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  1. #include <stdio.h>
  2.  
  3. void array_mul(int(*x)[2],int(*y)[2],int(*ans)[2]){
  4. 	printf("mul\n");
  5. 	for(int i=0;i<2;i++){
  6. 		for(int j=0;j<2;j++){
  7. 			ans[i][j]=0;
  8. 			for(int p=0;p<2;p++){
  9. 				ans[i][j]=ans[i][j]+x[i][p]*y[p][j];
  10. 			}
  11. 			printf("%d ",ans[i][j]);
  12. 		}
  13. 		printf("\n");
  14. 	}
  15. }
  16.  
  17. int main(void) {
  18. 	// your code goes here
  19. 	int x[2][2]={{1,2},{3,4}};
  20. 	int y[2][2]={{1,2},{3,4}};
  21. 	int ans[2][2]={0};
  22.  
  23. 	array_mul(x,y,ans);
  24.  
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
mul
7 10 
15 22
https://ideone.com/R3EYre
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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