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 ...
目錄 01矩陣 01 Matrix 思路 Tag 01矩陣 01 Matrix 在一個由 0和1 組成的矩陣mat,輸出一個大小相同的矩陣,其中每個格子是mat中對應位置元素到最近的0的距離。 兩個相鄰元素間的距離是1. 思路 mat是一個m ...
這是悅樂書的第332次更新,第356篇原創 01看題和准備 今天介紹的是LeetCode算法題中Easy級別的第202題(順位題號是867)。給定矩陣A,返回A的轉置。 矩陣的轉置是在其主對角線上翻轉的矩陣,切換矩陣的行和列索引。例如: 輸入:[[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: 這道題讓我們搓一個 ...
讓我們實現稀疏矩陣相乘,稀疏矩陣的特點是矩陣中絕大多數的元素為0,而相乘的結果是還應該是稀疏矩陣,即還 ...
給定一個矩陣,把零值所在的行和列都置為零。例如: 1 2 3 1 0 3 1 1 1 操作之后變為 1 0 3 0 0 0 1 0 1 方法1: 賦值另存一個m*n的矩陣,在原矩陣為零的值相應置新的矩陣行和列為零。額外空間為O(m*n). 方法2: 兩個 ...