URI Problem (Area of a Circle) 1002:
Area of a Circle is a basic problem on URI online judge for novice problem solver.
You can find details on this Link.
import java.util.Scanner;
/**
* @Author : Muhammad Harun-Or-Roshid
* @Date : Oct 5, 2016
* @Time : 7:52:48 PM
*/
public class Uri1002 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
double R = sc.nextDouble();
double A = (3.14159*R*R);
System.out.printf("A=%.4f\n",A);
}
}