fork download
copy 
  1. #include<iostream>
  2. #include<cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     int S, r;
  9.     cout << "r=";
  10.     cin >> r;
  11.     S = 3.14 * pow(r, 2);
  12.     cout << S;
  13.     system("pause");
  14.     return 0;
  15. }
Success #stdin #stdout #stderr 0s 4480KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
r=-2147483648
stderr
copy 
sh: 1: pause: not found
https://ideone.com/qc9D7L
language:
C++ (gcc 8.3)
created:
3 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!