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  • Leetcode 10 - Regular Expression Matching

    Problem Description Given an input string (s) and a pattern (p), impleme...

  • Leetcode 8 - String to Integer (atoi)

    Implement atoi which converts a string to an integer. The function first...

  • Leetcode 7

    Problem DescriptionGiven a 32-bit signed integer, reverse digits of an i...

  • Leetcode 4 - Median of Two Sorted Arrays

    Problem Description There are two sorted arrays nums1 and nums2 of size ...

  • Leetcode 6

    Problem Description The string "PAYPALISHIRING" is written in a zigzag p...

  • Leetcode 5 - Longest Palindromic Substring

    Given a string s, find the longest palindromic substring in s. You may a...

  • Leetcode 3 - Longest Substring Without Repeating Characters

    Problem Description Given a string, find the length of the longest subst...

  • Leetcode 2 - Add Two Numbers

    Problem Description You are given two non-empty linked lists representin...

  • Leetcode 292 - Nim Game

    Problem Description You are playing the following Nim Game with your fri...