OJ Board

Posted: **Fri Oct 10, 2014 10:48 am**

Hi everybody!!!
I'm getting RTE in this problem, and I don't know why. Somebody could help me?

Here is my code in Java:

Code: Select all

AC

Thanks in advance.

Posted: **Sat Oct 11, 2014 2:27 am**

At the end of the input you're getting a java.lang.NullPointerException by calling trim() on a null String.

Posted: **Sat Oct 11, 2014 11:51 am**

Hi brianfry713!
I have done changes you said me, but now I'm getting WA, what's wrong?

Code: Select all

AC

Thanks in advance again.

Posted: **Mon Oct 13, 2014 10:54 pm**

You have to stop the output when the input is a palindrome prime number (after outputting its double also).

You are comparing a StringBuilder to a String, which will always return false.

Posted: **Tue Oct 14, 2014 12:32 pm**

Thank you brianfry713!!! I got AC.
A very silly mistake comparing a String and a StringBuilder.

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