#include <stdio.h>
void cal_array(const int (*x)[3], const int (*y)[2], const int (*z)[2], int (*n)[2]) {
int i, j, k;
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
 n[i][j] = 0;
 for (k = 0; k < 3; k++) {
 n[i][j] += x[i][k] * y[k][j];}
            n[i][j] += z[i][j];}
    }
}
 
int main(void) {
    int x[2][3] = {
     {1, 2, 3},
     {4, 5, 6}};
 int y[3][2] = {
        {6, 5},
        {4, 3},
        {2, 1}
    };
 int z[2][2] = {
        {10, 6},
        {4, 9}
    };
 int n[2][2];
 
 cal_array(x, y, z, n);
 
    printf("Result:\n");
    for (int i = 0; i < 2; i++) {
    for (int j = 0; j < 2; j++) {
    printf("%3d ", n[i][j]);
        }
        printf("\n");
    }
 
    return 0;
}