fork download 
  1. #include <stdio.h>
  2. int main(void)
  3. {
  4.     int n;
  5.     printf("Input n:");
  6.     scanf("%d", &n);
  7.     int sum = 0;
  8.     for (int i = 1; i <= n; i++)
  9.     {
  10.         sum = sum + i;
  11.     }
  12.     printf("sum = %d\n", sum);
  13.     return 0;
  14. }
Success #stdin #stdout 0s 5300KB
comments (?)
stdin 
10
stdout 
Input n:sum = 55
https://ideone.com/Cbd3SK
language:
C (gcc 8.3)
created:
2 days 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!