Given a sequence of n integers a1, a2, …, an, a 132 pattern is a subsequence ai, aj, ak such…

Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are +, -, *, /. Each…

H-Index I Given an array of citations (each citation is a non-negative integer) of a researcher, write a funct…

1. 题目 Given a string S and a string T, find the minimum window in S which will contain all the characters in T…

1 题目描述 You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Not…

题目描述 地上有一个m行和n列的方格。一个机器人从坐标0,0的格子开始移动，每一次只能向左，右，上，下四个方向移动一格，但是不能进入行坐标和列坐标的数位之和大于k的格子。 例如，当k为18时，机器人能够进入方格（35,3…

欢迎关注本人博客：云端筑梦师 题目: Given n points in the plane that are all pairwise distinct, a “boomerang” is a …

这是悦乐书的第297次更新，第316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165题（顺位题号是704）。给定n个元素的排序（按升序）整数数组nums和目标值，编写一个函数来搜索nu…

32. Longest Valid Parentheses 题目 Given a string containing just the characters '(' and ')', find the length of…

14. Longest Common Prefix 题目 Write a function to find the longest common prefix string amongst an array of str…

欢迎fork and star：Nowcoder-Repository-github 148. Sort List 题目 Sort a linked list in O(n log n) time using const…

  Given an array nums, there is a sliding window of size k which is moving from the very l…