updated Common

#include <sstream>

#include <regex>

#include <cmath>

#include <limits>

using namespace std;

/**

            return stoi(lastInt);  // Return the last matched float

        } catch (exception& ignored) {

            cerr << "I could not parse " << lastInt << " into an integer." << endl;

            return numeric_limits<int>::min();

            return NAN;

        }

    }