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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.  
  4. int main(void)
  5. {
  6. 	int x[2][3]={{1,2,3},{4,5,6}};
  7. 	int y[3][2]={{6,5},{4,3},{2,1}};
  8. 	int z[2][2]={{10,6},{4,9}};
  9. 	int ans[2][2]={0};
  10. 	cal_array (x,y,z,ans);
  11. 	printf("計算結果 ans:\n");
  12.     for (int i = 0; i < 2; i++) {
  13.         for (int j = 0; j < 2; j++) {
  14.             printf("%d ", ans[i][j]);
  15.         }
  16.         printf("\n");
  17.     }
  18. 	return 0;
  19. }
  20.  
  21. void cal_array(const int (*x)[3],const int (*y)[2],const int (*z)[2],int (*ans)[2])
  22. {
  23. 	int cross[2][2]={0};
  24. 	for(int i=0;i<2;i++)
  25. 	{
  26. 		for(int j=0;j<2;j++)
  27. 		{
  28.             for (int k=0;k<3;k++)
  29.             {
  30.                 cross[i][j]+=x[i][k]*y[k][j];
  31.             }
  32.             ans[i][j]=cross[i][j]+z[i][j];
  33. 		}
  34. 	}
  35. }
  36.  
Success #stdin #stdout 0s 5316KB
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Standard input is empty
stdout
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計算結果 ans:
30 20 
60 50
https://ideone.com/mL9ejR
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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