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  1. import java.util.Random;
  2. import java.util.Scanner;
  3. public class Main {
  4.     public static void main(String[] args) {
  5.         Scanner sc = new Scanner(System.in);
  6.         System.out.print("Enter number of points: ");
  7.         int N = sc.nextInt();
  8.         int inside = 0;
  9.         Random rand = new Random(); 
  10.         for(int i = 0; i < N; i++){
  11.             double x = rand.nextDouble(); 
  12.             double y = rand.nextDouble();
  13.             if(x*x + y*y <= 1)
  14.                 inside++;
  15.         }
  16.         double pi = 4.0 * inside / N;
  17.         System.out.println("Estimated Pi = " + pi);
  18.     }
  19. }
Success #stdin #stdout 0.23s 58876KB
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stdin
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10000
stdout
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Enter number of points: Estimated Pi = 3.138
https://ideone.com/FfObiR
language:
Java (HotSpot 12)
created:
11 days ago
visibility:
public

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