欢迎fork and star：Nowcoder-Repository-github 133. Clone Graph 题目 Clone an undirected graph. Each node in the gra…

  Say you have an array for which the ith element is the price of a given stock on day i. …

  Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by…

  Given an array nums, write a function to move all 0‘s to the end of it while maintainin…

  Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flo…

You are playing the following Bulls and Cows game with your friend: You write down a number and ask your frien…

  Given a string s and a string t, check if s is subsequence of t. You may …

  LeetCode wants to give one of its best employees the option to travel among N cities to colle…

  Given a non-empty binary tree, return the average value of the nodes on each level in the form of an ar…

  A Tic-Tac-Toe board is given as a string array board. Return True if and only if it is possible to…

题目： Given a linked list, reverse the nodes of a linked list k at a time and return its modified list…

题目描述 Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to t…