Example of how to use a normal iterator to iterate backward through a vector.

reversed_iterators

#include <iostream>

#include <map>
#include <vector>

int main()
{
        
    std::vector<int> noobles;
    
    for(int i = 0; i<10; i++)
        noobles.push_back(i+1);
    
    std::map<std::string, int> lolMap;
    
    lolMap["noob"] = 1;
    lolMap["lol"] = 100;
    
    for(std::vector<int>::iterator i = noobles.end()-2;
      i!=noobles.begin()-2; i--){
          std::cout << *i << "\n";  
          if((*i)%2==0)
          noobles.erase(i);
      }
    
    std::cout << "Printing odds only.\n";
    
    for(std::vector<int>::iterator i = noobles.end()-2;
      i!=noobles.begin()-2; i--){
          std::cout << *i << "\n";  
    }
     
      
      
    
   std::cout << "Hello World" << lolMap["lol"] << "\n"; 
   
   return 0;
}