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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 total = 0;
  5. int i;
  6.  for(i=1;i<=n;i++){
  7. total=total+i;
  8.  
  9. }
  10.  
  11. return total;
  12. }
  13. int main(void) {
  14. 	int a,b;
  15.     a = 15;
  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 0.01s 5316KB
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1から15までの和は120
https://ideone.com/egjxmC
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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