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  1. #include <stdio.h>
  2.  
  3. void calculate(int (*a)[4]);
  4.  
  5. int sum[3];
  6.  
  7. int main(void){
  8. 	int a[3][4]={
  9. 		{1,2,3,4},
  10. 		{5,6,7,8},
  11. 		{9,10,11,12}
  12. 	};
  13.  
  14. 	calculate(a);
  15.  
  16. 	for(int i=0;i<3;i++){
  17. 		printf("a[%d]行目の合計:%d\n",i,sum[i]);
  18. 	}
  19.  
  20. 	return 0;
  21. }
  22.  
  23. void calculate(int (*a)[4]){
  24. 	for (int i=0;i<3;i++){
  25. 		sum[i]=0;
  26.  
  27. 		for (int j=0;j<4;j++){
  28. 			sum[i]+=a[i][j];
  29. 		}
  30. 	}
  31. }
  32.  
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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a[0]行目の合計:10
a[1]行目の合計:26
a[2]行目の合計:42
https://ideone.com/odFBna
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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