fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	double a;
  5. 	scanf("%1f",&a);
  6. 	printf("%f\n",3.14*a*a);
  7. 	return 0;
  8. }
  9.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
copy 
5
stdout
copy 
0.000000
https://ideone.com/Mq9LKG
language:
C (gcc 8.3)
created:
1 day 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!