Problem I have recently solved the following Project Euler problem: In the 20×20 grid below, four numbers along a diagonal […]
Tag: matrix
Spiral filling an existing matrix in their respective positions in descending order efficiently
Problem Question: Sort the boundary elements in descending order using any standard sorting technique and rearrange them in the matrix. […]
Eigenvalue calculation for a Java matrix library [closed]
Problem Closed. This question is off-topic. It is not currently accepting answers. Questions containing broken code or asking for advice […]
Finding the largest product of four consecutive numbers in a grid
Problem Project Euler #11 asks to find the largest product of four numbers of a grid, where the four numbers […]
Create a matrix where if an element in an M×N matrix is 0, its entire row and column are set to 0
Problem How is my implementation? Are there improvements I can make to the variable names or any edge cases I […]
Simple implementation of nxn Dense Matrix in Java
Problem So far this is what I have completed. Still working on these two methods boolean isIdentityMatrix(DenseMatrix matrix); boolean isInvertible(DenseMatrix […]
Finding valid path on 2D Grid
Problem I got a 2D grid (n x n matrix). The user selects his player in this 2D grid and […]
Search/match algorithm between 2 vectors [closed]
Problem Closed. This question is off-topic. It is not currently accepting answers. Questions must involve real code that you own […]
Matrix of checkboxes – only 1 allowed in a row
Problem Task Create a matrix of checkboxes. The user must be able to select only 1 checkbox in a row […]
Matrix transposition of a string
Problem Per a Reddit Daily Programming Challenge, I am performing a matrix transposition on a string using JavaScript. Example input: […]