fork(1) download
copy 
  1. program circle_area;
  2. var r, s: real;
  3. begin
  4.   writeln('Введите радиус круга:');
  5.   readln(r);
  6.   s := pi * r * r;
  7.   writeln('Площадь круга: ', s:6:2);
  8. end.
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
copy 
1
2
stdout
copy 
Введите радиус круга:
Площадь круга:   3.14
https://ideone.com/2tZDop
language:
Pascal (fpc 3.0.4)
created:
8 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!