fork download
copy 
  1. #include <stdio.h>
  2.  
  3. double calculate_series_sum(int n) {
  4.     double sum = 0.0;
  5.  
  6.     for (int i = 1; i <= n; i++) {
  7.         sum += 1.0 / (i * (i + 1));
  8.     }
  9.  
  10.     return sum;
  11. }
  12.  
  13. int main(void) {
  14.     int n;
  15.  
  16.     scanf("%d", &n);
  17.  
  18.     double sum = calculate_series_sum(n);
  19.  
  20.     printf("x(%d) = %f\n", n, sum);
  21.  
  22.     return 0;
  23. }
Success #stdin #stdout 0s 5272KB
comments (?)
stdin
copy 
3
stdout
copy 
x(3) = 0.750000
https://ideone.com/5ncNrh
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!