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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 c=0,i;
  5.      for(i=1;i<=n;i++)
  6.       {
  7.       	c+=i;
  8.  
  9.       }
  10.  
  11.      return c;
  12. }
  13.  
  14. int main(void) {
  15. 	int a,b;
  16.     a = 10;
  17.     b = sum(a);
  18.     printf("1から%dまでの和は%d", a,b );
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5276KB
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Standard input is empty
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1から10までの和は55
https://ideone.com/2fMowx
language:
C (gcc 8.3)
created:
14 days ago
visibility:
public

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