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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, result=0;
  5. 	for(i=n; i>0; i--) result+=i;
  6. 	return result; 
  7. }
  8.  
  9. int main(void) {
  10. 	int a,b;
  11.     a = 10;
  12.     b = sum(a);
  13.     printf("1から%dまでの和は%d", a,b );
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5284KB
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1から10までの和は55
https://ideone.com/9X10AD
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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