#include <stdio.h>

void cal_array(const int (*x)[3], const int (*y)[2], const int (*z)[2], int (*ans)[2]) {
    int i, j, k;
    for (i = 0; i < 2; i++) {
        for (j = 0; j < 2; j++) {
            ans[i][j] = 0;
            for (k = 0; k < 3; k++) {
                ans[i][j] += x[i][k] * y[k][j];
            }
            ans[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 ans[2][2];
    int i, j;
    
    cal_array(x, y, z, ans);
    
    printf("計算結果 ans =\n");
    for (i = 0; i < 2; i++) {
        for (j = 0; j < 2; j++) {
            printf("%d ", ans[i][j]);
        }
        printf("\n");
    }
    
    return 0;
}