import java.util.Scanner;
java.util.Random import;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
long seed=sc.nextLong();
int n=sc.nextInt();
Random random= new Random(seed);
double x,y=0;
long k=0,i=0;
for(i=0;i<n;i++){
int s;
if (i<1/n) {s=1;}
else {s=-1;}
x = random.nextDouble () * s; // generates a random number
y= random.nextDouble()*s;
if(x*x+y*y<1) k++;
}
double pi=4*(double)k/(double)i;
System.out.println(pi);
sc.close();
}
}
This code can be run on the PTA was an error in eclipse. Because I do not know how to generate a random number between -1 and 1.