Design a class matrix which contains a two-dimensional array of order (m x m) and check if the sum of the left diagonal is equal to the sum of the right diagonal.
Understand the Problem
The question is asking us to design a class that represents a matrix as a two-dimensional array of size m x m. Additionally, we need to implement a method to check if the sum of the left diagonal (from the top left to the bottom right) is equal to the sum of the right diagonal (from the top right to the bottom left).
Answer
Create a class `Matrix` to compare diagonal sums in a square matrix.
To solve the problem, create a class Matrix
with a method to calculate and compare the sums of the left and right diagonals of a 2D square matrix.
Answer for screen readers
To solve the problem, create a class Matrix
with a method to calculate and compare the sums of the left and right diagonals of a 2D square matrix.
More Information
A square matrix has two diagonals: the principal (left-to-right) and the secondary (right-to-left). To solve this problem, iterate over the matrix and sum the diagonals within a method of the Matrix
class to check if their sums are equal.
Tips
Common mistakes include incorrectly defining the diagonals or miscalculating indices in the matrix.
Sources
- Finding the sum of right diagonal elements of a square matrix - coderanch.com
- Efficiently compute sums of diagonals of a matrix - GeeksforGeeks - geeksforgeeks.org
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