1. 题目 Given a string containing just the characters ‘(‘ and ‘)’, find the length of th…

问题 给定一个double类型的数组arr, 其中的元素可正, 可负, 可0, 返回子数组累乘的最大乘积. 例如, arr = [-2.5, 4, 0, 3, 0.5, 8, -1], 子数组{3, 0.5, 8}累乘可…

Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Given s = &#…

91. Decode Ways 题目 A message containing letters from A-Z is being encoded to numbers using the following mappi…

  Design a hit counter which counts the number of hits received in the past 5 minutes. Each function acce…

Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers …

问题： Given a sorted array, remove the duplicates in-place such that each element appear only once and return th…

1、题目描述 You are a product manager and currently leading a team to develop a new product. Unfortunately, the lat…

Problem Implement next permutation, which rearranges numbers into the lexicographically next greater permutati…

欢迎fork and star：Nowcoder-Repository-github 122. Best Time to Buy and Sell Stock II 题目 Say you have an array fo…

  Given n nodes labeled from 0 to n - 1 and a list of undirected edges (eac…

  Given two strings representing two complex numbers. You need to return a string representing their mult…