算法训练 Torry的困惑(基本型)

 1 import java.text.DecimalFormat;
 2 import java.text.NumberFormat;
 3 import java.util.ArrayList;
 4 import java.util.Arrays;
 5 import java.util.Collection;
 6 import java.util.Collections;
 7 import java.util.List;
 8 import java.util.Scanner;
 9 import java.util.Stack;  
10     public class Main{   
11         public static void main(String[] args){ 
12             Scanner input = new Scanner(System.in);
13             int n = input.nextInt();
14             int i = 1;
15             int h = 0;
16             int j;
17             int ji = 1;
18             while(h!=n){
19                 i++;
20                 for(j=2;j<=Math.sqrt(i);j++){
21                     if(i%j==0)
22                         break;
23                 }
24                 if(j>Math.sqrt(i)){
25                     h++;
26                     ji = ji*i%50000;
27                 }
28             }
29             System.out.println(ji%50000);
30             
31         }
32  }