fork download
copy 
  1. import java.math.BigInteger;
  2. import java.util.Scanner;
  3.  
  4. public class Main {
  5.     public static void main(String[] args) {
  6. 		Scanner sc = new Scanner(System.in);
  7. 		int n =sc.nextInt();
  8. 		int ans=1;
  9. 		int tmpEven=1;
  10. 		int tmpOdd=1;
  11. 		int count=0;
  12. 		boolean even=false, odd=false;
  13. 		for (int i = n; i > 0; i--) {
  14. 			if(count==3){
  15. 				break;
  16. 			}
  17. 			if(BigInteger.valueOf(i).isProbablePrime(1)){
  18. 				ans=ans*i;
  19. 				count++;
  20. 			} else if(i%2 ==0 && !even){
  21. 				ans=ans*i;
  22. 				tmpEven=i-2;
  23. 				even =true;
  24. 				count++;
  25. 			} else if(i%2 !=0 && !odd) {
  26. 				ans=ans*i;
  27. 				tmpOdd=i-2;
  28. 				count++;
  29. 				odd=true;
  30. 			}
  31. 		}
  32. 		if(count != 3){
  33. 			if(n%2 == 0){
  34. 				ans=ans*tmpEven;
  35. 			}else{
  36. 				ans=ans*tmpOdd;
  37. 			}
  38. 		}
  39. 		System.out.println(ans);
  40. 	}
  41. }
Runtime error #stdin #stdout 0.05s 246080KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/7efDIa
language:
Java (HotSpot 12)
created:
12 years 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!