matrix-sum.c

#include <stdio.h>

#define N 2

main()
{
    int A[N][N], B[N][N], C[N][N];

    printf("Enter Matrix A (%d x %d) row-wise\n", N, N);

    for(int i=0; i < N; ++i) {
        for(int j = 0; j < N; ++j){
           scanf("%d", &A[j][i]);
        }
    }

    printf("Enter Matrix B (%d x %d) row-wise\n", N, N);

    for(int i=0; i < N; ++i) {
        for(int j = 0; j < N; ++j){
           scanf("%d", &B[i][j]);
        }
    }    

    for(int i=0; i < N; ++i) {
        for(int j = 0; j < N; ++j){
           C[i][j] = A[i][j] + B[i][j];
        }
    }

    printf("Sum of the two matrices A and B\n");

    for(int i=0; i < N; ++i) {
        for(int j = 0; j < N; ++j){
          printf("%6d", C[i][j]);
        }
        printf("\n");
    }
}