How to print out elements of vector of type pair?

[Ritik]

here is a piece of my code:

 while(T--)
    {
      std::vector<std::pair<int, int> > *dragon;
      std::vector<std::pair<int, int> > *villager;
      dragon = new std::vector<std::pair<int, int> >;
      villager = new std::vector<std::pair<int, int> >;
      std::cin >> no_villages;
      for(int i = 0; i<no_villages; i++)
	{
	  std::cin >> number;
	  if(number < 0)
	    {
	      dragon->push_back(std::make_pair(number, i+1));
	    }
	  else if(number > 0)
	    {
	      villager->push_back(std::make_pair(number, i+1));
	    }
	}
	  std::sort(dragon->begin(), dragon->end());
	  std::sort(villager->begin(), villager->end());	

I now wish to print the elements of the vector. How do I do it?

[Duthomhas]

A std::pair has .first and .second member accessors.

  for (auto v : *villager)
    cout << "(" << v.first << "," << v.second << ")\n";

BTW, why are you dynamically allocating the std::vector objects? Don't do that:

  std::vector <std::pair <int, int> > dragon;
  ...
    dragon.push_back( std::make_pair( ... ) );
  ...
  std::sort( std::begin(dragon), std::end(dragon) );
  ...

Hope this helps.

[Ritik]

Okay! No reason in particular as to why I was dynamically allocating memory. I will change that part. Thanks!