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Title: GitHub - illuz/leetcode: (229 / 280) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script.

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Description: (229 / 280) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script. - illuz/leetcode

Open Graph Description: (229 / 280) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script. - illuz/leetcode

X Description: (229 / 280) [中文|English] Solutions and notes of LEETCODE using C++/Java/Python/Sql/Shell Script. - illuz/leetcode

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How to LeetCodehttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/how-to-leetcode.md
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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/illuz/leetcode#problems
001.Two_Sumhttps://leetcode.com/problems/Two-Sum/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/001.Two_Sum
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/001.Two_Sum
002.Add_Two_Numbershttps://leetcode.com/problems/Add-Two-Numbers/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/002.Add_Two_Numbers
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/002.Add_Two_Numbers
003.Longest_Substring_Without_Repeat...https://leetcode.com/problems/Longest-Substring-Without-Repeating-Characters/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/003.Longest_Substring_Without_Repeating_Characters
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/003.Longest_Substring_Without_Repeating_Characters
004.Median_of_Two_Sorted_Arrayshttps://leetcode.com/problems/Median-of-Two-Sorted-Arrays/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/004.Median_of_Two_Sorted_Arrays
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/004.Median_of_Two_Sorted_Arrays
005.Longest_Palindromic_Substringhttps://leetcode.com/problems/Longest-Palindromic-Substring/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/005.Longest_Palindromic_Substring
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/005.Longest_Palindromic_Substring
006.ZigZag_Conversionhttps://leetcode.com/problems/ZigZag-Conversion/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/006.ZigZag_Conversion
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/006.ZigZag_Conversion
007.Reverse_Integerhttps://leetcode.com/problems/Reverse-Integer/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/007.Reverse_Integer
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/007.Reverse_Integer
008.String_to_Integerhttps://leetcode.com/problems/String-to-Integer/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/008.String_to_Integer
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/008.String_to_Integer
009.Palindrome_Numberhttps://leetcode.com/problems/Palindrome-Number/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/009.Palindrome_Number
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/009.Palindrome_Number
010.Regular_Expression_Matchinghttps://leetcode.com/problems/Regular-Expression-Matching/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/010.Regular_Expression_Matching
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/010.Regular_Expression_Matching
011.Container_With_Most_Waterhttps://leetcode.com/problems/Container-With-Most-Water/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/011.Container_With_Most_Water
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/011.Container_With_Most_Water
012.Integer_to_Romanhttps://leetcode.com/problems/Integer-to-Roman/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/012.Integer_to_Roman
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/012.Integer_to_Roman
013.Roman_to_Integerhttps://leetcode.com/problems/Roman-to-Integer/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/013.Roman_to_Integer
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/013.Roman_to_Integer
014.Longest_Common_Prefixhttps://leetcode.com/problems/Longest-Common-Prefix/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/014.Longest_Common_Prefix
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/014.Longest_Common_Prefix
015.3Sumhttps://leetcode.com/problems/3Sum/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/015.3Sum
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/015.3Sum
016.3Sum_Closesthttps://leetcode.com/problems/3Sum-Closest/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/016.3Sum_Closest
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/016.3Sum_Closest
017.Letter_Combinations_of_a_Phone_Numberhttps://leetcode.com/problems/Letter-Combinations-of-a-Phone-Number/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/017.Letter_Combinations_of_a_Phone_Number
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/017.Letter_Combinations_of_a_Phone_Number
018.4Sumhttps://leetcode.com/problems/4Sum/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/018.4Sum
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/018.4Sum
019.Remove_Nth_Node_From_End_of_Listhttps://leetcode.com/problems/Remove-Nth-Node-From-End-of-List/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/019.Remove_Nth_Node_From_End_of_List
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/019.Remove_Nth_Node_From_End_of_List
020.Valid_Parentheseshttps://leetcode.com/problems/Valid-Parentheses/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/020.Valid_Parentheses
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/020.Valid_Parentheses
021.Merge_Two_Sorted_Listshttps://leetcode.com/problems/Merge-Two-Sorted-Lists/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/021.Merge_Two_Sorted_Lists
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/021.Merge_Two_Sorted_Lists
022.Generate_Parentheseshttps://leetcode.com/problems/Generate-Parentheses/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/022.Generate_Parentheses
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/022.Generate_Parentheses
023.Merge_k_Sorted_Listshttps://leetcode.com/problems/Merge-k-Sorted-Lists/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/023.Merge_k_Sorted_Lists
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/023.Merge_k_Sorted_Lists
024.Swap_Nodes_in_Pairshttps://leetcode.com/problems/Swap-Nodes-in-Pairs/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/024.Swap_Nodes_in_Pairs
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/024.Swap_Nodes_in_Pairs
025.Reverse_Nodes_in_k-Grouphttps://leetcode.com/problems/Reverse-Nodes-in-k-Group/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/025.Reverse_Nodes_in_k-Group
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/025.Reverse_Nodes_in_k-Group
026.Remove_Duplicates_from_Sorted_Arrayhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-Array/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/026.Remove_Duplicates_from_Sorted_Array
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/026.Remove_Duplicates_from_Sorted_Array
027.Remove_Elementhttps://leetcode.com/problems/Remove-Element/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/027.Remove_Element
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/027.Remove_Element
028.Implement_strStr()https://leetcode.com/problems/Implement-strStr/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/028.Implement_strStr()
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/028.Implement_strStr()
029.Divide_Two_Integershttps://leetcode.com/problems/Divide-Two-Integers/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/029.Divide_Two_Integers
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/029.Divide_Two_Integers
030.Substring_with_Concatenation_of_...https://leetcode.com/problems/Substring-with-Concatenation-of-All-Words/
C++ Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/030.Substring_with_Concatenation_of_All_Words
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/030.Substring_with_Concatenation_of_All_Words
031.Next_Permutationhttps://leetcode.com/problems/Next-Permutation/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/031.Next_Permutation
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/031.Next_Permutation
032.Longest_Valid_Parentheseshttps://leetcode.com/problems/Longest-Valid-Parentheses/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/032.Longest_Valid_Parentheses
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/032.Longest_Valid_Parentheses
033.Search_in_Rotated_Sorted_Arrayhttps://leetcode.com/problems/Search-in-Rotated-Sorted-Array/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/033.Search_in_Rotated_Sorted_Array
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/033.Search_in_Rotated_Sorted_Array
034.Search_for_a_Rangehttps://leetcode.com/problems/Search-for-a-Range/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/034.Search_for_a_Range
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/034.Search_for_a_Range
035.Search_Insert_Positionhttps://leetcode.com/problems/Search-Insert-Position/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/035.Search_Insert_Position
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/035.Search_Insert_Position
036.Valid_Sudokuhttps://leetcode.com/problems/Valid-Sudoku/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/036.Valid_Sudoku
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/036.Valid_Sudoku
037.Sudoku_Solverhttps://leetcode.com/problems/Sudoku-Solver/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/037.Sudoku_Solver
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/037.Sudoku_Solver
038.Count_and_Sayhttps://leetcode.com/problems/Count-and-Say/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/038.Count_and_Say
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/038.Count_and_Say
039.Combination_Sumhttps://leetcode.com/problems/Combination-Sum/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/039.Combination_Sum
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/039.Combination_Sum
040.Combination_Sum_IIhttps://leetcode.com/problems/Combination-Sum-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/040.Combination_Sum_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/040.Combination_Sum_II
041.First_Missing_Positivehttps://leetcode.com/problems/First-Missing-Positive/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/041.First_Missing_Positive
042.Trapping_Rain_Waterhttps://leetcode.com/problems/Trapping-Rain-Water/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/042.Trapping_Rain_Water
043.Multiply_Stringshttps://leetcode.com/problems/Multiply-Strings/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/043.Multiply_Strings
044.Wildcard_Matchinghttps://leetcode.com/problems/Wildcard-Matching/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/044.Wildcard_Matching
045.Jump_Game_IIhttps://leetcode.com/problems/Jump-Game-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/045.Jump_Game_II
046.Permutationshttps://leetcode.com/problems/Permutations/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/046.Permutations
047.Permutations_IIhttps://leetcode.com/problems/Permutations-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/047.Permutations_II
048.Rotate_Imagehttps://leetcode.com/problems/Rotate-Image/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/048.Rotate_Image
049.Anagramshttps://leetcode.com/problems/Anagrams/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/049.Anagrams
050.Pow(x,_n)https://leetcode.com/problems/Powx,-n/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/050.Pow(x,_n)
051.N-Queenshttps://leetcode.com/problems/N-Queens/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/051.N-Queens
052.N-Queens_IIhttps://leetcode.com/problems/N-Queens-II/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/052.N-Queens_II
053.Maximum_Subarrayhttps://leetcode.com/problems/Maximum-Subarray/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/053.Maximum_Subarray
054.Spiral_Matrixhttps://leetcode.com/problems/Spiral-Matrix/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/054.Spiral_Matrix
055.Jump_Gamehttps://leetcode.com/problems/Jump-Game/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/055.Jump_Game
056.Merge_Intervalshttps://leetcode.com/problems/Merge-Intervals/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/056.Merge_Intervals
057.Insert_Intervalhttps://leetcode.com/problems/Insert-Interval/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/057.Insert_Interval
058.Length_of_Last_Wordhttps://leetcode.com/problems/Length-of-Last-Word/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/058.Length_of_Last_Word
059.Spiral_Matrix_IIhttps://leetcode.com/problems/Spiral-Matrix-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/059.Spiral_Matrix_II
060.Permutation_Sequencehttps://leetcode.com/problems/Permutation-Sequence/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/060.Permutation_Sequence
061.Rotate_Listhttps://leetcode.com/problems/Rotate-List/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/061.Rotate_List
062.Unique_Pathshttps://leetcode.com/problems/Unique-Paths/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/062.Unique_Paths
063.Unique_Paths_IIhttps://leetcode.com/problems/Unique-Paths-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/063.Unique_Paths_II
064.Minimum_Path_Sumhttps://leetcode.com/problems/Minimum-Path-Sum/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/064.Minimum_Path_Sum
065.Valid_Numberhttps://leetcode.com/problems/Valid-Number/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/065.Valid_Number
066.Plus_Onehttps://leetcode.com/problems/Plus-One/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/066.Plus_One
067.Add_Binaryhttps://leetcode.com/problems/Add-Binary/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/067.Add_Binary
068.Text_Justificationhttps://leetcode.com/problems/Text-Justification/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/068.Text_Justification
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/068.Text_Justification
069.Sqrt(x)https://leetcode.com/problems/Sqrtx/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/069.Sqrt(x)
070.Climbing_Stairshttps://leetcode.com/problems/Climbing-Stairs/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/070.Climbing_Stairs
071.Simplify_Pathhttps://leetcode.com/problems/Simplify-Path/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/071.Simplify_Path
072.Edit_Distancehttps://leetcode.com/problems/Edit-Distance/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/072.Edit_Distance
073.Set_Matrix_Zeroeshttps://leetcode.com/problems/Set-Matrix-Zeroes/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/073.Set_Matrix_Zeroes
074.Search_a_2D_Matrixhttps://leetcode.com/problems/Search-a-2D-Matrix/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/074.Search_a_2D_Matrix
075.Sort_Colorshttps://leetcode.com/problems/Sort-Colors/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/075.Sort_Colors
076.Minimum_Window_Substringhttps://leetcode.com/problems/Minimum-Window-Substring/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/076.Minimum_Window_Substring
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/076.Minimum_Window_Substring
077.Combinationshttps://leetcode.com/problems/Combinations/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/077.Combinations
078.Subsetshttps://leetcode.com/problems/Subsets/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/078.Subsets
079.Word_Searchhttps://leetcode.com/problems/Word-Search/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/079.Word_Search
080.Remove_Duplicates_from_Sorted_Array_IIhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-Array-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/080.Remove_Duplicates_from_Sorted_Array_II
081.Search_in_Rotated_Sorted_Array_IIhttps://leetcode.com/problems/Search-in-Rotated-Sorted-Array-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/081.Search_in_Rotated_Sorted_Array_II
082.Remove_Duplicates_from_Sorted_List_IIhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-List-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/082.Remove_Duplicates_from_Sorted_List_II
083.Remove_Duplicates_from_Sorted_Listhttps://leetcode.com/problems/Remove-Duplicates-from-Sorted-List/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/083.Remove_Duplicates_from_Sorted_List
084.Largest_Rectangle_in_Histogramhttps://leetcode.com/problems/Largest-Rectangle-in-Histogram/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/084.Largest_Rectangle_in_Histogram
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/084.Largest_Rectangle_in_Histogram
085.Maximal_Rectanglehttps://leetcode.com/problems/Maximal-Rectangle/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/085.Maximal_Rectangle
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/085.Maximal_Rectangle
086.Partition_Listhttps://leetcode.com/problems/Partition-List/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/086.Partition_List
087.Scramble_Stringhttps://leetcode.com/problems/Scramble-String/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/087.Scramble_String
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/087.Scramble_String
088.Merge_Sorted_Arrayhttps://leetcode.com/problems/Merge-Sorted-Array/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/088.Merge_Sorted_Array
089.Gray_Codehttps://leetcode.com/problems/Gray-Code/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/089.Gray_Code
090.Subsets_IIhttps://leetcode.com/problems/Subsets-II/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/090.Subsets_II
091.Decode_Wayshttps://leetcode.com/problems/Decode-Ways/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/091.Decode_Ways
092.Reverse_Linked_List_IIhttps://leetcode.com/problems/Reverse-Linked-List-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/092.Reverse_Linked_List_II
093.Restore_IP_Addresseshttps://leetcode.com/problems/Restore-IP-Addresses/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/093.Restore_IP_Addresses
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/093.Restore_IP_Addresses
094.Binary_Tree_Inorder_Traversalhttps://leetcode.com/problems/Binary-Tree-Inorder-Traversal/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/094.Binary_Tree_Inorder_Traversal
095.Unique_Binary_Search_Treeshttps://leetcode.com/problems/Unique-Binary-Search-Trees/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/095.Unique_Binary_Search_Trees
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/095.Unique_Binary_Search_Trees
096.Unique_Binary_Search_Trees_IIhttps://leetcode.com/problems/Unique-Binary-Search-Trees-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/096.Unique_Binary_Search_Trees_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/096.Unique_Binary_Search_Trees_II
097.Interleaving_Stringhttps://leetcode.com/problems/Interleaving-String/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/097.Interleaving_String
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/097.Interleaving_String
098.Validate_Binary_Search_Treehttps://leetcode.com/problems/Validate-Binary-Search-Tree/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/098.Validate_Binary_Search_Tree
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/098.Validate_Binary_Search_Tree
099.Recover_Binary_Search_Treehttps://leetcode.com/problems/Recover-Binary-Search-Tree/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/099.Recover_Binary_Search_Tree
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/099.Recover_Binary_Search_Tree
100.Same_Treehttps://leetcode.com/problems/Same-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/100.Same_Tree
101.Symmetric_Treehttps://leetcode.com/problems/Symmetric-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/101.Symmetric_Tree
102.Binary_Tree_Level_Order_Traversalhttps://leetcode.com/problems/Binary-Tree-Level-Order-Traversal/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/102.Binary_Tree_Level_Order_Traversal
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/102.Binary_Tree_Level_Order_Traversal
103.Binary_Tree_Zigzag_Level_Order_Traversalhttps://leetcode.com/problems/Binary-Tree-Zigzag-Level-Order-Traversal/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/103.Binary_Tree_Zigzag_Level_Order_Traversal
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/103.Binary_Tree_Zigzag_Level_Order_Traversal
104.Maximum_Depth_of_Binary_Treehttps://leetcode.com/problems/Maximum-Depth-of-Binary-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/104.Maximum_Depth_of_Binary_Tree
105.Construct_Binary_Tree_from_Preor...https://leetcode.com/problems/Construct-Binary-Tree-from-Preorder-and-Inorder-Traversal/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/105.Construct_Binary_Tree_from_Preorder_and_Inorder_Traversal
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/105.Construct_Binary_Tree_from_Preorder_and_Inorder_Traversal
106.Construct_Binary_Tree_from_Inord...https://leetcode.com/problems/Construct-Binary-Tree-from-Inorder-and-Postorder-Traversal/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/106.Construct_Binary_Tree_from_Inorder_and_Postorder_Traversal
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/106.Construct_Binary_Tree_from_Inorder_and_Postorder_Traversal
107.Binary_Tree_Level_Order_Traversal_IIhttps://leetcode.com/problems/Binary-Tree-Level-Order-Traversal-II/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/107.Binary_Tree_Level_Order_Traversal_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/107.Binary_Tree_Level_Order_Traversal_II
108.Convert_Sorted_Array_to_Binary_S...https://leetcode.com/problems/Convert-Sorted-Array-to-Binary-Search-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/108.Convert_Sorted_Array_to_Binary_Search_Tree
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/108.Convert_Sorted_Array_to_Binary_Search_Tree
109.Convert_Sorted_List_to_Binary_Se...https://leetcode.com/problems/Convert-Sorted-List-to-Binary-Search-Tree/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/109.Convert_Sorted_List_to_Binary_Search_Tree
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/109.Convert_Sorted_List_to_Binary_Search_Tree
110.Balanced_Binary_Treehttps://leetcode.com/problems/Balanced-Binary-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/110.Balanced_Binary_Tree
111.Minimum_Depth_of_Binary_Treehttps://leetcode.com/problems/Minimum-Depth-of-Binary-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/111.Minimum_Depth_of_Binary_Tree
112.Path_Sumhttps://leetcode.com/problems/Path-Sum/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/112.Path_Sum
113.Path_Sum_IIhttps://leetcode.com/problems/Path-Sum-II/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/113.Path_Sum_II
114.Flatten_Binary_Tree_to_Linked_Listhttps://leetcode.com/problems/Flatten-Binary-Tree-to-Linked-List/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/114.Flatten_Binary_Tree_to_Linked_List
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/114.Flatten_Binary_Tree_to_Linked_List
115.Distinct_Subsequenceshttps://leetcode.com/problems/Distinct-Subsequences/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/115.Distinct_Subsequences
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/115.Distinct_Subsequences
116.Populating_Next_Right_Pointers_i...https://leetcode.com/problems/Populating-Next-Right-Pointers-in-Each-Node/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/116.Populating_Next_Right_Pointers_in_Each_Node
117.Populating_Next_Right_Pointers_i...https://leetcode.com/problems/Populating-Next-Right-Pointers-in-Each-Node-II/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/117.Populating_Next_Right_Pointers_in_Each_Node_II
118.Pascal's_Trianglehttps://leetcode.com/problems/Pascals-Triangle/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/118.Pascal's_Triangle
119.Pascal's_Triangle_IIhttps://leetcode.com/problems/Pascals-Triangle-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/119.Pascal's_Triangle_II
120.Trianglehttps://leetcode.com/problems/Triangle/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/120.Triangle
121.Best_Time_to_Buy_and_Sell_Stockhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/121.Best_Time_to_Buy_and_Sell_Stock
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/121.Best_Time_to_Buy_and_Sell_Stock
122.Best_Time_to_Buy_and_Sell_Stock_IIhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock-II/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/122.Best_Time_to_Buy_and_Sell_Stock_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/122.Best_Time_to_Buy_and_Sell_Stock_II
123.Best_Time_to_Buy_and_Sell_Stock_IIIhttps://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock-III/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/123.Best_Time_to_Buy_and_Sell_Stock_III
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/123.Best_Time_to_Buy_and_Sell_Stock_III
124.Binary_Tree_Maximum_Path_Sumhttps://leetcode.com/problems/Binary-Tree-Maximum-Path-Sum/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/124.Binary_Tree_Maximum_Path_Sum
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/124.Binary_Tree_Maximum_Path_Sum
125.Valid_Palindromehttps://leetcode.com/problems/Valid-Palindrome/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/125.Valid_Palindrome
126.Word_Ladderhttps://leetcode.com/problems/Word-Ladder/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/126.Word_Ladder
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/126.Word_Ladder
126.Word_Ladder_IIhttps://leetcode.com/problems/Word-Ladder-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/126.Word_Ladder_II
127.Word_Ladderhttps://leetcode.com/problems/Word-Ladder/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/127.Word_Ladder
128.Longest_Consecutive_Sequencehttps://leetcode.com/problems/Longest-Consecutive-Sequence/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/128.Longest_Consecutive_Sequence
129.Sum_Root_to_Leaf_Numbershttps://leetcode.com/problems/Sum-Root-to-Leaf-Numbers/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/129.Sum_Root_to_Leaf_Numbers
130.Surrounded_Regionshttps://leetcode.com/problems/Surrounded-Regions/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/130.Surrounded_Regions
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/130.Surrounded_Regions
131.Palindrome_Partitioninghttps://leetcode.com/problems/Palindrome-Partitioning/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/131.Palindrome_Partitioning
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/131.Palindrome_Partitioning
132.Palindrome_Partitioning_IIhttps://leetcode.com/problems/Palindrome-Partitioning-II/
C++ Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/132.Palindrome_Partitioning_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/132.Palindrome_Partitioning_II
133.Clone_Graphhttps://leetcode.com/problems/Clone-Graph/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/133.Clone_Graph
134.Gas_Stationhttps://leetcode.com/problems/Gas-Station/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/134.Gas_Station
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/134.Gas_Station
135.Candyhttps://leetcode.com/problems/Candy/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/135.Candy
136.Single_Numberhttps://leetcode.com/problems/Single-Number/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/136.Single_Number
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/136.Single_Number
137.Single_Number_IIhttps://leetcode.com/problems/Single-Number-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/137.Single_Number_II
138.Copy_List_with_Random_Pointerhttps://leetcode.com/problems/Copy-List-with-Random-Pointer/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/138.Copy_List_with_Random_Pointer
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/138.Copy_List_with_Random_Pointer
139.Word_Breakhttps://leetcode.com/problems/Word-Break/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/139.Word_Break
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/139.Word_Break
140.Word_Break_IIhttps://leetcode.com/problems/Word-Break-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/140.Word_Break_II
141.Linked_List_Cyclehttps://leetcode.com/problems/Linked-List-Cycle/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/141.Linked_List_Cycle
142.Linked_List_Cycle_IIhttps://leetcode.com/problems/Linked-List-Cycle-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/142.Linked_List_Cycle_II
143.Reorder_Listhttps://leetcode.com/problems/Reorder-List/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/143.Reorder_List
144.Binary_Tree_Preorder_Traversalhttps://leetcode.com/problems/Binary-Tree-Preorder-Traversal/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/144.Binary_Tree_Preorder_Traversal
145.Binary_Tree_Postorder_Traversalhttps://leetcode.com/problems/Binary-Tree-Postorder-Traversal/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/145.Binary_Tree_Postorder_Traversal
146.LRU_Cachehttps://leetcode.com/problems/LRU-Cache/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/146.LRU_Cache
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/146.LRU_Cache
147.Insertion_Sort_Listhttps://leetcode.com/problems/Insertion-Sort-List/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/147.Insertion_Sort_List
148.Sort_Listhttps://leetcode.com/problems/Sort-List/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/148.Sort_List
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/148.Sort_List
149.Max_Points_on_a_Linehttps://leetcode.com/problems/Max-Points-on-a-Line/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/149.Max_Points_on_a_Line
150.Evaluate_Reverse_Polish_Notationhttps://leetcode.com/problems/Evaluate-Reverse-Polish-Notation/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/150.Evaluate_Reverse_Polish_Notation
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/150.Evaluate_Reverse_Polish_Notation
151.Reverse_Words_in_a_Stringhttps://leetcode.com/problems/Reverse-Words-in-a-String/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/151.Reverse_Words_in_a_String
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/151.Reverse_Words_in_a_String
152.Maximum_Product_Subarrayhttps://leetcode.com/problems/Maximum-Product-Subarray/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/152.Maximum_Product_Subarray
153.Find_Minimum_in_Rotated_Sorted_Arrayhttps://leetcode.com/problems/Find-Minimum-in-Rotated-Sorted-Array/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/153.Find_Minimum_in_Rotated_Sorted_Array
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/153.Find_Minimum_in_Rotated_Sorted_Array
154.Find_Minimum_in_Rotated_Sorted_Array_IIhttps://leetcode.com/problems/Find-Minimum-in-Rotated-Sorted-Array-II/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/154.Find_Minimum_in_Rotated_Sorted_Array_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/154.Find_Minimum_in_Rotated_Sorted_Array_II
155.Min_Stackhttps://leetcode.com/problems/Min-Stack/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/155.Min_Stack
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/155.Min_Stack
156.Binary_Tree_Upside_Down $https://leetcode.com/problems/Binary-Tree-Upside-Down/
157.Read_N_Characters_Given_Read4 $https://leetcode.com/problems/Read-N-Characters-Given-Read4/
158.Read_N_Characters_Given_Read4_II... $https://leetcode.com/problems/Read-N-Characters-Given-Read4-II---Call-multiple-times/
159.Longest_Substring_with_At_Most_T... $https://leetcode.com/problems/Longest-Substring-with-At-Most-Two-Distinct-Characters/
160.Intersection_of_Two_Linked_Listshttps://leetcode.com/problems/Intersection-of-Two-Linked-Lists/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/160.Intersection_of_Two_Linked_Lists
161.One_Edit_Distance $https://leetcode.com/problems/One-Edit-Distance/
162.Find_Peak_Elementhttps://leetcode.com/problems/Find-Peak-Element/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/162.Find_Peak_Element
163.Missing_Ranges $https://leetcode.com/problems/Missing-Ranges/
164.Maximum_Gaphttps://leetcode.com/problems/Maximum-Gap/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/164.Maximum_Gap
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/164.Maximum_Gap
165.Compare_Version_Numbershttps://leetcode.com/problems/Compare-Version-Numbers/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/165.Compare_Version_Numbers
166.Fraction_to_Recurring_Decimalhttps://leetcode.com/problems/Fraction-to-Recurring-Decimal/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/166.Fraction_to_Recurring_Decimal
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/166.Fraction_to_Recurring_Decimal
167.Two_Sum_II_-_Input_array_is_sorted $https://leetcode.com/problems/Two-Sum-II---Input-array-is-sorted/
168.Excel_Sheet_Column_Titlehttps://leetcode.com/problems/Excel-Sheet-Column-Title/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/168.Excel_Sheet_Column_Title
169.Majority_Elementhttps://leetcode.com/problems/Majority-Element/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/169.Majority_Element
170.Two_Sum_III_-_Data_structure_design $https://leetcode.com/problems/Two-Sum-III---Data-structure-design/
171.Excel_Sheet_Column_Numberhttps://leetcode.com/problems/Excel-Sheet-Column-Number/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/171.Excel_Sheet_Column_Number
172.Factorial_Trailing_Zeroeshttps://leetcode.com/problems/Factorial-Trailing-Zeroes/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/172.Factorial_Trailing_Zeroes
173.Binary_Search_Tree_Iteratorhttps://leetcode.com/problems/Binary-Search-Tree-Iterator/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/173.Binary_Search_Tree_Iterator
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/173.Binary_Search_Tree_Iterator
174.Dungeon_Gamehttps://leetcode.com/problems/Dungeon-Game/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/174.Dungeon_Game
175.Combine_Two_Tableshttps://leetcode.com/problems/Combine-Two-Tables/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/175.Combine_Two_Tables
176.Second_Highest_Salaryhttps://leetcode.com/problems/Second-Highest-Salary/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/176.Second_Highest_Salary
177.Nth_Highest_Salaryhttps://leetcode.com/problems/Nth-Highest-Salary/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/177.Nth_Highest_Salary
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/177.Nth_Highest_Salary
178.Rank_Scoreshttps://leetcode.com/problems/Rank-Scores/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/178.Rank_Scores
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/178.Rank_Scores
179.Largest_Numberhttps://leetcode.com/problems/Largest-Number/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/179.Largest_Number
180.Consecutive_Numbershttps://leetcode.com/problems/Consecutive-Numbers/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/180.Consecutive_Numbers
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/180.Consecutive_Numbers
181.Employees_Earning_More_Than_Thei...https://leetcode.com/problems/Employees-Earning-More-Than-Their-Managers/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/181.Employees_Earning_More_Than_Their_Managers
182.Duplicate_Emailshttps://leetcode.com/problems/Duplicate-Emails/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/182.Duplicate_Emails
183.Customers_Who_Never_Orderhttps://leetcode.com/problems/Customers-Who-Never-Order/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/183.Customers_Who_Never_Order
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/183.Customers_Who_Never_Order
184.Department_Highest_Salaryhttps://leetcode.com/problems/Department-Highest-Salary/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/184.Department_Highest_Salary
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/184.Department_Highest_Salary
186.Reverse_Words_in_a_String_II $https://leetcode.com/problems/Reverse-Words-in-a-String-II/
187.Repeated_DNA_Sequenceshttps://leetcode.com/problems/Repeated-DNA-Sequences/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/187.Repeated_DNA_Sequences
188.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/illuz/leetcode/blob/master/solutions/188.Best_Time_to_Buy_and_Sell_Stock_IV
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/188.Best_Time_to_Buy_and_Sell_Stock_IV
189.Rotate_Arrayhttps://leetcode.com/problems/Rotate-Array/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/189.Rotate_Array
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/189.Rotate_Array
190.Reverse_Bitshttps://leetcode.com/problems/Reverse-Bits/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/190.Reverse_Bits
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/190.Reverse_Bits
191.Number_of_1_Bitshttps://leetcode.com/problems/Number-of-1-Bits/
C++ Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/191.Number_of_1_Bits
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/191.Number_of_1_Bits
192.Word_Frequencyhttps://leetcode.com/problems/Word-Frequency/
Shellhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/192.Word_Frequency
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/192.Word_Frequency
193.Valid_Phone_Numbershttps://leetcode.com/problems/Valid-Phone-Numbers/
Shellhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/193.Valid_Phone_Numbers
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/193.Valid_Phone_Numbers
194.Transpose_Filehttps://leetcode.com/problems/Transpose-File/
Shellhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/194.Transpose_File
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/194.Transpose_File
195.Tenth_Linehttps://leetcode.com/problems/Tenth-Line/
Shellhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/195.Tenth_Line
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/195.Tenth_Line
196.Delete_Duplicate_Emailshttps://leetcode.com/problems/Delete-Duplicate-Emails/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/196.Delete_Duplicate_Emails
197.Rising_Temperaturehttps://leetcode.com/problems/Rising-Temperature/
Sqlhttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/197.Rising_Temperature
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/197.Rising_Temperature
198.House_Robberhttps://leetcode.com/problems/House-Robber/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/198.House_Robber
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/198.House_Robber
199.Binary_Tree_Right_Side_Viewhttps://leetcode.com/problems/Binary-Tree-Right-Side-View/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/199.Binary_Tree_Right_Side_View
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/199.Binary_Tree_Right_Side_View
200.Number_of_Islandshttps://leetcode.com/problems/Number-of-Islands/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/200.Number_of_Islands
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/200.Number_of_Islands
201.Bitwise_AND_of_Numbers_Rangehttps://leetcode.com/problems/Bitwise-AND-of-Numbers-Range/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/201.Bitwise_AND_of_Numbers_Range
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/201.Bitwise_AND_of_Numbers_Range
202.Happy_Numberhttps://leetcode.com/problems/Happy-Number/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/202.Happy_Number
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/202.Happy_Number
203.Remove_Linked_List_Elementshttps://leetcode.com/problems/Remove-Linked-List-Elements/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/203.Remove_Linked_List_Elements
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/203.Remove_Linked_List_Elements
204.Count_Primeshttps://leetcode.com/problems/Count-Primes/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/204.Count_Primes
205.Isomorphic_Stringshttps://leetcode.com/problems/Isomorphic-Strings/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/205.Isomorphic_Strings
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/205.Isomorphic_Strings
206.Reverse_Linked_Listhttps://leetcode.com/problems/Reverse-Linked-List/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/206.Reverse_Linked_List
207.Course_Schedulehttps://leetcode.com/problems/Course-Schedule/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/207.Course_Schedule
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/207.Course_Schedule
208.Implement_Trie_(Prefix_Tree)https://leetcode.com/problems/Implement-Trie-Prefix-Tree/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/208.Implement_Trie_(Prefix_Tree)
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/208.Implement_Trie_(Prefix_Tree)
209.Minimum_Size_Subarray_Sumhttps://leetcode.com/problems/Minimum-Size-Subarray-Sum/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/209.Minimum_Size_Subarray_Sum
210.Course_Schedule_IIhttps://leetcode.com/problems/Course-Schedule-II/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/210.Course_Schedule_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/210.Course_Schedule_II
211.Add_and_Search_Word_-_Data_struc...https://leetcode.com/problems/Add-and-Search-Word---Data-structure-design/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/211.Add_and_Search_Word_-_Data_structure_design
212.Word_Search_IIhttps://leetcode.com/problems/Word-Search-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/212.Word_Search_II
213.House_Robber_IIhttps://leetcode.com/problems/House-Robber-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/213.House_Robber_II
214.Shortest_Palindromehttps://leetcode.com/problems/Shortest-Palindrome/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/214.Shortest_Palindrome
215.Kth_Largest_Element_in_an_Arrayhttps://leetcode.com/problems/Kth-Largest-Element-in-an-Array/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/215.Kth_Largest_Element_in_an_Array
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/215.Kth_Largest_Element_in_an_Array
216.Combination_Sum_IIIhttps://leetcode.com/problems/Combination-Sum-III/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/216.Combination_Sum_III
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/216.Combination_Sum_III
217.Contains_Duplicatehttps://leetcode.com/problems/Contains-Duplicate/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/217.Contains_Duplicate
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/217.Contains_Duplicate
218.The_Skyline_Problemhttps://leetcode.com/problems/The-Skyline-Problem/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/218.The_Skyline_Problem
219.Contains_Duplicate_IIhttps://leetcode.com/problems/Contains-Duplicate-II/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/219.Contains_Duplicate_II
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/219.Contains_Duplicate_II
220.Contains_Duplicate_IIIhttps://leetcode.com/problems/Contains-Duplicate-III/
C++ Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/220.Contains_Duplicate_III
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/220.Contains_Duplicate_III
221.Maximal_Squarehttps://leetcode.com/problems/Maximal-Square/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/221.Maximal_Square
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/221.Maximal_Square
222.Count_Complete_Tree_Nodeshttps://leetcode.com/problems/Count-Complete-Tree-Nodes/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/222.Count_Complete_Tree_Nodes
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/222.Count_Complete_Tree_Nodes
223.Rectangle_Areahttps://leetcode.com/problems/Rectangle-Area/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/223.Rectangle_Area
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/223.Rectangle_Area
224.Basic_Calculatorhttps://leetcode.com/problems/Basic-Calculator/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/224.Basic_Calculator
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/224.Basic_Calculator
225.Implement_Stack_using_Queueshttps://leetcode.com/problems/Implement-Stack-using-Queues/
Java C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/225.Implement_Stack_using_Queues
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/225.Implement_Stack_using_Queues
226.Invert_Binary_Treehttps://leetcode.com/problems/Invert-Binary-Tree/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/226.Invert_Binary_Tree
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/226.Invert_Binary_Tree
227.Basic_Calculator_IIhttps://leetcode.com/problems/Basic-Calculator-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/227.Basic_Calculator_II
228.Summary_Rangeshttps://leetcode.com/problems/Summary-Ranges/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/228.Summary_Ranges
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/228.Summary_Ranges
229.Majority_Element_IIhttps://leetcode.com/problems/Majority-Element-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/229.Majority_Element_II
230.Kth_Smallest_Element_in_a_BSThttps://leetcode.com/problems/Kth-Smallest-Element-in-a-BST/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/230.Kth_Smallest_Element_in_a_BST
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/230.Kth_Smallest_Element_in_a_BST
231.Power_of_Twohttps://leetcode.com/problems/Power-of-Two/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/231.Power_of_Two
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/231.Power_of_Two
232.Implement_Queue_using_Stackshttps://leetcode.com/problems/Implement-Queue-using-Stacks/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/232.Implement_Queue_using_Stacks
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/232.Implement_Queue_using_Stacks
233.Number_of_Digit_Onehttps://leetcode.com/problems/Number-of-Digit-One/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/233.Number_of_Digit_One
234.Palindrome_Linked_Listhttps://leetcode.com/problems/Palindrome-Linked-List/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/234.Palindrome_Linked_List
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/234.Palindrome_Linked_List
235.Lowest_Common_Ancestor_of_a_Bina...https://leetcode.com/problems/Lowest-Common-Ancestor-of-a-Binary-Search-Tree/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/235.Lowest_Common_Ancestor_of_a_Binary_Search_Tree
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/235.Lowest_Common_Ancestor_of_a_Binary_Search_Tree
236.Lowest_Common_Ancestor_of_a_Binary_Treehttps://leetcode.com/problems/Lowest-Common-Ancestor-of-a-Binary-Tree/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/236.Lowest_Common_Ancestor_of_a_Binary_Tree
237.Delete_Node_in_a_Linked_Listhttps://leetcode.com/problems/Delete-Node-in-a-Linked-List/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/237.Delete_Node_in_a_Linked_List
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/237.Delete_Node_in_a_Linked_List
238.Product_of_Array_Except_Selfhttps://leetcode.com/problems/Product-of-Array-Except-Self/
Java Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/238.Product_of_Array_Except_Self
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/238.Product_of_Array_Except_Self
239.Sliding_Window_Maximumhttps://leetcode.com/problems/Sliding-Window-Maximum/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/239.Sliding_Window_Maximum
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/239.Sliding_Window_Maximum
240.Search_a_2D_Matrix_IIhttps://leetcode.com/problems/Search-a-2D-Matrix-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/240.Search_a_2D_Matrix_II
241.Different_Ways_to_Add_Parentheseshttps://leetcode.com/problems/Different-Ways-to-Add-Parentheses/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/241.Different_Ways_to_Add_Parentheses
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/241.Different_Ways_to_Add_Parentheses
242.Valid_Anagramhttps://leetcode.com/problems/Valid-Anagram/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/242.Valid_Anagram
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/242.Valid_Anagram
243.Shortest_Word_Distance $https://leetcode.com/problems/Shortest-Word-Distance/
244.Shortest_Word_Distance_II $https://leetcode.com/problems/Shortest-Word-Distance-II/
245.Shortest_Word_Distance_III $https://leetcode.com/problems/Shortest-Word-Distance-III/
246.Strobogrammatic_Number $https://leetcode.com/problems/Strobogrammatic-Number/
247.Strobogrammatic_Number_II $https://leetcode.com/problems/Strobogrammatic-Number-II/
248.Strobogrammatic_Number_III $https://leetcode.com/problems/Strobogrammatic-Number-III/
249.Group_Shifted_Strings $https://leetcode.com/problems/Group-Shifted-Strings/
250.Count_Univalue_Subtrees $https://leetcode.com/problems/Count-Univalue-Subtrees/
251.Flatten_2D_Vector $https://leetcode.com/problems/Flatten-2D-Vector/
252.Meeting_Rooms $https://leetcode.com/problems/Meeting-Rooms/
253.Meeting_Rooms_II $https://leetcode.com/problems/Meeting-Rooms-II/
254.Factor_Combinations $https://leetcode.com/problems/Factor-Combinations/
255.Verify_Preorder_Sequence_in_Bina... $https://leetcode.com/problems/Verify-Preorder-Sequence-in-Binary-Search-Tree/
256.Paint_House $https://leetcode.com/problems/Paint-House/
257.Binary_Tree_Pathshttps://leetcode.com/problems/Binary-Tree-Paths/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/257.Binary_Tree_Paths
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/257.Binary_Tree_Paths
258.Add_Digitshttps://leetcode.com/problems/Add-Digits/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/258.Add_Digits
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/258.Add_Digits
259.3Sum_Smaller $https://leetcode.com/problems/3Sum-Smaller/
260.Single_Number_IIIhttps://leetcode.com/problems/Single-Number-III/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/260.Single_Number_III
261.Graph_Valid_Tree $https://leetcode.com/problems/Graph-Valid-Tree/
263.Ugly_Numberhttps://leetcode.com/problems/Ugly-Number/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/263.Ugly_Number
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/263.Ugly_Number
264.Ugly_Number_IIhttps://leetcode.com/problems/Ugly-Number-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/264.Ugly_Number_II
265.Paint_House_II $https://leetcode.com/problems/Paint-House-II/
266.Palindrome_Permutation $https://leetcode.com/problems/Palindrome-Permutation/
267.Palindrome_Permutation_II $https://leetcode.com/problems/Palindrome-Permutation-II/
268.Missing_Numberhttps://leetcode.com/problems/Missing-Number/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/268.Missing_Number
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/268.Missing_Number
269.Alien_Dictionary $https://leetcode.com/problems/Alien-Dictionary/
270.Closest_Binary_Search_Tree_Value $https://leetcode.com/problems/Closest-Binary-Search-Tree-Value/
271.Encode_and_Decode_Strings $https://leetcode.com/problems/Encode-and-Decode-Strings/
272.Closest_Binary_Search_Tree_Value_II $https://leetcode.com/problems/Closest-Binary-Search-Tree-Value-II/
273.Integer_to_English_Wordshttps://leetcode.com/problems/Integer-to-English-Words/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/273.Integer_to_English_Words
274.H-Indexhttps://leetcode.com/problems/H-Index/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/274.H-Index
275.H-Index_IIhttps://leetcode.com/problems/H-Index-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/275.H-Index_II
276.Paint_Fence $https://leetcode.com/problems/Paint-Fence/
277.Find_the_Celebrity $https://leetcode.com/problems/Find-the-Celebrity/
278.First_Bad_Versionhttps://leetcode.com/problems/First-Bad-Version/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/278.First_Bad_Version
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/278.First_Bad_Version
279.Perfect_Squareshttps://leetcode.com/problems/Perfect-Squares/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/279.Perfect_Squares
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/279.Perfect_Squares
280.Wiggle_Sort $https://leetcode.com/problems/Wiggle-Sort/
281.Zigzag_Iterator $https://leetcode.com/problems/Zigzag-Iterator/
282.Expression_Add_Operatorshttps://leetcode.com/problems/Expression-Add-Operators/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/282.Expression_Add_Operators
283.Move_Zeroeshttps://leetcode.com/problems/Move-Zeroes/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/283.Move_Zeroes
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/283.Move_Zeroes
284.Peeking_Iteratorhttps://leetcode.com/problems/Peeking-Iterator/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/284.Peeking_Iterator
285.Inorder_Successor_in_BST $https://leetcode.com/problems/Inorder-Successor-in-BST/
286.Walls_and_Gates $https://leetcode.com/problems/Walls-and-Gates/
287.Find_the_Duplicate_Numberhttps://leetcode.com/problems/Find-the-Duplicate-Number/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/287.Find_the_Duplicate_Number
288.Unique_Word_Abbreviation $https://leetcode.com/problems/Unique-Word-Abbreviation/
289.Game_of_Lifehttps://leetcode.com/problems/Game-of-Life/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/289.Game_of_Life
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/289.Game_of_Life
290.Word_Patternhttps://leetcode.com/problems/Word-Pattern/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/290.Word_Pattern
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/290.Word_Pattern
291.Word_Pattern_II $https://leetcode.com/problems/Word-Pattern-II/
292.Nim_Gamehttps://leetcode.com/problems/Nim-Game/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/292.Nim_Game
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/292.Nim_Game
293.Flip_Game $https://leetcode.com/problems/Flip-Game/
294.Flip_Game_II $https://leetcode.com/problems/Flip-Game-II/
295.Find_Median_from_Data_Streamhttps://leetcode.com/problems/Find-Median-from-Data-Stream/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/295.Find_Median_from_Data_Stream
296.Best_Meeting_Point $https://leetcode.com/problems/Best-Meeting-Point/
297.Serialize_and_Deserialize_Binary_Treehttps://leetcode.com/problems/Serialize-and-Deserialize-Binary-Tree/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/297.Serialize_and_Deserialize_Binary_Tree
298.Binary_Tree_Longest_Consecutive_Sequence $https://leetcode.com/problems/Binary-Tree-Longest-Consecutive-Sequence/
299.Bulls_and_Cowshttps://leetcode.com/problems/Bulls-and-Cows/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/299.Bulls_and_Cows
300.Longest_Increasing_Subsequencehttps://leetcode.com/problems/Longest-Increasing-Subsequence/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/300.Longest_Increasing_Subsequence
301.Remove_Invalid_Parentheseshttps://leetcode.com/problems/Remove-Invalid-Parentheses/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/301.Remove_Invalid_Parentheses
302.Smallest_Rectangle_Enclosing_Bla... $https://leetcode.com/problems/Smallest-Rectangle-Enclosing-Black-Pixels/
303.Range_Sum_Query_-_Immutablehttps://leetcode.com/problems/Range-Sum-Query---Immutable/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/303.Range_Sum_Query_-_Immutable
304.Range_Sum_Query_2D_-_Immutablehttps://leetcode.com/problems/Range-Sum-Query-2D---Immutable/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/304.Range_Sum_Query_2D_-_Immutable
305.Number_of_Islands_II $https://leetcode.com/problems/Number-of-Islands-II/
306.Additive_Numberhttps://leetcode.com/problems/Additive-Number/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/306.Additive_Number
307.Range_Sum_Query_-_Mutablehttps://leetcode.com/problems/Range-Sum-Query---Mutable/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/307.Range_Sum_Query_-_Mutable
308.Range_Sum_Query_2D_-_Mutable $https://leetcode.com/problems/Range-Sum-Query-2D---Mutable/
309.Best_Time_to_Buy_and_Sell_Stock_...https://leetcode.com/problems/Best-Time-to-Buy-and-Sell-Stock-with-Cooldown/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/309.Best_Time_to_Buy_and_Sell_Stock_with_Cooldown
310.Minimum_Height_Treeshttps://leetcode.com/problems/Minimum-Height-Trees/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/310.Minimum_Height_Trees
311.Sparse_Matrix_Multiplication $https://leetcode.com/problems/Sparse-Matrix-Multiplication/
312.Burst_Balloonshttps://leetcode.com/problems/Burst-Balloons/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/312.Burst_Balloons
313.Super_Ugly_Numberhttps://leetcode.com/problems/Super-Ugly-Number/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/313.Super_Ugly_Number
314.Binary_Tree_Vertical_Order_Traversal $https://leetcode.com/problems/Binary-Tree-Vertical-Order-Traversal/
315.Count_of_Smaller_Numbers_After_Selfhttps://leetcode.com/problems/Count-of-Smaller-Numbers-After-Self/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/315.Count_of_Smaller_Numbers_After_Self
316.Remove_Duplicate_Lettershttps://leetcode.com/problems/Remove-Duplicate-Letters/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/316.Remove_Duplicate_Letters
317.Shortest_Distance_from_All_Buildings $https://leetcode.com/problems/Shortest-Distance-from-All-Buildings/
318.Maximum_Product_of_Word_Lengthshttps://leetcode.com/problems/Maximum-Product-of-Word-Lengths/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/318.Maximum_Product_of_Word_Lengths
319.Bulb_Switcherhttps://leetcode.com/problems/Bulb-Switcher/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/319.Bulb_Switcher
320.Generalized_Abbreviation $https://leetcode.com/problems/Generalized-Abbreviation/
321.Create_Maximum_Numberhttps://leetcode.com/problems/Create-Maximum-Number/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/321.Create_Maximum_Number
322.Coin_Changehttps://leetcode.com/problems/Coin-Change/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/322.Coin_Change
323.Number_of_Connected_Components_i... $https://leetcode.com/problems/Number-of-Connected-Components-in-an-Undirected-Graph/
324.Wiggle_Sort_IIhttps://leetcode.com/problems/Wiggle-Sort-II/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/324.Wiggle_Sort_II
325.Maximum_Size_Subarray_Sum_Equals_k $https://leetcode.com/problems/Maximum-Size-Subarray-Sum-Equals-k/
326.Power_of_Threehttps://leetcode.com/problems/Power-of-Three/
C++ Python Javahttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/326.Power_of_Three
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/326.Power_of_Three
327.Count_of_Range_Sumhttps://leetcode.com/problems/Count-of-Range-Sum/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/327.Count_of_Range_Sum
328.Odd_Even_Linked_Listhttps://leetcode.com/problems/Odd-Even-Linked-List/
Python C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/328.Odd_Even_Linked_List
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/328.Odd_Even_Linked_List
329.Longest_Increasing_Path_in_a_Matrixhttps://leetcode.com/problems/Longest-Increasing-Path-in-a-Matrix/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/329.Longest_Increasing_Path_in_a_Matrix
330.Patching_Arrayhttps://leetcode.com/problems/Patching-Array/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/330.Patching_Array
331.Verify_Preorder_Serialization_of...https://leetcode.com/problems/Verify-Preorder-Serialization-of-a-Binary-Tree/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/331.Verify_Preorder_Serialization_of_a_Binary_Tree
332.Reconstruct_Itineraryhttps://leetcode.com/problems/Reconstruct-Itinerary/
https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/332.Reconstruct_Itinerary
333.Largest_BST_Subtree $https://leetcode.com/problems/Largest-BST-Subtree/
334.Increasing_Triplet_Subsequencehttps://leetcode.com/problems/Increasing-Triplet-Subsequence/
C++https://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/334.Increasing_Triplet_Subsequence
Noteshttps://patch-diff.githubusercontent.com/illuz/leetcode/blob/master/solutions/334.Increasing_Triplet_Subsequence
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