fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     int a;
  5.     int sum = 0;
  6.     scanf("%d", &a);
  7.  
  8.     if (a == 0) {
  9.         sum = 1;
  10.     } else {
  11.         for (int i = 1; i <= a; i++) {
  12.             sum += i;
  13.         }
  14.     }
  15.  
  16.     printf("%d\n", sum);
  17.     return 0;
  18. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
4
stdout
copy 
10
https://ideone.com/t9PmlC
language:
C (gcc 8.3)
created:
23 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!