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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;  
  5.  
  6.     int i;
  7.  
  8.     for(i = 1; i <= n; i++){
  9.         c = c + i;  
  10.     }
  11.  
  12.     return c;
  13. }
  14.  
  15.  
  16. int main(void) {
  17. 	int a,b;
  18.     a = 10;
  19.     b = sum(a);
  20.     printf("1から%dまでの和は%d", a,b );
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5300KB
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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/uRFiZ4
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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