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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.  
  5. int x[2][2]={{1,2},{3,4},};
  6. int y[2][2]={{1,2},{3,4},};
  7. int ans[2][2]={0};
  8.  
  9. array_mul(x,y,ans);
  10. for(int i=0;i<2;i++){
  11.    for(int j=0;j<2;j++){
  12.     printf("%d",ans[i][j]);
  13. 	}
  14. 	printf("\n");
  15. }
  16.  
  17. 	return 0;
  18. }
  19. void array_mul(int(*x)[2],int(*y)[2],int(*ans)[2]){
  20.     for(int i=0;i<2;i++){
  21.  
  22.       for(int j=0;j<2;j++){
  23.       	for(int k=0;k<2;k++){
  24.       		ans[i][j]=x[i][k]*y[k][j];
  25.       		}
  26.       	}
  27.       }
  28.     }
  29.  
  30.  
  31.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/alSd1X
language:
C99 (gcc 8.3)
created:
9 days ago
visibility:
public

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