OJ Board

import java.util.*;
public class Main
{
static boolean isZero(String s)
{
for (int i=s.length()-1; i>=0; i--)
{
if (s.charAt(i)!=48) return false;
}
//if (Integer.parseInt(s)!=0) return false;
//if (s.length()==1 && s.charAt(0)==48) return true;
return false;
}
public static void main ...

Thank you chunyi81.

Thanks a lot Darko.

I still wonder normally how people input an integer/double/string in this situation? We even need to write a small routine, just for input?

Hi all,

Today I tried to submit answers to Columbus weekend Contest #4, but could not pass the "compile error".

Even when I did not include any external libraries. The judges still returned me "Compile error".

Here's my code:


class Main {
static String readLine() throws Exception
{
char c ...

I guess it's because of this line:
BufferedReader br = new BufferedReader (new InputStreamReader (System.in));