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

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

LeetCode Solutions by illuz

Updating....

My stupid How to LeetCode.

This is my leetcode solution folder. :)
Language: C++/Java/Python/Sql/Shell Script

If there was something wrong, can contact me at iilluzen in google's email.


Links:

Leetcode Algorithms Problems
Leetcode Database Problems
Leetcode Shell Problems


Problems

There are 333 problems (54 problems for a fee).

I have solved 229 / 279 problems.=w=

# Problems Solutions Note
001 001.Two_Sum Java Python C++       Notes
002 002.Add_Two_Numbers C++ Python Java       Notes
003 003.Longest_Substring_Without_Repeat... Java Python C++       Notes
004 004.Median_of_Two_Sorted_Arrays Java Python C++       Notes
005 005.Longest_Palindromic_Substring Java Python C++       Notes
006 006.ZigZag_Conversion C++ Python Java       Notes
007 007.Reverse_Integer C++ Python Java       Notes
008 008.String_to_Integer C++ Python Java       Notes
009 009.Palindrome_Number Java Python C++       Notes
010 010.Regular_Expression_Matching C++ Python Java       Notes
011 011.Container_With_Most_Water Java Python C++       Notes
012 012.Integer_to_Roman Java Python C++       Notes
013 013.Roman_to_Integer Java Python C++       Notes
014 014.Longest_Common_Prefix C++ Python Java       Notes
015 015.3Sum C++ Python Java       Notes
016 016.3Sum_Closest C++ Python Java       Notes
017 017.Letter_Combinations_of_a_Phone_Number C++ Python Java       Notes
018 018.4Sum C++ Python Java       Notes
019 019.Remove_Nth_Node_From_End_of_List    Python C++       Notes
020 020.Valid_Parentheses C++ Python Java       Notes
021 021.Merge_Two_Sorted_Lists    Python C++       Notes
022 022.Generate_Parentheses C++ Python Java       Notes
023 023.Merge_k_Sorted_Lists Java Python C++       Notes
024 024.Swap_Nodes_in_Pairs    Python C++       Notes
025 025.Reverse_Nodes_in_k-Group      Java C++       Notes
026 026.Remove_Duplicates_from_Sorted_Array           C++       Notes
027 027.Remove_Element           C++       Notes
028 028.Implement_strStr()    Python C++       Notes
029 029.Divide_Two_Integers    Python C++       Notes
030 030.Substring_with_Concatenation_of_...      C++ Java       Notes
031 031.Next_Permutation    Python C++       Notes
032 032.Longest_Valid_Parentheses           C++       Notes
033 033.Search_in_Rotated_Sorted_Array           C++       Notes
034 034.Search_for_a_Range      Java C++       Notes
035 035.Search_Insert_Position           C++       Notes
036 036.Valid_Sudoku           C++       Notes
037 037.Sudoku_Solver           C++       Notes
038 038.Count_and_Say    Python C++       Notes
039 039.Combination_Sum           C++       Notes
040 040.Combination_Sum_II           C++       Notes
041 041.First_Missing_Positive           C++ Coming soon
042 042.Trapping_Rain_Water           C++ Coming soon
043 043.Multiply_Strings           C++ Coming soon
044 044.Wildcard_Matching           C++ Coming soon
045 045.Jump_Game_II           C++ Coming soon
046 046.Permutations       &nbsp

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> Details

PublishedAug 1, 2026
UpdatedSep 17, 2026
Category编程语言
PricingOpen source

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