Source Code to Add Two Matrix in C programming

Source Code to Add Two Matrix in C programming

#include <stdio.h>
int main(){
    int r,c,a[100][100],b[100][100],sum[100][100],i,j;
    printf("Enter number of rows (between 1 and 100): ");
    scanf("%d",&r);
    printf("Enter number of columns (between 1 and 100): ");
    scanf("%d",&c);
    printf("\nEnter elements of 1st matrix:\n");

/* Storing elements of first matrix entered by user. */

    for(i=0;i<r;++i)
       for(j=0;j<c;++j)
       {
           printf("Enter element a%d%d: ",i+1,j+1);
           scanf("%d",&a[i][j]);
       }

/* Storing elements of second matrix entered by user. */

    printf("Enter elements of 2nd matrix:\n");
    for(i=0;i<r;++i)
       for(j=0;j<c;++j)
       {
           printf("Enter element a%d%d: ",i+1,j+1);
           scanf("%d",&b[i][j]);
       }

/*Adding Two matrices */

   for(i=0;i<r;++i)
       for(j=0;j<c;++j)
           sum[i][j]=a[i][j]+b[i][j];

/* Displaying the resultant sum matrix. */

    printf("\nSum of two matrix is: \n\n");
    for(i=0;i<r;++i)
       for(j=0;j<c;++j)
       {
           printf("%d   ",sum[i][j]);
           if(j==c-1)
               printf("\n\n");
       }

    return 0;
}

Output

Enter element a12: -4
Enter element a21: 8
Enter element a22: 5
Enter element a31: 1
Enter element a32: 0
Enter elements of 2nd matrix:
Enter element a11: 4
Enter element a12: -7
Enter element a21: 9
Enter element a22: 1
Enter element a31: 4
Enter element a32: 5

Sum of two matrix is:

8   -11

17   6

5