C Program to subtract two matrix

Program

#include<stdio.h>
#include<stdlib.h>
void main()
{
	int mat1[10][10], mat2[10][10], res[10][10];
	int row1, col1, row2, col2;
	int i, j;
	printf("Enter the number of rows of matrix 1 : ");
	scanf("%d", &row1);
	printf("Enter the number of cols of matrix 1 : ");
	scanf("%d", &col1);
	printf("Enter the number of rows of matrix 2 : ");
	scanf("%d", &row2);
	printf("Enter the number of cols of matrix 2 : ");
	scanf("%d", &col2);
	if (row1 != row2 || col1 != col2)
	{
		printf("Order of two matrices is not same\n");
		exit(0);
	}
	printf("Enter %d elements for matrix 1:\n", row1 * col1);
	for (i = 0; i < row1; i++)
	{
		for (j = 0; j < col1; j++)
		{
			scanf("%d", &mat1[i][j]);
		}
	}
	printf("Enter %d elements for matrix 2:\n", row2 * col2);
	for (i = 0; i < row2; i++)
	{
		for (j = 0; j < col2; j++)
		{
			scanf("%d", &mat2[i][j]);
		}
	}
	for (i = 0; i < row1; i++)
	{
		for (j = 0; j < col1; j++)
		{
			res[i][j] = mat1[i][j] - mat2[i][j];
		}
	}
	printf("The result of subtraction of two matrices is :\n");
	for (i = 0; i < row1; i++)
	{
		for (j = 0; j < col1; j++)
		{
			printf("%d\t", res[i][j]);
		}
		printf("\n");
	}
}

Output 1

Enter the number of rows of matrix 1 : 2
Enter the number of cols of matrix 1 : 2
Enter the number of rows of matrix 2 : 2
Enter the number of cols of matrix 2 : 2
Enter 4 elements for matrix 1:
34
22
12
86
Enter 4 elements for matrix 2:
4 
12
22
77
The result of subtraction of two matrices is :
30	10	
-10	9

Output 2

Enter the number of rows of matrix 1 : 3
Enter the number of cols of matrix 1 : 3
Enter the number of rows of matrix 2 : 4
Enter the number of cols of matrix 2 : 5
Order of two matrices is not same