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[LeetCode] 1253. Reconstruct a 2-Row Binary Matrix 重构 2 行二进制矩阵

Given the following details of a matrix with n columns and 2 rows : The matrix is a binary matrix, which means each element in the matrix can be 0 or 1. The sum of elements of the 0-th(upper) row is given as upper. The sum of elements of the 1-st(lo

[LeetCode] 1605. Find Valid Matrix Given Row and Column Sums

You are given two arrays rowSum and colSum of non-negative integers where rowSum[i] is the sum of the elements in the ith row and colSum[j] is the sum of the elements of the jth column of a 2D matrix. In other words, you do not know the elements o

[LeetCode] 1253. Reconstruct a 2-Row Binary Matrix

Given the following details of a matrix with n columns and 2 rows : The matrix is a binary matrix, which means each element in the matrix can be 0 or 1. The sum of elements of the 0-th(upper) row is given as upper. The sum of elements of the 1-st(low

LeetCode 5518. 给定行和列的和求可行矩阵

地址 https://leetcode-cn.com/problems/find-valid-matrix-given-row-and-column-sums/ 给你两个非负整数数组 rowSum 和 colSum ， 其中 rowSum[i] 是二维矩阵中第 i 行元素的和， colSum[j] 是第 j 列元素的和。 换言之你不知道矩阵里的每个元素，但是你知道每一行和每一