#include <stdio.h>
void cal_array(const int(*x)[3],const int(*y)[2],const int(*z)[2],int(*ans)[2])
{
	int a,b,c;
	for(a=0;a<2;a++){
		for(b=0;b<2;b++){
			ans[a][b]=0;
			for(c=0;c<3;c++){
				ans[a][b]+=x[a][c]*y[c][b];
			}
			ans[a][b]+=z[a][b];
		}
	}
}
 
int main(void) {
	const int x[2][3]={ {1,2,3},{4,5,6} },y[3][2]={ {6,5},{4,3},{2,1} };
	const int z[2][2]={ {10,6},{4,9} };
	int ans[2][2];
	cal_array(x,y,z,ans);
	int d,e;
	for(d=0;d<2;d++){
		for(e=0;e<2;e++){
			printf("%d ",ans[d][e]);
		}
	}
 
	// your code goes here
	return 0;
}
 
 

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