luc066.c

Metadata

• Author — Amit Dutta
• Last updated — 08 Feb 2026
• License — MIT License (See the LICENSE file for details)

Problem Statement

Problem Statement

Write a program to add two 6 x 6 matrices.

Source Code

View on GitHub Download Raw

Printing the code

To print this file, open it on GitHub and click Raw before printing, or use the Download Raw button above and print directly from that page.

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int mat1[6][6], mat2[6][6], sum[6][6];
    int i, j;

    // Initializing matrices with some values automatically 
    // to avoid asking user to enter 72 numbers.
    printf("Initializing two 6x6 matrices with sample data...\n");
    
    for (i = 0; i < 6; i++)
    {
        for (j = 0; j < 6; j++)
        {
            mat1[i][j] = i + j;       // Example data
            mat2[i][j] = i * j;       // Example data
        }
    }

    // Adding matrices
    for (i = 0; i < 6; i++)
    {
        for (j = 0; j < 6; j++)
        {
            sum[i][j] = mat1[i][j] + mat2[i][j];
        }
    }

    printf("\nSum of the two 6x6 matrices:\n");
    for (i = 0; i < 6; i++)
    {
        for (j = 0; j < 6; j++)
        {
            printf("%4d ", sum[i][j]);
        }
        printf("\n");
    }

    return 0;
}