Hackerrank – Problem Statement
A description of the problem can be found on Hackerrank.
Solution
I created solution in:
All solutions are also available on my GitHub.
Java
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import java.util.*; import java.security.*; public class Solution { public static void main(String[] args) { DoNotTerminate.forbidExit(); try { Scanner in = new Scanner(System.in); int n = in.nextInt(); in.close(); String s = String.valueOf(n); if (n == Integer.parseInt(s)) { System.out.println("Good job"); } else { System.out.println("Wrong answer."); } } catch (DoNotTerminate.ExitTrappedException e) { System.out.println("Unsuccessful Termination!!"); } } } //The following class will prevent you from terminating the code using exit(0)! class DoNotTerminate { public static class ExitTrappedException extends SecurityException { private static final long serialVersionUID = 1; } public static void forbidExit() { final SecurityManager securityManager = new SecurityManager() { @Override public void checkPermission(Permission permission) { if (permission.getName().contains("exitVM")) { throw new ExitTrappedException(); } } }; System.setSecurityManager(securityManager); } } |