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  1. #include <stdio.h>
  2. void cal_array(const int (*x)[3], const int (*y)[2], const int (*z)[2], int (*ans)[2]);
  3. void cal_array(const int (*x)[3], const int (*y)[2], const int (*z)[2], int (*ans)[2])
  4. {
  5. for (int i=0; i<2; i++){
  6. 	for (int j=0; j<2; j++){
  7. 		int sum=0;
  8. 		for (int k=0; k<3; k++){
  9. 			sum+=x[i][k]*y[k][j];
  10. 		}
  11. 		ans[i][j]=sum+z[i][j];
  12. 		}
  13. 	}
  14. }
  15.  
  16. int main (void)
  17. {
  18. 	int x[2][3]={{1,2,3}, {4,5,6}};
  19. 	int y[3][2]={{6,5},{4,3}, {2,1}};
  20. 	int z[2][2]={{10,6}, {4,9}};
  21. 	int ans[2][2];
  22. 	cal_array(x, y, z, ans);
  23.  
  24. 	for(int i=0; i<2; i++){
  25. 		for(int j=0; j<2; j++){
  26.  
  27. 	printf("%d ", ans[i][j]);
  28. 		}
  29. 	printf("\n");
  30. 		}
  31. 	return 0;
  32. }
  33.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/RTvdh1
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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