1958. 检查操作是否合法 Check if Move is Legal 力扣 LeetCode 题解 07:01 3101. 交替子数组计数 Count Alternating Subarrays 力扣 LeetCode 题解 05:58 3033. 修改矩阵 Modify the Matrix 力扣 LeetCode 题解 03:48 3086. 拾起 K 个 1 需要的最少行动次数 Minimum Moves to Pick K Ones 力扣 Le...
原题链接在这里:https://leetcode.com/problems/matrix-block-sum/ 题目: Given am x nmatrixmatand an integerk, returna matrixanswerwhere eachanswer[i][j]is the sum of all elementsmat[r][c]for: i - k <= r <= i + k, j - k <= c <= j + k, and (r, c)is a valid positio...
1 <= mat[i][j] <= 5000 mat[i]is a non decreasing array. Extended problem of[LeetCode 373] Find K Pairs with Smallest Sums. Divide and conquer, then merge results by using the same approach in LeetCode 373. classSolution {publicintkthSmallest(int[][] mat,intk) {int[] topK = co...
Input: matrix = [[1,-1],[-1,1]] Output: 4 Explanation: We can follow the following steps to reach sum equals 4: - Multiply the 2 elements in the first row by -1. - Multiply the 2 elements in the first column by -1. Example 2: Input: matrix = [[1,2,3],[-1,-2,-3],...
self.sum[0][i] = self.sum[0][i - 1] + matrix[0][i] # 初始化第一列 for i in range(1, self.row): self.sum[i][0] = self.sum[i - 1][0] + matrix[i][0] # 填充矩阵的每一个位置 for i in range(1, self.row): ...
Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k. Example: Note: The rectangle ins...leetcode题解-363. Max Sum of Rectangle No Larger Than K 题目: 这是binary-search里面的hard难度的题目,确实...
[LeetCode] 304. Range Sum Query 2D - Immutable 原题链接: https://leetcode.com/problems/range-sum-query-2d-immutable/ Range Sum专题相关题目 303. Range Sum Query - Immutable 304. Range Sum Query 2D - Immutable 1. 题目介绍 Given a 2D matrix matrix, find the sum of......
[LintCode] Submatrix Sum 子矩阵之和 Given an integer matrix, find a submatrix where the sum of numbers is zero. Your code should return ... 随机推荐 【转载】在LoadRunner向远程Linux/Unix执行命令行并收集性能数据 前面介绍过在LoadRunner的Java协议实现“使用SSH连接Linux”,当然连接之后的故事由你主...
Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k. Example: Input: matrix = [[1,0,1],[0,-2,3]], k = 2 Output: 2 Explanation: Because the sum of rectangle [[0, 1], [-2, 3]] is...
Can you solve this real interview question? Maximum Matrix Sum - You are given an n x n integer matrix. You can do the following operation any number of times: * Choose any two adjacent elements of matrix and multiply each of them by -1. Two elements