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  1. #include <stdio.h>
  2.  
  3. void array_mul(int (*x)[2],int (*y)[2],int (*ans)[2]);
  4. void disp(int (*ans)[2]);
  5.  
  6. int main(void) {
  7.  
  8. 	int x[2][2] = {{1,2},{3,4}};
  9. 	int y[2][2] = {{1,2},{3,4}};
  10. 	int ans[2][2] = {0};
  11.  
  12. 	array_mul(x,y,ans);
  13. 	disp(ans);
  14.  
  15. 	return 0;
  16. }
  17.  
  18. void array_mul(int (*x)[2],int (*y)[2],int (*ans)[2]){
  19.  
  20. 	for(int i=0;i<2;i++){
  21.  
  22. 		for(int j=0;j<2;j++){
  23.  
  24. 			ans[i][j] = x[i][j]*y[j][i];
  25. 		}
  26. 	}
  27. }
  28.  
  29. void disp(int (*ans)[2]){
  30.  
  31. 	for(int i=0;i<2;i++){
  32.  
  33. 		for(int j=0;j<2;j++){
  34.  
  35. 			printf("%d ",ans[i][j]);
  36. 		}
  37.  
  38. 	printf("\n");
  39. 	}
  40. }
  41.  
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/M3OnoG
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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