According to the Wikipedia’s article: “The Game of Life, also known simply as&nbs…

  You are given two jugs with capacities x and y litres. There is an infinite amount of water supply avai…

题目描述 Given an array containing n distinct numbers taken from 0, 1, 2, …, n, find the one that is missing from …

100. Same Tree 题目 Given two binary trees, write a function to check if they are the same or not. Two binary tr…

题目地址：https://leetcode-cn.com/probl…题目描述：给出 n 代表生成括号的对数，请你写出一个函数，使其能够生成所有可能的并且有效的括号组合。 例如，给出 n = 3，生成结果为：…

35. Search Insert Position 题目 Given a sorted array and a target value, return the index if the target is found…

  We are playing the Guess Game. The game is as follows:   I pick a number from 1 to …

  Initially on a notepad only one character ‘A’ is present. You can perform two operations on…

  Given a collection of integers that might contain duplicates, S, return all possible subsets. Note…

  Suppose you have a random list of people standing in a queue. Each person is described by a pair of int…

  Given a chemical formula (given as a string), return the count of each atom. An atomic elemen…

  Given a grid where each entry is only 0 or 1, find the number of corner rectangles. A corner recta…