Given a data stream input of non-negative integers a1, a2, …, an, …, summarize the numbers …

  Compare two version numbers version1 and version2.If version1 > versio…

  Given a non-empty binary search tree and a target value, find k values in the BST that are cl…

  A group of friends went on holiday and sometimes lent each other money. For example, Alice paid for Bil…

Majority Element I Given an array of size n, find the majority element. The majority element is the element th…

题目 给定一个无序的整数数组，找到其中最长上升子序列的长度。 示例: 输入: [10,9,2,5,3,7,101,18] 输出: 4 解释: 最长的上升子序列是 [2,3,7,101]，它的长度是 4。 说明: 可能会有…

4. Median of Two Sorted Arrays 题目 There are two sorted arrays nums1 and nums2 of size m and n respectively. Fi…

  Given a sorted array of integers nums and integer values a, b and c. Apply a function of the form f(x) …

题目描述 Given an unsorted array of integers, find the length of longest increasing subsequence. For example, Give…

题目地址：https://leetcode-cn.com/probl… 题目描述：实现获取下一个排列的函数，算法需要将给定数字序列重新排列成字典序中下一个更大的排列。 如果不存在下一个更大的排列，则将数字重新…

55. Jump Game 题目 Given an array of non-negative integers, you are initially positioned at the first index of t…

  Write a function to find the longest common prefix string amongst an array of strings. If there is no c…