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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. 	//積
  4. 	for(int i=0;i<3;i++){
  5. 		ans[0][0]=ans[0][0]+x[0][i]*y[i][0];
  6. 		ans[0][1]=ans[0][1]+x[0][i]*y[i][1];
  7. 	}
  8. 	for(int i=0;i<3;i++){
  9. 		ans[1][0]=ans[1][0]+x[1][i]*y[i][0];
  10. 		ans[1][1]=ans[1][1]+x[1][i]*y[i][1];
  11. 	}
  12. 	for(int i=0;i<2;i++){
  13. 		for(int j=0;j<2;j++){
  14. 			ans[i][j]=ans[i][j]+z[i][j];
  15. 		}
  16. 	}
  17.  
  18. }
  19.  
  20. int main(void) {
  21. 	const int x[2][3]={{1,2,3},{4,5,6}};
  22. 	const int y[3][2]={{6,5},{4,3},{2,1}};
  23. 	const int z[2][2]={{10,6},{4,9}};
  24. 	int ans[2][2]={0};
  25. 	cal_array(x,y,z,ans);
  26. 	printf("ans:\n");
  27. 	for(int i=0;i<2;i++){
  28. 		for(int j=0;j<2;j++){
  29. 			printf("%2d ",ans[i][j]);
  30. 		}
  31. 		printf("\n");
  32. 	}
  33. 	return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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ans:
30 20 
60 50
https://ideone.com/06Gact
3Q-4 @
language:
C99 (gcc 8.3)
created:
3 days ago
visibility:
public

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