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  1. #include <stdio.h>
  2. void array_mil(int(*x)[2],int(*y)[2],int (*ans)[2]);
  3.  
  4. int main(void) {
  5. 	int x[2][2]={{1,2},{3,4}};
  6. 	int y[2][2]={{1,2},{3,4}};
  7. 	int ans[2][2];
  8. 	array_mil(x,y,ans);
  9. 	return 0;
  10. }
  11. void array_mil(int (*x)[2],int(*y)[2],int (*ans)[2]){
  12. 	for(int i=0;i<2;i++){
  13. 		for(int j=0;j<2;j++){
  14. 			ans[i][j]=0;
  15. 			for(int k=0;k<2;k++){
  16. 				ans[i][j]+=x[i][k]*y[k][j];
  17. 			}
  18. 		}
  19. 	}
  20. 	for (int i=0;i<2;i++){
  21.       for (int j=0;j<2;j++){
  22.        printf("%d ",ans[i][j]);
  23.         }
  24.       printf("\n");
  25. 	}
  26. }
  27.  
  28.  
Success #stdin #stdout 0.01s 5332KB
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https://ideone.com/4kWMVy
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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