تحديات برمجيةالتحدي الخامس - حل التمرين الخامس بلغة C

#include <stdio.h>

void main() {
    
    int rows = 3;
    int cols = 3;
    int matrix[rows][cols];
    int sumOnDiagonals = 0;
    int sumAboveDiagonals = 0;
    int sumUnderDiagonals = 0;
    
    for (int i = 0; i < rows; i++)
    {
        for (int j = 0; j < cols; j++)
        {
            printf("Enter matrix[%d][%d]: ", i, j);
            scanf("%d", &matrix[i][j]);
        }
    }
    
    for (int i = 0; i < rows; i++)
    {
        for (int j = 0; j < cols; j++)
        {
            if (j > i)
            {
                sumAboveDiagonals += matrix[i][j];
            }
            else if (j < i)
            {
                sumUnderDiagonals += matrix[i][j];
            }
            else
            {
                sumOnDiagonals += matrix[i][j];
            }
        }
    }
    
    printf("\nNumber of elements above diagonals: %d", sumAboveDiagonals);
    printf("\nNumber of elements under diagonals: %d", sumUnderDiagonals);
    printf("\nNumber of elements on diagonals: %d", sumOnDiagonals);
    
}