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

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