题:https://leetcode.com/problems/maximal-square/description/ #题目 Given a 2D binary matrix filled with 0’s and 1’s, find the largest square containing only 1’s and return its area. Example: Input:
题目内容 https://leetcode-cn.com/problems/maximal-square/ Given a 2D binary matrix filled with 0's and 1's, find the largest square containing only 1's and return its area. Example:Input: 1 0 1 0 01 0
示例 3: 输入:matrix = [["0"]]输出:0 # 最大正方形面积def max_square(matrix):m = len(matrix)n = len(matrix[0])if m == 0 or n == 0::return Nonemax_side = 1dp = [[0] * (n + 1) for _ in range(m + 1)]for i in rang
An elevation of a collection of buildings is an orthogonal projection of the buildings onto a vertical plane. An external elevation of a city would show the skyline and the faces of the “visible” bu
题目描述 Sample Input 3 1 2 2 3 3 1 Sample Output Copy 2 2 0 题目大意 先输入数字N,代表有N个注册者,然后接下来有N行,每一行有两个数字 A i , B i A_i,B_i Ai,Bi, A i A_i Ai代表第 i i i个使用者的第一次登录的时间, B i B_i Bi代表第 i i i个使用者连续登录的天数。输出