OJ Board

thnx vahid sanei i got AC
plz anyone knows what is the eps tell me or post me a link to read about it
thnx all

i'm getting WA and don't know why
plz help
here is my code

#include <iostream>
#include <iomanip>
#include <math.h>

using namespace std;

bool prime[10000]={0};

bool isprime(long long x)
{
int end=sqrt(double(x))+1;
for(int q=3;q<=end;q+=2)
if(x%q==0)
return false;
return true;
}

void ...