Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = [1,2,2,1], …

  Given a list of sorted characters letters containing only lowercase letters, and given a targ…

Sort a linked list using insertion sort. 题目解析： 链表思路不难，但是指针比较麻烦，要细心才行。这道题让我调了半天，原来是一个指针赋错了，因为用的变量p和q，导致很长时间才发现……

问题描述 Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whos…

欢迎fork and star：Nowcoder-Repository-github 115. Distinct Subsequences 题目 Given a string S and a string T, coun…

  Given an unsorted integer array, find the smallest missing positive integer. Example 1: Input: [1,…

  Given an array of integers A and let n to be its length. Assume Bk to be …

  Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are…

1. 题目 Divide two integers without using multiplication, division and mod operator. If it is overflow, return M…

1. 题目 Given a string, find the length of the longest substring without repeating characters. Examples: Given &…

题目地址：https://leetcode-cn.com/probl…题目描述：给定一个没有重复数字的序列，返回其所有可能的全排列。 示例: 输入: [1,2,3]输出:[ [1,2,3], [1,3,2],…

Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is de…