In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original ...
Given a matrix consists of and , find the distance of the nearest for each cell. The distance between two adjacent cells is . Example :Input: Output: Example :Input: Output: Note: The number of eleme ...
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In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original ...
目录 01矩阵 01 Matrix 思路 Tag 01矩阵 01 Matrix 在一个由 0和1 组成的矩阵mat,输出一个大小相同的矩阵,其中每个格子是mat中对应位置元素到最近的0的距离。 两个相邻元素间的距离是1. 思路 mat是一个m ...
这是悦乐书的第332次更新,第356篇原创 01看题和准备 今天介绍的是LeetCode算法题中Easy级别的第202题(顺位题号是867)。给定矩阵A,返回A的转置。 矩阵的转置是在其主对角线上翻转的矩阵,切换矩阵的行和列索引。例如: 输入:[[1,2,3],[4,5,6],[7,8,9 ...
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix ...
A matrix is Toeplitz if every diagonal from top-left to bottom-right has the same element. Now given an M x N matrix, return True if and only ...
Given a matrix of m x n elements (m rows, ncolumns), return all elements of the matrix in spiral order. Example 1: Example 2: 这道题让我们搓一个 ...
让我们实现稀疏矩阵相乘,稀疏矩阵的特点是矩阵中绝大多数的元素为0,而相乘的结果是还应该是稀疏矩阵,即还 ...
给定一个矩阵,把零值所在的行和列都置为零。例如: 1 2 3 1 0 3 1 1 1 操作之后变为 1 0 3 0 0 0 1 0 1 方法1: 赋值另存一个m*n的矩阵,在原矩阵为零的值相应置新的矩阵行和列为零。额外空间为O(m*n). 方法2: 两个 ...