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 ...
A matrix isToeplitzif every diagonal from top left to bottom right has the same element. Now given anM x Nmatrix, returnTrueif and only if the matrix isToeplitz. Example : Example : Note: matrixwill ...
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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 ...
Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell. The distance between two adjacent cells is 1. Example ...
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 ...
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 ...
Given a matrix `A`, return the transpose of `A`. The transpose of a matrix is the matrix flipped over it's main diagonal, switching the row ...