text: #include <bits/stdc++.h>
  #include <string>
  
  #ifndef  COMPARISONOPERATORS
  #define COMPARISONOPERATORS
  void pairSortingTest(std::vector<std::pair<int,int>>);
  void tupleSortingTest(std::vector<std::tuple<int,int,int>>);
  bool comp(std::string , std::string);
  #endif