three_n_plus_one

/*author : H. M. Tarek Ullah
  date : .0.02.15
  problem : 3n + 1 of UVA
 there is some  mistake as i read the problem incorrectly . need to redo this program.
 */
#include<iostream>
#include<vector>

using namespace std;

bool odd_even(int num){
    if (num % 2 == 0)
        return true;
    else
        return false;
}

int main()
{
    int starting_point = 0;
    int ending_point = 0;
    int copy_ending = 0;
    unsigned long int  vec_size= 0;
    cin >> starting_point;
    cin >> ending_point;
    copy_ending = ending_point;

    vector<int> vec;

    while (ending_point != 1){
        if (odd_even(ending_point)){
            ending_point = ending_point / 2;
            if (ending_point < starting_point){
                vec.push_back(ending_point);
            }

        }
        else{
            ending_point = (ending_point * 3) + 1;
            if (ending_point < starting_point){
                vec.push_back(ending_point);
            }
        }
    }

    vec_size = vec.size() ;

    cout << starting_point<<" "<< copy_ending<<" "<< vec_size << endl;


    return 0;
}