fork download 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     double a, x, y,r;
  6.     cin >> a >> x >> y >> r;
  7.  
  8.     cout << 4 * a << " " << a * a << endl;
  9.     cout << 2 * (x + y) << " " << x * y  << endl;
  10.  
  11.     cout << fixed << setprecision(2)
  12.          << 2 * 3.14 * r << " "
  13.          << 3.14 * r * r;
  14.  
  15.     return 0;
  16. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
0 0
1.87311e-309 0
0.00 0.00
https://ideone.com/8bIY8p
language:
C++ (gcc 8.3)
created:
3 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!