#include <iostream>
#include <sstream>
#include <vector>

// Add your classes here. You can put all code in this file.

int main() // may not be modified.
{
  State start{};
  State alpha{};
  EndState end{};

  start.add_signal(&alpha, 1);
  alpha.add_signal(&start, 2);
  alpha.add_signal(&end, 1);

  try
  {
    alpha.add_signal(&end, -1);
  }
  catch(std::exception& e)
  {
    cerr << "tried to add signal out of range" << endl;
  }
    
  { // Test first sequence (correct)
    stringstream sequence{"1 1"};
    cout << "testing sequence: " << sequence.str() << endl;
    start.eval(sequence);
  }

  { // Test second sequence (correct)
    stringstream sequence{"1 2 1 2 1 1"};
    cout << "testing sequence: " << sequence.str() << endl;
    start.eval(sequence);
  }

  { // Test third sequence (incorrect)
    stringstream sequence{"1 1 1 2 1 1"};
    cout << "testing sequence: " << sequence.str() << endl;
    start.eval(sequence);
  }

  { // Test fourth sequence (incorrect)
    stringstream sequence{"1 1 1"};
    cout << "testing sequence: " << sequence.str() << endl;
    start.eval(sequence);
  }

  { // Test fifth sequence (incorrect)
    stringstream sequence{"1 5 1"};
    cout << "testing sequence: " << sequence.str() << endl;
    start.eval(sequence);
  }

  { // Test sixth sequence (incorrect)
    stringstream sequence{"1 25 1"};
    cout << "testing sequence: " << sequence.str() << endl;
    start.eval(sequence);
  }
  
}