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

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!