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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. 	// your code goes here
  5. 	int x[2][2]={{1,2},
  6.                {3,4}};
  7.     int y[2][2]={{1,2},
  8.     		   {3,4}};
  9.     int ans[2][2]={0};
  10.     array_mul(x,y,ans);
  11.     for(int i=0;i<2;i++){
  12.     	for(int j=0;j<2;j++){
  13.     		printf("%d",ans[i][j]);
  14.     	}printf("\n");
  15.     }
  16.  
  17. 	return 0;
  18. }
  19. void array_mul( int (*x)[2], int (*y)[2], int (*ans)[2] ){
  20. 	int i,j,k;
  21. 	for(i=0;i<2;i++){
  22. 		for(j=0;j<2;j++){
  23. 			ans[i][j]=0;
  24. 			for(k=0;k<2;k++){
  25. 				ans[i][j]=ans[i][j]+x[i][k]*y[k][j];
  26. 			}
  27. 		}
  28. 	}
  29. }
  30.  
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/oh9TIv
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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