#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] =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];
 
    cal_array(x, y, z, ans);
 
    printf("計算結果:\n");
    for(int i = 0; i < 2; i++) {
        for(int j = 0; j < 2; j++) {
            printf("%4d", ans[i][j]);
        }
        printf("\n");
    }
    return 0;
}

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