1603. Design Parking System-设计停车系统
Design a parking system for a parking lot. The parking ... » 阅读全文
Design a parking system for a parking lot. The parking ... » 阅读全文
The Leetcode file system keeps a log each time some use... » 阅读全文
You are given a string text of words that are placed am... » 阅读全文
Given an array of positive integers arr, calculate the ... » 阅读全文
Given a rows x cols matrix mat, where mat[i][j] is eith... » 阅读全文
Given a string s containing only lower case English let... » 阅读全文
Given a square matrix mat, return the sum of the matrix... » 阅读全文
Given an array of positive integers arr, find a patter... » 阅读全文
Given an integer n and an integer array rounds. We have... » 阅读全文
Given an integer n, add a dot (".") as the th... » 阅读全文