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  1. #include <stdio.h>
  2. void array_mul( int (*x)[2], int (*y)[2], int (*ans)[2] );
  3. int main(void) {
  4. 	int ans[2][2];
  5. 	int x[2][2]={1,2,3,4};
  6. 	int y[2][2]={1,2,3,4};
  7. 	array_mul(x,y,ans);
  8. 	return 0;
  9. }
  10. void array_mul( int (*x)[2], int (*y)[2], int (*ans)[2] ){
  11. 	for(int i=0;i<2;i++){
  12. 		for(int j=0;j<2;j++){
  13. 			ans[i][j]=x[i][0]*y[0][j]+x[i][1]*y[1][j];
  14. 			printf("%d ",ans[i][j]);
  15. 		}
  16. 		printf("\n");
  17. 	}
  18. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/R5HU37
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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