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  1. #include <stdio.h>
  2.  
  3. void calculate(int(*a)[4]){
  4. 	int sum[3]={0};  //全要素の初期化
  5. 	for(int i=0;i<=2;i++){
  6. 		for(int j=0;j<=3;j++){
  7. 			sum[i]=sum[i]+a[i][j];
  8. 		}
  9. 	}
  10.  
  11. 	for(int i=0;i<=2;i++){
  12. 		printf("%d行目の和は%d\n",i+1,sum[i]);
  13. 	}
  14. }
  15.  
  16. int main(void) {
  17. 	int a[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
  18. 	calculate(a);
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5320KB
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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
2行目の和は26
3行目の和は42
https://ideone.com/lbScPR
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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