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  1.  
  2. #include <stdio.h>
  3.  
  4. // 課題1: 1からnまでの和を求めるコード
  5. int sum(int n){
  6.     int s = 0;
  7.     for (int i = 1; i <= n; i++) {
  8.         s += i;
  9.     }
  10.     return s;
  11. }
  12.  
  13. int main(void) {
  14.     int a,b;
  15.     a = 10;
  16.     b = sum(a);
  17.     printf("1から%dまでの和は%d", a,b );
  18.     return 0;
  19. }
Success #stdin #stdout 0s 5308KB
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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/VpUWJz
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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