fork download
copy 
  1.  
  2. #include <stdio.h>
  3. #define PI 3.14159
  4.  
  5.  
  6.  
  7. int main()
  8. {
  9.   float r;
  10.  
  11.  
  12. /*Program for circumference. */
  13.  
  14.     printf(" This is a program that will calculate circumference.\n");
  15.     printf("Please put in your radius.\n");
  16.  
  17.     scanf("%f", &r);
  18.  
  19.     printf("The circumference is %f", 2*PI*r);
  20.  
  21.     return 0;
  22.  
  23. }
  24.  
Success #stdin #stdout 0s 1792KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
 This is a program that will calculate circumference.
Please put in your radius.
The circumference is -0.000089
https://ideone.com/WFGyQA
language:
C (gcc 8.3)
created:
11 years 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!