#include <vector>
#include <iostream>
#include <sstream>
using namespace std;

#include "GasStation.cpp"

int main(int argc, char **argv)
{
    int i;
    class Solution TheClass;
    int retval;
    vector <int> G, C;
    string s;
    istringstream ss;

    if (argc != 2) { fprintf(stderr, "usage: a.out num (or - and then put the two arrays on the first two lines of standard input.\n"); exit(1); }

    if (strcmp(argv[1], "-") == 0) {
      if (!getline(cin, s)) {
        fprintf(stderr, "You need to enter the gas amounts on line one.\n");
        exit(1);
      }
      ss.clear();
      ss.str(s);
      while (ss >> i) G.push_back(i);

      if (!getline(cin, s)) {
        fprintf(stderr, "You need to enter the cost amounts on line two.\n");
        exit(1);
      }
      ss.clear();
      ss.str(s);
      while (ss >> i) C.push_back(i);
      if (C.size() != G.size()) {
        fprintf(stderr, "The number of gas and cost elements must be the same.\n");
        exit(1);
      }
    }
    else {

        if (atoi(argv[1]) == 1) {
            G.push_back(1);
            G.push_back(2);
            G.push_back(3);
            G.push_back(4);
            G.push_back(5);

            C.push_back(3);
            C.push_back(4);
            C.push_back(5);
            C.push_back(1);
            C.push_back(2);
        }

        if (atoi(argv[1]) == 2) {
            G.push_back(2);
            G.push_back(3);
            G.push_back(4);

            C.push_back(3);
            C.push_back(4);
            C.push_back(3);
        }

    }

    retval = TheClass.canCompleteCircuit(G, C);
    cout << retval << endl;

    exit(0);
}