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  1. #include <stdio.h>
  2.  
  3.  
  4. int sum(int n){
  5.     int i;
  6.     int c = 0;
  7.  
  8.     for(i = 1; i <= n; i++){
  9.         c = c + i;
  10.     }
  11.  
  12.     return c;
  13. }
  14.  
  15. int main(void) {
  16.     int a,b;
  17.     a = 10;
  18.     b = sum(a);
  19.     printf("1から%dまでの和は%d", a,b);
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
Standard input is empty
stdout 
1から10までの和は55
https://ideone.com/o39ZOK
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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