#include <iostream>

    int main(int argc, char *argv[]) {

      /* An annoying "Hello World" example */
      for (auto i = 0; i < 0xFFFF; i++)
        cout << "Hello, World!" << endl;

      char c = '\n';
      unordered_map <string, vector<string> > m;
      m["key"] = "\\\\"; // this is an error

      return -2e3 + 12l;