetcode.com/problems/next-greater-element-ii
IPOhttps://leetcode.com/problems/ipo
Find Mode in Binary Search Treehttps://leetcode.com/problems/find-mode-in-binary-search-tree
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_mode_in_binary_search_tree.rb
Keyboard Rowhttps://leetcode.com/problems/keyboard-row
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/keyboard_row.rb
The Maze IIIhttps://leetcode.com/problems/the-maze-iii
Diagonal Traversehttps://leetcode.com/problems/diagonal-traverse
Next Greater Element Ihttps://leetcode.com/problems/next-greater-element-i
Teemo Attackinghttps://leetcode.com/problems/teemo-attacking
Target Sumhttps://leetcode.com/problems/target-sum
Reverse Pairshttps://leetcode.com/problems/reverse-pairs
Construct the Rectanglehttps://leetcode.com/problems/construct-the-rectangle
Increasing Subsequenceshttps://leetcode.com/problems/increasing-subsequences
The Mazehttps://leetcode.com/problems/the-maze
Zuma Gamehttps://leetcode.com/problems/zuma-game
Max Consecutive Ones IIhttps://leetcode.com/problems/max-consecutive-ones-ii
Predict the Winnerhttps://leetcode.com/problems/predict-the-winner
Max Consecutive Oneshttps://leetcode.com/problems/max-consecutive-ones
Find Permutationhttps://leetcode.com/problems/find-permutation
Smallest Good Basehttps://leetcode.com/problems/smallest-good-base
License Key Formattinghttps://leetcode.com/problems/license-key-formatting
Magical Stringhttps://leetcode.com/problems/magical-string
Sliding Window Medianhttps://leetcode.com/problems/sliding-window-median
Total Hamming Distancehttps://leetcode.com/problems/total-hamming-distance
Number Complementhttps://leetcode.com/problems/number-complement
Heatershttps://leetcode.com/problems/heaters
Ones and Zeroeshttps://leetcode.com/problems/ones-and-zeroes
Matchsticks to Squarehttps://leetcode.com/problems/matchsticks-to-square
Concatenated Wordshttps://leetcode.com/problems/concatenated-words
Encode String with Shortest Lengthhttps://leetcode.com/problems/encode-string-with-shortest-length
Convex Polygonhttps://leetcode.com/problems/convex-polygon
Validate IP Addresshttps://leetcode.com/problems/validate-ip-address
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/validate_ip_address.rb
Unique Substrings in Wraparound Stringhttps://leetcode.com/problems/unique-substrings-in-wraparound-string
Count The Repetitionshttps://leetcode.com/problems/count-the-repetitions
Optimal Account Balancinghttps://leetcode.com/problems/optimal-account-balancing
Can I Winhttps://leetcode.com/problems/can-i-win
Island Perimeterhttps://leetcode.com/problems/island-perimeter
Minimum Moves to Equal Array Elements IIhttps://leetcode.com/problems/minimum-moves-to-equal-array-elements-ii
Hamming Distancehttps://leetcode.com/problems/hamming-distance
LFU Cachehttps://leetcode.com/problems/lfu-cache
Repeated Substring Patternhttps://leetcode.com/problems/repeated-substring-pattern
132 Patternhttps://leetcode.com/problems/132-pattern
Assign Cookieshttps://leetcode.com/problems/assign-cookies
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/assign_cookies.rb
4Sum IIhttps://leetcode.com/problems/4sum-ii
Minimum Moves to Equal Array Elementshttps://leetcode.com/problems/minimum-moves-to-equal-array-elements
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/minimum_moves_to_equal_array_elements.rb
Minimum Number of Arrows to Burst Balloonshttps://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
Sort Characters By Frequencyhttps://leetcode.com/problems/sort-characters-by-frequency
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sort_characters_by_frequency.rb
Delete Node in a BSThttps://leetcode.com/problems/delete-node-in-a-bst
Serialize and Deserialize BSThttps://leetcode.com/problems/serialize-and-deserialize-bst
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/serialize_and_deserialize_bst.rb
Find All Numbers Disappeared in an Arrayhttps://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_all_numbers_disappeared_in_an_array.rb
Number of Boomerangshttps://leetcode.com/problems/number-of-boomerangs
Arithmetic Slices II - Subsequencehttps://leetcode.com/problems/arithmetic-slices-ii-subsequence
Add Two Numbers IIhttps://leetcode.com/problems/add-two-numbers-ii
Sequence Reconstructionhttps://leetcode.com/problems/sequence-reconstruction
Find All Duplicates in an Arrayhttps://leetcode.com/problems/find-all-duplicates-in-an-array
Arranging Coinshttps://leetcode.com/problems/arranging-coins
K-th Smallest in Lexicographical Orderhttps://leetcode.com/problems/k-th-smallest-in-lexicographical-order
Ternary Expression Parserhttps://leetcode.com/problems/ternary-expression-parser
Find All Anagrams in a Stringhttps://leetcode.com/problems/find-all-anagrams-in-a-string
Path Sum IIIhttps://leetcode.com/problems/path-sum-iii
Find Right Intervalhttps://leetcode.com/problems/find-right-interval
Non-overlapping Intervalshttps://leetcode.com/problems/non-overlapping-intervals
Number of Segments in a Stringhttps://leetcode.com/problems/number-of-segments-in-a-string
All O(1) Data Structurehttps://leetcode.com/problems/all-oone-data-structure
Word Squareshttps://leetcode.com/problems/word-squares
Longest Repeating Character Replacementhttps://leetcode.com/problems/longest-repeating-character-replacement
Reconstruct Original Digits from Englishhttps://leetcode.com/problems/reconstruct-original-digits-from-english
Valid Word Squarehttps://leetcode.com/problems/valid-word-square
Maximum XOR of Two Numbers in an Arrayhttps://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
Strong Password Checkerhttps://leetcode.com/problems/strong-password-checker
Battleships in a Boardhttps://leetcode.com/problems/battleships-in-a-board
Sentence Screen Fittinghttps://leetcode.com/problems/sentence-screen-fitting
Pacific Atlantic Water Flowhttps://leetcode.com/problems/pacific-atlantic-water-flow
Partition Equal Subset Sumhttps://leetcode.com/problems/partition-equal-subset-sum
Add Stringshttps://leetcode.com/problems/add-strings
Third Maximum Numberhttps://leetcode.com/problems/third-maximum-number
Arithmetic Sliceshttps://leetcode.com/problems/arithmetic-slices
Fizz Buzzhttps://leetcode.com/problems/fizz-buzz
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/fizz_buzz.rb
Minimum Unique Word Abbreviationhttps://leetcode.com/problems/minimum-unique-word-abbreviation
Split Array Largest Sumhttps://leetcode.com/problems/split-array-largest-sum
Longest Palindromehttps://leetcode.com/problems/longest-palindrome
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_palindrome.rb
Valid Word Abbreviationhttps://leetcode.com/problems/valid-word-abbreviation
Trapping Rain Water IIhttps://leetcode.com/problems/trapping-rain-water-ii
Queue Reconstruction by Heighthttps://leetcode.com/problems/queue-reconstruction-by-height
Convert a Number to Hexadecimalhttps://leetcode.com/problems/convert-a-number-to-hexadecimal
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/convert_a_number_to_hexadecimal.rb
Sum of Left Leaveshttps://leetcode.com/problems/sum-of-left-leaves
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sum_of_left_leaves.rb
Frog Jumphttps://leetcode.com/problems/frog-jump
Remove K Digitshttps://leetcode.com/problems/remove-k-digits
Binary Watchhttps://leetcode.com/problems/binary-watch
Nth Digithttps://leetcode.com/problems/nth-digit
Evaluate Divisionhttps://leetcode.com/problems/evaluate-division
Random Pick Indexhttps://leetcode.com/problems/random-pick-index
Integer Replacementhttps://leetcode.com/problems/integer-replacement
Rotate Functionhttps://leetcode.com/problems/rotate-function
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/rotate_function.rb
Longest Substring with At Least K Repeating Charactershttps://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
Decode Stringhttps://leetcode.com/problems/decode-string
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/decode_string.rb
UTF-8 Validationhttps://leetcode.com/problems/utf-8-validation
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/utf_8_validation.rb
Is Subsequencehttps://leetcode.com/problems/is-subsequence
Perfect Rectanglehttps://leetcode.com/problems/perfect-rectangle
Elimination Gamehttps://leetcode.com/problems/elimination-game
Find the Differencehttps://leetcode.com/problems/find-the-difference
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_the_difference.rb
Longest Absolute File Pathhttps://leetcode.com/problems/longest-absolute-file-path
First Unique Character in a Stringhttps://leetcode.com/problems/first-unique-character-in-a-string
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/first_unique_character_in_a_string.rb
Lexicographical Numbershttps://leetcode.com/problems/lexicographical-numbers
Mini Parserhttps://leetcode.com/problems/mini-parser
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/mini_parser.rb
Shuffle an Arrayhttps://leetcode.com/problems/shuffle-an-array
Ransom Notehttps://leetcode.com/problems/ransom-note
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/ransom_note.rb
Linked List Random Nodehttps://leetcode.com/problems/linked-list-random-node
Insert Delete GetRandom O(1) - Duplicates allowedhttps://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
Insert Delete GetRandom O(1)https://leetcode.com/problems/insert-delete-getrandom-o1
Design Phone Directoryhttps://leetcode.com/problems/design-phone-directory
Kth Smallest Element in a Sorted Matrixhttps://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
Combination Sum IVhttps://leetcode.com/problems/combination-sum-iv
Wiggle Subsequencehttps://leetcode.com/problems/wiggle-subsequence
Guess Number Higher or Lower IIhttps://leetcode.com/problems/guess-number-higher-or-lower-ii
Guess Number Higher or Lowerhttps://leetcode.com/problems/guess-number-higher-or-lower
Find K Pairs with Smallest Sumshttps://leetcode.com/problems/find-k-pairs-with-smallest-sums
Super Powhttps://leetcode.com/problems/super-pow
Sum of Two Integershttps://leetcode.com/problems/sum-of-two-integers
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sum_of_two_integers.rb
Range Additionhttps://leetcode.com/problems/range-addition
Plus One Linked Listhttps://leetcode.com/problems/plus-one-linked-list
Largest Divisible Subsethttps://leetcode.com/problems/largest-divisible-subset
Valid Perfect Squarehttps://leetcode.com/problems/valid-perfect-square
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/valid_perfect_square.rb
Find Leaves of Binary Treehttps://leetcode.com/problems/find-leaves-of-binary-tree
Water and Jug Problemhttps://leetcode.com/problems/water-and-jug-problem
Nested List Weight Sum IIhttps://leetcode.com/problems/nested-list-weight-sum-ii
Max Sum of Rectangle No Larger Than Khttps://leetcode.com/problems/max-sum-of-sub-matrix-no-larger-than-k
Design Hit Counterhttps://leetcode.com/problems/design-hit-counter
Bomb Enemyhttps://leetcode.com/problems/bomb-enemy/
Sort Transformed Arrayhttps://leetcode.com/problems/sort-transformed-array/
Logger Rate Limiterhttps://leetcode.com/problems/logger-rate-limiter/
Rearrange String k Distance Aparthttps://leetcode.com/problems/rearrange-string-k-distance-apart/
Count Numbers with Unique Digitshttps://leetcode.com/problems/count-numbers-with-unique-digits/
Line Reflectionhttps://leetcode.com/problems/line-reflection/
Design Twitterhttps://leetcode.com/problems/design-twitter/
Russian Doll Envelopeshttps://leetcode.com/problems/russian-doll-envelopes/
Design Snake Gamehttps://leetcode.com/problems/design-snake-game/
Data Stream as Disjoint Intervalshttps://leetcode.com/problems/data-stream-as-disjoint-intervals/
Android Unlock Patterns https://leetcode.com/problems/android-unlock-patterns/
Intersection of Two Arrays IIhttps://leetcode.com/problems/intersection-of-two-arrays-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/intersection_of_two_arrays_ii.rb
Intersection of Two Arrayshttps://leetcode.com/problems/intersection-of-two-arrays/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/intersection_of_two_arrays.rb
Design Tic-Tac-Toehttps://leetcode.com/problems/design-tic-tac-toe/
Top K Frequent Elementshttps://leetcode.com/problems/top-k-frequent-elements/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/top_k_frequent_elements.rb
Moving Average from Data Streamhttps://leetcode.com/problems/moving-average-from-data-stream/
Reverse Vowels of a Stringhttps://leetcode.com/problems/reverse-vowels-of-a-string/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_vowels_of_a_string.rb
Reverse Stringhttps://leetcode.com/problems/reverse-string/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_string.rb
Integer Breakhttps://leetcode.com/problems/integer-break/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/integer_break.rb
Power of Fourhttps://leetcode.com/problems/power-of-four/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/power_of_four.rb
Flatten Nested List Iteratorhttps://leetcode.com/problems/flatten-nested-list-iterator/
Longest Substring with At Most K Distinct Charactershttps://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters/
Nested List Weight Sumhttps://leetcode.com/problems/nested-list-weight-sum/
Counting Bitshttps://leetcode.com/problems/counting-bits/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/counting_bits.rb
House Robber IIIhttps://leetcode.com/problems/house-robber-iii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/house_robber_iii.rb
Palindrome Pairshttps://leetcode.com/problems/palindrome-pairs/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/palindrome_pairs.rb
Self Crossinghttps://leetcode.com/problems/self-crossing/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/self_crossing.rb
Increasing Triplet Subsequencehttps://leetcode.com/problems/increasing-triplet-subsequence/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/increasing_triplet_subsequence.rb
Largest BST Subtreehttps://leetcode.com/problems/largest-bst-subtree/
Reconstruct Itineraryhttps://leetcode.com/problems/reconstruct-itinerary/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reconstruct_itinerary.rb
Verify Preorder Serialization of a Binary Treehttps://leetcode.com/problems/verify-preorder-serialization-of-a-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/verify_preorder_serialization_of_a_binary_tree.rb
Patching Arrayhttps://leetcode.com/problems/patching-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/patching_array.rb
Longest Increasing Path in a Matrixhttps://leetcode.com/problems/longest-increasing-path-in-a-matrix/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_increasing_path_in_a_matrix.rb
Odd Even Linked Listhttps://leetcode.com/problems/odd-even-linked-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/odd_even_linked_list.rb
Count of Range Sumhttps://leetcode.com/problems/count-of-range-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/count_of_range_sum.rb
Power of Threehttps://leetcode.com/problems/power-of-three/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/power_of_three.rb
Maximum Size Subarray Sum Equals khttps://leetcode.com/problems/maximum-size-subarray-sum-equals-k/
Wiggle Sort IIhttps://leetcode.com/problems/wiggle-sort-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/wiggle_sort_ii.rb
Number of Connected Components in an Undirected Graphhttps://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/
Coin Changehttps://leetcode.com/problems/coin-change/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/coin_change.rb
Create Maximum Numberhttps://leetcode.com/problems/create-maximum-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/create_maximum_number.rb
Generalized Abbreviationhttps://leetcode.com/problems/generalized-abbreviation/
Bulb Switcherhttps://leetcode.com/problems/bulb-switcher/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/bulb_switcher.rb
Maximum Product of Word Lengthshttps://leetcode.com/problems/maximum-product-of-word-lengths/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximum_product_of_word_lengths.rb
Shortest Distance from All Buildingshttps://leetcode.com/problems/shortest-distance-from-all-buildings/
Remove Duplicate Lettershttps://leetcode.com/problems/remove-duplicate-letters/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_duplicate_letters.rb
Count of Smaller Numbers After Selfhttps://leetcode.com/problems/count-of-smaller-numbers-after-self/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/count_of_smaller_numbers_after_self.rb
Binary Tree Vertical Order Traversalhttps://leetcode.com/problems/binary-tree-vertical-order-traversal/
Super Ugly Numberhttps://leetcode.com/problems/super-ugly-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/super_ugly_number.rb
Burst Balloonshttps://leetcode.com/problems/burst-balloons/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/burst_balloons.rb
Sparse Matrix Multiplication https://leetcode.com/problems/sparse-matrix-multiplication/
Minimum Height Treeshttps://leetcode.com/problems/minimum-height-trees/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/minimum_height_trees.rb
Best Time to Buy and Sell Stock with Cooldownhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/best_time_to_buy_and_sell_stock_with_cooldown.rb
Range Sum Query 2D - Mutablehttps://leetcode.com/problems/range-sum-query-2d-mutable/
Range Sum Query - Mutablehttps://leetcode.com/problems/range-sum-query-mutable/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/range_sum_query_mutable.rb
Additive Numberhttps://leetcode.com/problems/additive-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/additive_number.rb
Number of Islands IIhttps://leetcode.com/problems/number-of-islands-ii/
Range Sum Query 2D - Immutablehttps://leetcode.com/problems/range-sum-query-2d-immutable/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/range_sum_query_2d_immutable.rb
Range Sum Query - Immutablehttps://leetcode.com/problems/range-sum-query-immutable/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/range_sum_query_immutable.rb
Smallest Rectangle Enclosing Black Pixelshttps://leetcode.com/problems/smallest-rectangle-enclosing-black-pixels/
Remove Invalid Parentheseshttps://leetcode.com/problems/remove-invalid-parentheses/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_invalid_parentheses.rb
Longest Increasing Subsequencehttps://leetcode.com/problems/longest-increasing-subsequence/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_increasing_subsequence.rb
Bulls and Cowshttps://leetcode.com/problems/bulls-and-cows/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/bulls_and_cows.rb
Binary Tree Longest Consecutive Sequencehttps://leetcode.com/problems/binary-tree-longest-consecutive-sequence/
Serialize and Deserialize Binary Treehttps://leetcode.com/problems/serialize-and-deserialize-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/serialize_and_deserialize_binary_tree.rb
Best Meeting Pointhttps://leetcode.com/problems/best-meeting-point/
Find Median from Data Streamhttps://leetcode.com/problems/find-median-from-data-stream/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_median_from_data_stream.rb
Flip Game IIhttps://leetcode.com/problems/flip-game-ii/
Flip Gamehttps://leetcode.com/problems/flip-game/
Nim Gamehttps://leetcode.com/problems/nim-game/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/nim_game.rb
Word Pattern IIhttps://leetcode.com/problems/word-pattern-ii/
Word Patternhttps://leetcode.com/problems/word-pattern/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/word_pattern.rb
Game of Lifehttps://leetcode.com/problems/game-of-life/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/game_of_life.rb
Unique Word Abbreviationhttps://leetcode.com/problems/unique-word-abbreviation/
Find the Duplicate Numberhttps://leetcode.com/problems/find-the-duplicate-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_the_duplicate_number.rb
Walls and Gateshttps://leetcode.com/problems/walls-and-gates/
Inorder Successor in BSThttps://leetcode.com/problems/inorder-successor-in-bst/
Peeking Iteratorhttps://leetcode.com/problems/peeking-iterator/
Move Zeroeshttps://leetcode.com/problems/move-zeroes/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/move_zeroes.rb
Expression Add Operatorshttps://leetcode.com/problems/expression-add-operators/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/expression_add_operators.rb
Zigzag Iteratorhttps://leetcode.com/problems/zigzag-iterator/
Wiggle Sorthttps://leetcode.com/problems/wiggle-sort/
Perfect Squareshttps://leetcode.com/problems/perfect-squares/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/perfect_squares.rb
First Bad Versionhttps://leetcode.com/problems/first-bad-version/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/first_bad_version.rb
Find the Celebrityhttps://leetcode.com/problems/find-the-celebrity/
Paint Fencehttps://leetcode.com/problems/paint-fence/
H-Index IIhttps://leetcode.com/problems/h-index-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/h_index_ii.rb
H-Indexhttps://leetcode.com/problems/h-index/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/h_index.rb
Integer to English Wordshttps://leetcode.com/problems/integer-to-english-words/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/integer_to_english_words.rb
Closest Binary Search Tree Value IIhttps://leetcode.com/problems/closest-binary-search-tree-value-ii/
Encode and Decode Stringshttps://leetcode.com/problems/encode-and-decode-strings/
Closest Binary Search Tree Valuehttps://leetcode.com/problems/closest-binary-search-tree-value/
Alien Dictionaryhttps://leetcode.com/problems/alien-dictionary/
Missing Numberhttps://leetcode.com/problems/missing-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/missing_number.rb
Palindrome Permutation IIhttps://leetcode.com/problems/palindrome-permutation-ii/
Palindrome Permutationhttps://leetcode.com/problems/palindrome-permutation/
Paint House IIhttps://leetcode.com/problems/paint-house-ii/
Ugly Number IIhttps://leetcode.com/problems/ugly-number-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/ugly_number_ii.rb
Ugly Numberhttps://leetcode.com/problems/ugly-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/ugly_number.rb
Trips and Usershttps://leetcode.com/problems/trips-and-users/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/trips_and_users.sql
Graph Valid Treehttps://leetcode.com/problems/graph-valid-tree/
Single Number IIIhttps://leetcode.com/problems/single-number-iii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/single_number_iii.rb
3Sum Smallerhttps://leetcode.com/problems/3sum-smaller/
Add Digitshttps://leetcode.com/problems/add-digits/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/add_digits.rb
Binary Tree Pathshttps://leetcode.com/problems/binary-tree-paths/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_paths.rb
Paint Househttps://leetcode.com/problems/paint-house/
Verify Preorder Sequence in Binary Search Treehttps://leetcode.com/problems/verify-preorder-sequence-in-binary-search-tree/
Factor Combinationshttps://leetcode.com/problems/factor-combinations/
Meeting Rooms IIhttps://leetcode.com/problems/meeting-rooms-ii/
Meeting Roomshttps://leetcode.com/problems/meeting-rooms/
Flatten 2D Vectorhttps://leetcode.com/problems/flatten-2d-vector/
Count Univalue Subtreeshttps://leetcode.com/problems/count-univalue-subtrees/
Group Shifted Stringshttps://leetcode.com/problems/group-shifted-strings/
Strobogrammatic Number IIIhttps://leetcode.com/problems/strobogrammatic-number-iii/
Strobogrammatic Number IIhttps://leetcode.com/problems/strobogrammatic-number-ii/
Strobogrammatic Numberhttps://leetcode.com/problems/strobogrammatic-number/
Shortest Word Distance IIIhttps://leetcode.com/problems/shortest-word-distance-iii/
Shortest Word Distance IIhttps://leetcode.com/problems/shortest-word-distance-ii/
Shortest Word Distancehttps://leetcode.com/problems/shortest-word-distance/
Valid Anagramhttps://leetcode.com/problems/valid-anagram/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/valid_anagram.rb
Different Ways to Add Parentheseshttps://leetcode.com/problems/different-ways-to-add-parentheses/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/different_ways_to_add_parentheses.rb
Search a 2D Matrix IIhttps://leetcode.com/problems/search-a-2d-matrix-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/search_a_2d_matrix_ii.rb
Sliding Window Maximumhttps://leetcode.com/problems/sliding-window-maximum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sliding_window_maximum.rb
Product of Array Except Selfhttps://leetcode.com/problems/product-of-array-except-self/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/product_of_array_except_self.rb
Delete Node in a Linked Listhttps://leetcode.com/problems/delete-node-in-a-linked-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/delete_node_in_a_linked_list.rb
Lowest Common Ancestor of a Binary Treehttps://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/lowest_common_ancestor_of_a_binary_tree.rb
Lowest Common Ancestor of a Binary Search Treehttps://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/lowest_common_ancestor_of_a_binary_search_tree.rb
Palindrome Linked Listhttps://leetcode.com/problems/palindrome-linked-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/palindrome_linked_list.rb
Number of Digit Onehttps://leetcode.com/problems/number-of-digit-one/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/number_of_digit_one.rb
Implement Queue using Stackshttps://leetcode.com/problems/implement-queue-using-stacks/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/implement_queue_using_stacks.rb
Power of Twohttps://leetcode.com/problems/power-of-two/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/power_of_two.rb
Kth Smallest Element in a BSThttps://leetcode.com/problems/kth-smallest-element-in-a-bst/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/kth_smallest_element_in_a_bst.rb
Majority Element IIhttps://leetcode.com/problems/majority-element-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/majority_element_ii.rb
Summary Rangeshttps://leetcode.com/problems/summary-ranges/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/summary_ranges.rb
Basic Calculator IIhttps://leetcode.com/problems/basic-calculator-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/basic_calculator_ii.rb
Invert Binary Treehttps://leetcode.com/problems/invert-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/invert_binary_tree.rb
Implement Stack using Queueshttps://leetcode.com/problems/implement-stack-using-queues/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/implement_stack_using_queues.rb
Basic Calculatorhttps://leetcode.com/problems/basic-calculator/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/basic_calculator.rb
Rectangle Areahttps://leetcode.com/problems/rectangle-area/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/rectangle_area.rb
Count Complete Tree Nodeshttps://leetcode.com/problems/count-complete-tree-nodes/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/count_complete_tree_nodes.rb
Maximal Squarehttps://leetcode.com/problems/maximal-square/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximal_square.rb
Contains Duplicate IIIhttps://leetcode.com/problems/contains-duplicate-iii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/contains_duplicate_iii.rb
Contains Duplicate IIhttps://leetcode.com/problems/contains-duplicate-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/contains_duplicate_ii.rb
The Skyline Problemhttps://leetcode.com/problems/the-skyline-problem/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/the_skyline_problem.rb
Contains Duplicatehttps://leetcode.com/problems/contains-duplicate/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/contains_duplicate.rb
Combination Sum IIIhttps://leetcode.com/problems/combination-sum-iii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/combination_sum_iii.rb
Kth Largest Element in an Arrayhttps://leetcode.com/problems/kth-largest-element-in-an-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/kth_largest_element_in_an_array.rb
Shortest Palindromehttps://leetcode.com/problems/shortest-palindrome/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/shortest_palindrome.rb
House Robber IIhttps://leetcode.com/problems/house-robber-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/house_robber_ii.rb
Word Search IIhttps://leetcode.com/problems/word-search-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/word_search.rb
Add and Search Word - Data structure designhttps://leetcode.com/problems/add-and-search-word-data-structure-design/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/add_and_search_word_data_structure_design.rb
Course Schedule IIhttps://leetcode.com/problems/course-schedule-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/course_schedule_ii.rb
Minimum Size Subarray Sumhttps://leetcode.com/problems/minimum-size-subarray-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/minimum_size_subarray_sum.rb
Implement Trie (Prefix Tree)https://leetcode.com/problems/implement-trie-prefix-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/implement_trie_prefix_tree.rb
Course Schedulehttps://leetcode.com/problems/course-schedule/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/course_schedule.rb
Reverse Linked Listhttps://leetcode.com/problems/reverse-linked-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_linked_list.rb
Isomorphic Stringshttps://leetcode.com/problems/isomorphic-strings/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/isomorphic_strings.rb
Count Primeshttps://leetcode.com/problems/count-primes/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/count_primes.rb
Remove Linked List Elementshttps://leetcode.com/problems/remove-linked-list-elements/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_linked_list_elements.rb
Happy Numberhttps://leetcode.com/problems/happy-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/happy_number.rb
Bitwise AND of Numbers Rangehttps://leetcode.com/problems/bitwise-and-of-numbers-range/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/bitwise_and_of_numbers_range.rb
Number of Islandshttps://leetcode.com/problems/number-of-islands/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/number_of_islands.rb
Binary Tree Right Side Viewhttps://leetcode.com/problems/binary-tree-right-side-view/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_right_side_view.rb
House Robberhttps://leetcode.com/problems/house-robber/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/house_robber.rb
Rising Temperaturehttps://leetcode.com/problems/rising-temperature/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/rising_temperature.sql
Delete Duplicate Emailshttps://leetcode.com/problems/delete-duplicate-emails/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/delete_duplicate_emails.sql
Tenth Linehttps://leetcode.com/problems/tenth-line/
Bashhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/shell/tenth_line.sh
Transpose Filehttps://leetcode.com/problems/transpose-file/
Bashhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/shell/transpose_file.sh
Valid Phone Numbershttps://leetcode.com/problems/valid-phone-numbers/
Bashhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/shell/valid_phone_numbers.sh
Word Frequencyhttps://leetcode.com/problems/word-frequency/
Bashhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/shell/word_frequency.sh
Number of 1 Bitshttps://leetcode.com/problems/number-of-1-bits/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/number_of_1_bits.rb
Reverse Bitshttps://leetcode.com/problems/reverse-bits/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_bits.rb
Rotate Arrayhttps://leetcode.com/problems/rotate-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/rotate_array.rb
Best Time to Buy and Sell Stock IVhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/best_time_to_buy_and_sell_stock_iv.rb
Repeated DNA Sequenceshttps://leetcode.com/problems/repeated-dna-sequences/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/repeated_dna_sequences.rb
Reverse Words in a String IIhttps://leetcode.com/problems/reverse-words-in-a-string-ii/
Department Top Three Salarieshttps://leetcode.com/problems/department-top-three-salaries/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/department_top_three_salaries.sql
Department Highest Salaryhttps://leetcode.com/problems/customers-who-never-order/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/department_highest_salary.sql
Customers Who Never Orderhttps://leetcode.com/problems/customers-who-never-order/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/customers_who_never_order.sql
Duplicate Emailshttps://leetcode.com/problems/duplicate-emails/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/duplicate_emails.sql
Employees Earning More Than Their Managershttps://leetcode.com/problems/employees-earning-more-than-their-managers/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/employees_earning_more_than_their_managers.sql
Consecutive Numbershttps://leetcode.com/problems/consecutive-numbers/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/consecutive_numbers.sql
Largest Numberhttps://leetcode.com/problems/largest-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/largest_number.rb
Rank Scoreshttps://leetcode.com/problems/rank-scores/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/rank_scores.sql
Nth Highest Salaryhttps://leetcode.com/problems/nth-highest-salary/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/nth_highest_salary.sql
Second Highest Salaryhttps://leetcode.com/problems/second-highest-salary/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/second_highest_salary.sql
Combine Two Tableshttps://leetcode.com/problems/combine-two-tables/
MySQLhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/database/combine_two_tables.sql
Dungeon Gamehttps://leetcode.com/problems/dungeon-game/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/dungeon_game.rb
Binary Search Tree Iteratorhttps://leetcode.com/problems/binary-search-tree-iterator/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_search_tree_iterator.rb
Factorial Trailing Zeroeshttps://leetcode.com/problems/factorial-trailing-zeroes/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/factorial_trailing_zeroes.rb
Excel Sheet Column Numberhttps://leetcode.com/problems/excel-sheet-column-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/excel_sheet_column_number.rb
Two Sum III - Data structure designhttps://leetcode.com/problems/two-sum-iii-data-structure-design/
Majority Elementhttps://leetcode.com/problems/majority-element/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/majority_element.rb
Excel Sheet Column Titlehttps://leetcode.com/problems/excel-sheet-column-title/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/excel_sheet_column_title.rb
Two Sum II - Input array is sortedhttps://leetcode.com/problems/two-sum-ii-input-array-is-sorted/
Fraction to Recurring Decimalhttps://leetcode.com/problems/fraction-to-recurring-decimal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/fraction_to_recurring_decimal.rb
Compare Version Numbershttps://leetcode.com/problems/compare-version-numbers/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/compare_version_numbers.rb
Maximum Gaphttps://leetcode.com/problems/maximum-gap/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximum_gap.rb
Missing Rangeshttps://leetcode.com/problems/missing-ranges/
Find Peak Elementhttps://leetcode.com/problems/find-peak-element/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_peak_element.rb
One Edit Distancehttps://leetcode.com/problems/one-edit-distance/
Intersection of Two Linked Listshttps://leetcode.com/problems/intersection-of-two-linked-lists/
Longest Substring with At Most Two Distinct Charactershttps://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/
Read N Characters Given Read4 II - Call multiple timeshttps://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times/
Read N Characters Given Read4https://leetcode.com/problems/read-n-characters-given-read4/
Binary Tree Upside Downhttps://leetcode.com/problems/binary-tree-upside-down/
Min Stackhttps://leetcode.com/problems/min-stack/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/min_stack.rb
Find Minimum in Rotated Sorted Array IIhttps://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_minimum_in_rotated_sorted_array_ii.rb
Find Minimum in Rotated Sorted Arrayhttps://leetcode.com/problems/find-minimum-in-rotated-sorted-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/find_minimum_in_rotated_sorted_array.rb
Maximum Product Subarrayhttps://leetcode.com/problems/maximum-product-subarray/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximum_product_subarray.rb
Reverse Words in a Stringhttps://leetcode.com/problems/reverse-words-in-a-string/
Evaluate Reverse Polish Notationhttps://leetcode.com/problems/evaluate-reverse-polish-notation/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/evaluate_reverse_polish_notation.rb
Max Points on a Linehttps://leetcode.com/problems/max-points-on-a-line/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/max_points_on_a_line.rb
Sort Listhttps://leetcode.com/problems/sort-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sort_list.rb
Insertion Sort Listhttps://leetcode.com/problems/insertion-sort-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/insertion_sort_list.rb
LRU Cachehttps://leetcode.com/problems/lru-cache/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/lru_cache.rb
Binary Tree Postorder Traversalhttps://leetcode.com/problems/binary-tree-postorder-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_postorder_traversal.rb
Binary Tree Preorder Traversalhttps://leetcode.com/problems/binary-tree-preorder-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_preorder_traversal.rb
Reorder Listhttps://leetcode.com/problems/reorder-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reorder_list.rb
Linked List Cycle IIhttps://leetcode.com/problems/linked-list-cycle-ii/
Linked List Cyclehttps://leetcode.com/problems/linked-list-cycle/
Word Break IIhttps://leetcode.com/problems/word-break-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/word_break_ii.rb
Word Breakhttps://leetcode.com/problems/word-break/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/word_break.rb
Copy List with Random Pointerhttps://leetcode.com/problems/copy-list-with-random-pointer/
Single Number IIhttps://leetcode.com/problems/single-number-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/single_number_ii.rb
Single Numberhttps://leetcode.com/problems/single-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/single_number.rb
Candyhttps://leetcode.com/problems/candy/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/candy.rb
Gas Stationhttps://leetcode.com/problems/gas-station/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/gas_station.rb
Clone Graphhttps://leetcode.com/problems/clone-graph/
Palindrome Partitioning IIhttps://leetcode.com/problems/palindrome-partitioning-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/palindrome_partitioning_ii.rb
Palindrome Partitioninghttps://leetcode.com/problems/palindrome-partitioning/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/palindrome_partitioning.rb
Surrounded Regionshttps://leetcode.com/problems/surrounded-regions/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/surrounded_regions.rb
Sum Root to Leaf Numbershttps://leetcode.com/problems/sum-root-to-leaf-numbers/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sum_root_to_leaf_numbers.rb
Longest Consecutive Sequencehttps://leetcode.com/problems/longest-consecutive-sequence/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_consecutive_sequence.rb
Word Ladderhttps://leetcode.com/problems/word-ladder/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/word_ladder.rb
Word Ladder IIhttps://leetcode.com/problems/word-ladder-ii/
Valid Palindromehttps://leetcode.com/problems/valid-palindrome/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/valid_palindrome.rb
Binary Tree Maximum Path Sumhttps://leetcode.com/problems/binary-tree-maximum-path-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_maximum_path_sum.rb
Best Time to Buy and Sell Stock IIIhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/best_time_to_buy_and_sell_stock_iii.rb
Best Time to Buy and Sell Stock IIhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/best_time_to_buy_and_sell_stock_ii.rb
Best Time to Buy and Sell Stockhttps://leetcode.com/problems/best-time-to-buy-and-sell-stock/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/best_time_to_buy_and_sell_stock.rb
Trianglehttps://leetcode.com/problems/triangle/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/triangle.rb
Pascal's Triangle IIhttps://leetcode.com/problems/pascals-triangle-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/pascals_triangle_ii.rb
Pascal's Trianglehttps://leetcode.com/problems/pascals-triangle/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/pascals_triangle.rb
Populating Next Right Pointers in Each Node IIhttps://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/
Populating Next Right Pointers in Each Nodehttps://leetcode.com/problems/populating-next-right-pointers-in-each-node/
Distinct Subsequenceshttps://leetcode.com/problems/distinct-subsequences/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/distinct_subsequences.rb
Flatten Binary Tree to Linked Listhttps://leetcode.com/problems/flatten-binary-tree-to-linked-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/flatten_binary_tree_to_linked_list.rb
Path Sum IIhttps://leetcode.com/problems/path-sum-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/path_sum_ii.rb
Path Sumhttps://leetcode.com/problems/path-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/path_sum.rb
Minimum Depth of Binary Treehttps://leetcode.com/problems/minimum-depth-of-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/minimum_depth_of_binary_tree.rb
Balanced Binary Treehttps://leetcode.com/problems/balanced-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/balanced_binary_tree.rb
Convert Sorted List to Binary Search Treehttps://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/convert_sorted_list_to_binary_search_tree.rb
Convert Sorted Array to Binary Search Treehttps://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/convert_sorted_array_to_binary_search_tree.rb
Binary Tree Level Order Traversal IIhttps://leetcode.com/problems/binary-tree-level-order-traversal-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_level_order_traversal_ii.rb
Construct Binary Tree from Inorder and Postorder Traversalhttps://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/construct_binary_tree_from_inorder_and_postorder_traversal.rb
Construct Binary Tree from Preorder and Inorder Traversalhttps://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/construct_binary_tree_from_preorder_and_inorder_traversal.rb
Maximum Depth of Binary Treehttps://leetcode.com/problems/maximum-depth-of-binary-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximum_depth_of_binary_tree.rb
Binary Tree Zigzag Level Order Traversalhttps://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_zigzag_level_order_traversal.rb
Binary Tree Level Order Traversalhttps://leetcode.com/problems/binary-tree-level-order-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_level_order_traversal.rb
Symmetric Treehttps://leetcode.com/problems/symmetric-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/symmetric_tree.rb
Same Treehttps://leetcode.com/problems/same-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/same_tree.rb
Recover Binary Search Treehttps://leetcode.com/problems/recover-binary-search-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/recover_binary_search_tree.rb
Validate Binary Search Treehttps://leetcode.com/problems/validate-binary-search-tree/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/validate_binary_search_tree.rb
Interleaving Stringhttps://leetcode.com/problems/interleaving-string/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/interleaving_string.rb
Unique Binary Search Treeshttps://leetcode.com/problems/unique-binary-search-trees/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/unique_binary_search_trees.rb
Unique Binary Search Trees IIhttps://leetcode.com/problems/unique-binary-search-trees-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/unique_binary_search_trees_ii.rb
Binary Tree Inorder Traversalhttps://leetcode.com/problems/binary-tree-inorder-traversal/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/binary_tree_inorder_traversal.rb
Restore IP Addresseshttps://leetcode.com/problems/restore-ip-addresses/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/restore_ip_addresses.rb
Reverse Linked List IIhttps://leetcode.com/problems/reverse-linked-list-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_linked_list_ii.rb
Decode Wayshttps://leetcode.com/problems/decode-ways/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/decode_ways.rb
Subsets IIhttps://leetcode.com/problems/subsets-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/subsets_ii.rb
Gray Codehttps://leetcode.com/problems/gray-code/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/gray_code.rb
Merge Sorted Arrayhttps://leetcode.com/problems/merge-sorted-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/merge_sorted_array.rb
Scramble Stringhttps://leetcode.com/problems/scramble-string/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/scramble_string.rb
Partition Listhttps://leetcode.com/problems/partition-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/partition_list.rb
Maximal Rectanglehttps://leetcode.com/problems/maximal-rectangle/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximal_rectangle.rb
Largest Rectangle in Histogramhttps://leetcode.com/problems/largest-rectangle-in-histogram/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/largest_rectangle_in_histogram.rb
Remove Duplicates from Sorted Listhttps://leetcode.com/problems/remove-duplicates-from-sorted-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_duplicates_from_sorted_list.rb
Remove Duplicates from Sorted List IIhttps://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_duplicates_from_sorted_list_ii.rb
Search in Rotated Sorted Array IIhttps://leetcode.com/problems/search-in-rotated-sorted-array-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/search_in_rotated_sorted_array_ii.rb
Remove Duplicates from Sorted Array IIhttps://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_duplicates_from_sorted_array_ii.rb
Word Searchhttps://leetcode.com/problems/word-search/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/word_search.rb
Subsetshttps://leetcode.com/problems/subsets/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/subsets.rb
Combinationshttps://leetcode.com/problems/combinations/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/combinations.rb
Minimum Window Substringhttps://leetcode.com/problems/minimum-window-substring/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/minimum_window_substring.rb
Sort Colorshttps://leetcode.com/problems/sort-colors/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sort_colors.rb
Search a 2D Matrixhttps://leetcode.com/problems/search-a-2d-matrix/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/search_a_2d_matrix.rb
Set Matrix Zeroeshttps://leetcode.com/problems/set-matrix-zeroes/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/set_matrix_zeroes.rb
Edit Distancehttps://leetcode.com/problems/edit-distance/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/edit_distance.rb
Simplify Pathhttps://leetcode.com/problems/simplify-path/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/simplify_path.rb
Climbing Stairshttps://leetcode.com/problems/climbing-stairs/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/climbing_stairs.rb
Sqrt()https://leetcode.com/problems/sqrtx/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sqrtx.rb
Text Justificationhttps://leetcode.com/problems/text-justification/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/text_justification.rb
Add Binaryhttps://leetcode.com/problems/add-binary/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/add_binary.rb
Plus Onehttps://leetcode.com/problems/plus-one/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/plus_one.rb
Valid Numberhttps://leetcode.com/problems/valid-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/valid_number.rb
Minimum Path Sumhttps://leetcode.com/problems/minimum-path-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/minimum_path_sum.rb
Unique Paths IIhttps://leetcode.com/problems/unique-paths-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/unique_paths_ii.rb
Unique Pathshttps://leetcode.com/problems/unique-paths/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/unique_paths.rb
Rotate Listhttps://leetcode.com/problems/rotate-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/rotate_list.rb
Permutation Sequencehttps://leetcode.com/problems/permutation-sequence/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/permutation_sequence.rb
Spiral Matrix IIhttps://leetcode.com/problems/spiral-matrix-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/spiral_matrix_ii.rb
Length of Last Wordhttps://leetcode.com/problems/length-of-last-word/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/length_of_last_word.rb
Insert Intervalhttps://leetcode.com/problems/insert-interval/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/insert_interval.rb
Merge Intervalshttps://leetcode.com/problems/merge-intervals/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/merge_intervals.rb
Jump Gamehttps://leetcode.com/problems/jump-game/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/jump_game.rb
Spiral Matrixhttps://leetcode.com/problems/spiral-matrix/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/spiral_matrix.rb
Maximum Subarrayhttps://leetcode.com/problems/maximum-subarray/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/maximum_subarray.rb
N-Queens IIhttps://leetcode.com/problems/n-queens-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/n_queens_ii.rb
N-Queenshttps://leetcode.com/problems/n-queens/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/n_queens.rb
Pow(x, n)https://leetcode.com/problems/powx-n/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/powx_n.rb
Group Anagramshttps://leetcode.com/problems/anagrams/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/anagrams.rb
Rotate Imagehttps://leetcode.com/problems/rotate-image/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/rotate_image.rb
Permutations IIhttps://leetcode.com/problems/permutations-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/permutations_ii.rb
Permutationshttps://leetcode.com/problems/permutations/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/permutations.rb
Jump Game IIhttps://leetcode.com/problems/jump-game-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/jump_game_ii.rb
Wildcard Matchinghttps://leetcode.com/problems/wildcard-matching/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/wildcard_matching.rb
Multiply Stringshttps://leetcode.com/problems/multiply-strings/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/multiply_strings.rb
Trapping Rain Waterhttps://leetcode.com/problems/trapping-rain-water/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/trapping_rain_water.rb
First Missing Positivehttps://leetcode.com/problems/first-missing-positive/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/first_missing_positive.rb
Combination Sum IIhttps://leetcode.com/problems/combination-sum-ii/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/combination_sum_ii.rb
Combination Sumhttps://leetcode.com/problems/combination-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/combination_sum.rb
Count and Sayhttps://leetcode.com/problems/count-and-say/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/count_and_say.rb
Sudoku Solverhttps://leetcode.com/problems/sudoku-solver/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/sudoku_solver.rb
Valid Sudokuhttps://leetcode.com/problems/valid-sudoku/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/valid_sudoku.rb
Search Insert Positionhttps://leetcode.com/problems/search-insert-position/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/search_insert_position.rb
Search for a Rangehttps://leetcode.com/problems/search-for-a-range/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/search_for_a_range.rb
Search in Rotated Sorted Arrayhttps://leetcode.com/problems/search-in-rotated-sorted-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/search_in_rotated_sorted_array.rb
Longest Valid Parentheseshttps://leetcode.com/problems/longest-valid-parentheses/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_valid_parentheses.rb
Next Permutationhttps://leetcode.com/problems/next-permutation/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/next_permutation.rb
Substring with Concatenation of All Wordshttps://leetcode.com/problems/substring-with-concatenation-of-all-words/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/substring_with_concatenation_of_all_words.rb
Divide Two Integershttps://leetcode.com/problems/divide-two-integers/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/divide_two_integers.rb
Implement strStr()https://leetcode.com/problems/implement-strstr/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/implement_strstr.rb
Remove Elementhttps://leetcode.com/problems/remove-element/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_element.rb
Remove Duplicates from Sorted Arrayhttps://leetcode.com/problems/remove-duplicates-from-sorted-array/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_duplicates_from_sorted_array.rb
Reverse Nodes in k-Grouphttps://leetcode.com/problems/reverse-nodes-in-k-group/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_nodes_in_k_group.rb
Swap Nodes in Pairshttps://leetcode.com/problems/swap-nodes-in-pairs/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/swap_nodes_in_pairs.rb
Merge k Sorted Listshttps://leetcode.com/problems/merge-k-sorted-lists/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/merge_k_sorted_lists.rb
Generate Parentheseshttps://leetcode.com/problems/generate-parentheses/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/generate_parentheses.rb
Merge Two Sorted Listshttps://leetcode.com/problems/merge-two-sorted-lists/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/merge_two_sorted_lists.rb
Valid Parentheseshttps://leetcode.com/problems/valid-parentheses/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/valid_parentheses.rb
Remove Nth Node From End of Listhttps://leetcode.com/problems/remove-nth-node-from-end-of-list/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/remove_nth_node_from_end_of_list.rb
4Sumhttps://leetcode.com/problems/4sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/4sum.rb
Letter Combinations of a Phone Numberhttps://leetcode.com/problems/letter-combinations-of-a-phone-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/letter_combinations_of_a_phone_number.rb
3Sum Closesthttps://leetcode.com/problems/3sum-closest/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/3sum_closest.rb
3Sumhttps://leetcode.com/problems/3sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/3sum.rb
Longest Common Prefixhttps://leetcode.com/problems/longest-common-prefix/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_common_prefix.rb
Roman to Integerhttps://leetcode.com/problems/roman-to-integer/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/roman_to_integer.rb
Integer to Romanhttps://leetcode.com/problems/integer-to-roman/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/integer_to_roman.rb
Container With Most Waterhttps://leetcode.com/problems/container-with-most-water/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/container_with_most_water.rb
Regular Expression Matchinghttps://leetcode.com/problems/regular-expression-matching/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/regular_expression_matching.rb
Palindrome Numberhttps://leetcode.com/problems/palindrome-number/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/palindrome_number.rb
String to Integer (atoi)https://leetcode.com/problems/string-to-integer-atoi/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/string_to_integer_atoi.rb
Reverse Integerhttps://leetcode.com/problems/reverse-integer/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/reverse_integer.rb
ZigZag Conversionhttps://leetcode.com/problems/zigzag-conversion/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/zigzag_conversion.rb
Longest Palindromic Substringhttps://leetcode.com/problems/longest-palindromic-substring/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_palindromic_substring.rb
Median of Two Sorted Arrayshttps://leetcode.com/problems/median-of-two-sorted-arrays/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/median_of_two_sorted_arrays.rb
Longest Substring Without Repeating Charactershttps://leetcode.com/problems/longest-substring-without-repeating-characters/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/longest_substring_without_repeating_characters.rb
Add Two Numbershttps://leetcode.com/problems/add-two-numbers/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/add_two_numbers.rb
Two Sumhttps://leetcode.com/problems/two-sum/
Rubyhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/blob/master/algorithms/two_sum.rb
Readme https://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby#readme-ov-file
MIT license https://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby#MIT-1-ov-file
Please reload this pagehttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby
Activityhttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/activity
Custom propertieshttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/custom-properties
0 starshttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/stargazers
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0 forkshttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/forks
Report repository https://patch-diff.githubusercontent.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2FLz4Code%2Fleetcode_ruby&report=Lz4Code+%28user%29
Releaseshttps://patch-diff.githubusercontent.com/Lz4Code/leetcode_ruby/releases
Packages 0https://patch-diff.githubusercontent.com/orgs/Lz4Code/packages?repo_name=leetcode_ruby
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