#include <library.h>

using namespace std;

bool play(const int secret, const int tries)
{ if (tries == 6)
    return false;
  cout << "Guess at the number: ";
  const int guess = read_int();
  if (guess == secret)
    return true;
  if (guess < secret)
  { cout << "Too small\n";
    return play(secret, tries + 1); }
  cout << "Too big\n";
  return play(secret, tries + 1); }

int main()
{ const int secret = random_in_range(1, 100);
  const bool won = play(secret, 0);
  if (won)
    cout << "You won\n";
  else
    cout << "You lost\n"; }