Compare two version numbers version1 and version2. If version1 > version2 return 1, if version1 < versio…

  Given a binary tree, find the length of the longest consecutive sequence path.   The path refers t…

  Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Ea…

题目描述 Given two strings s and t, write a function to determine if t is an anagram of s. For example, s = “anagr…

Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times.Note: The algorithm sh…

Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example…

Given n non-negative integers representing the histogram’s bar height where the width of each …

这是悦乐书的第211次更新，第224篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第79题（顺位题号是374）。我们正在玩数字游戏。 游戏如下：我从1到n中选择一个数字。 你必须猜测我选择了…

Hard 这个题 我一开始没想到用Priority Queue, 想的是每次遍历整个lists找最小的来接上。其实思路本质上是一样的，但太麻烦而且说明你对priority queue不熟。吓得我赶紧做implement …

欢迎fork and star：Nowcoder-Repository-github 103. Binary Tree Zigzag Level Order Traversal 题目 Given a binary tre…

104. Maximum Depth of Binary Tree 题目 Given a binary tree, find its maximum depth. The maximum depth is the num…

  Equations are given in the format A / B = k, where A and B are variables repre…