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  1. #include <stdio.h>
  2. //課題B-1: 1からnまでの和を求めるコードを完成させてください
  3. int sum(int n){
  4. 	int i;
  5. 	int result=0;
  6.  
  7. 		for(i=1;i<=n;i++){
  8. 			result+=i;
  9. 		}
  10. 	return result;
  11. }
  12.  
  13. int main(void) {
  14. 	int a,b;
  15.     a = 3;
  16.     b = sum(a);
  17.     printf("1から%dまでの和は%d", a,b );
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5284KB
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Standard input is empty
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1から3までの和は6
https://ideone.com/QSqqS9
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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