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  1. #include <stdio.h>
  2. void calculate(int (*a)[4]);
  3.  
  4. int main(void) {
  5. 	int a[][4]={
  6. 		{1,2,3,4},
  7. 		{5,6,7,8},
  8. 		{9,10,11,12},
  9. 	};
  10.  
  11. 	calculate(a);
  12. 	return 0;
  13. }
  14.  
  15. void calculate(int (*a)[4]){
  16. 	int sum;
  17.  
  18. 	for(int i=0; i<3;i++){
  19. 		sum=0;
  20. 		for(int j=0;j<4;j++){
  21. 			sum+=a[i][j];
  22. 		}
  23.  
  24. 		printf("%d行目の和は%dです\n",i+1,sum);
  25.  
  26. 	}
  27. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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1行目の和は10です
2行目の和は26です
3行目の和は42です
https://ideone.com/Tl299p
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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