char *getline()
{
    char input;
    int size = 4;
    char*p = new char[size];
    int i = 0;

    while (cin.get(input) && input != '\n')
    {
        if (i>=size)
        {
            p=resize(p,size,size*2);
            size *=2;
        }
        p[i] = input;
        i++;
    }
    p[i] = '\0';
    return p;
}