菜鸟很菜的专栏

题目链接：https://leetcode.com/problems/two-sum/ 题目： Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would ha

题目链接：https://leetcode.com/problems/add-two-numbers/ 题目： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain

题目链接：https://leetcode.com/problems/longest-substring-without-repeating-characters/ 题目： Given a string, find the length of the longest substring without repeating characters. Examples: Gi

题目链接：https://leetcode.com/problems/median-of-two-sorted-arrays/ 题目： There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall

题目链接：https://leetcode.com/problems/longest-palindromic-substring/ 题目： Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, an