OJ Board

Posted: **Fri Mar 23, 2012 10:31 pm**

Plz any one help me!

Removed after AC

Posted: **Wed Mar 28, 2012 12:06 am**

101 is prime, not emirp, it has to be a different prime after reversal.

Posted: **Wed Mar 28, 2012 3:55 am**

brianfry713 wrote:101 is prime, not emirp, it has to be a different prime after reversal.

Thank u!!!!!!!!!

Posted: **Thu Nov 15, 2012 11:07 pm**

Remove after accepted

Posted: **Sat Nov 17, 2012 5:02 am**

change these lines:

while(!cin.eof())
{
cin >>input;

to:

while(cin >>input) {

Posted: **Sat Nov 17, 2012 1:59 pm**

Can you please explain the reason.

Posted: **Mon Nov 19, 2012 11:45 pm**

There may be whitespace at the end of the last line. Usually there is at least a newline character at the end of every line, including the last one.

Posted: **Sat Mar 23, 2013 3:27 am**

deleted after ac

Posted: **Sat Aug 03, 2013 2:29 pm**

Can anyone give some input?I can use them to find my mistake.

Posted: **Tue Oct 15, 2013 10:55 pm**

plz tell me how to optimize this solution cause it's getting TL

deleted

Posted: **Wed Oct 16, 2013 8:30 pm**

Precompute whether each possible input is prime or not.

Posted: **Thu Oct 17, 2013 3:12 pm**

sorry I don't understand what should I do
I mean that the code is doing it right >> i think

Posted: **Thu Oct 17, 2013 7:53 pm**

Before you read any input compute whether each possible N is prime.
http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes

Posted: **Thu Oct 24, 2013 1:32 pm**

thanks for the great help
I think it's clear now

Posted: **Tue Nov 05, 2013 10:52 am**

I don't know why i am getting WA

WA

...please anyone help me....
Here is the link of my code:
http://ideone.com/NeMde2

10235 - Simply Emirp