fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5.     int n=1,sign=1;
  6.     double pi=0,term=1;
  7.     do 
  8.     {  pi=pi+term;
  9.        sign=-sign;
  10.        n=n+2;
  11.        term=sign*1/n;
  12.     } while(fabs(term)>=1e-6);
  13.     pi=pi*4;
  14.     printf("pi=%10.8f\n",pi);
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
pi=4.00000000
https://ideone.com/W0GWNY
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!