MatEquality.c

// C Program to accept two matrices and check if they are equal
#include <stdio.h>
#include <stdlib.h>
 
void main() 
    {
        int a[10][10], b[10][10];
        int i, j, row1, column1, row2, column2, flag = 1;
 
        printf("Enter the order of the matrix A \n");
        scanf("%d %d", &row1, &column1);
 
        printf("Enter the order of the matrix B \n");
        scanf("%d %d", &row2, &column2);
 
        printf("Enter the elements of matrix A \n");
        for (i = 0; i < row1; i++)
        {
            for (j = 0; j < column1; j++) 
            {
                scanf("%d", &a[i][j]);
            }
        }
 
        printf("Enter the elements of matrix B \n");
        for (i = 0; i < row2; i++) 
        {
            for (j = 0; j < column2; j++)
            {
                scanf("%d", &b[i][j]);
            }
        }
 
        printf("MATRIX A is \n");
        for (i = 0; i < row1; i++)
        {
            for (j = 0; j < column1; j++) 
            {
                printf("%3d", a[i][j]);
            }
            printf("\n");
        }
 
        printf("MATRIX B is \n");
        for (i = 0; i < row2; i++)
        {
            for (j = 0; j < column2; j++) 
            {
                printf("%3d", b[i][j]);
            }
            printf("\n");
        }
 
        // Comparing two matrices for equality
        if (row1 == row2 && column1 == column2)
        {
            printf("Matrices can be compared \n");
            for (i = 0; i < row1; i++) 
            {
                for (j = 0; j < column2; j++)
                {
                    if (a[i][j] != b[i][j])
                    {
                        flag = 0;
                        break;
                    }
                 }
            }
        }
 
        else 
        {
            printf(" Cannot be compared\n");
            exit(1);
        }
        if (flag == 1)
            printf("Two matrices are equal \n");
        else
            printf("But, two matrices are not equal \n");
    }