OJ Board

hello i have tried all your test cases and i they all true but i still have wA can any one help ?pleaze
my code is
#include <iostream>
#include<stdio.h>
#include<string.h>
#include <math.h>
#include <stdlib.h>
#include <cstdlib>
using namespace std;
int main ()

{ int n;

while((cin>>n)&&n>0 ...