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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, total = 0;
  5.     for(i = 1; i <= n; i++){
  6.         total += i;   // 1からnまで足し合わせる
  7.     }
  8.     return total;
  9. }
  10.  
  11. int main(void) {
  12.     int a,b;
  13.     a = 10;
  14.     b = sum(a);
  15.     printf("1から%dまでの和は%d\n", a,b );
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
1から10までの和は55
https://ideone.com/jSaQ0v
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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