OJ Board

yea ive been trying this problem for the tenth time already and its always it wrong answer or runtime. ive check it and it seems fine but still...WA. can anyone tell me whats wrong?

#include <iostream>
using namespace std;

int oddEven(int x)
{
int ctr = 1;

while(x != 1)
{
if(x%2 == 0)
x = x ...