/*
 * Example: Read command-line arguments and write them into a map with string keys and int values
 * 
 * To test, for example, execute "./map-example Alpha Gamma Alpha Beta"
 */
#include <iostream>
#include <map>
#include <string>

int main(int argc, char** argv)
{
   std::map<std::string, int> command_line_args;
   for(int i = 0; i < argc; i++) command_line_args[argv[i]] = i;
   
   /*
    * note that maps (and sets) are sorted data structures,
    * therefore traversal will automatically be sorted by key
    */
   for(auto i = command_line_args.begin(); i != command_line_args.end(); i++)
   {
      /* output at what command line argument no. a given word was last observed */
      std::cout << "Key: " << i->first << "\t\tValue (last occurrence): " << i->second << "\n";
   }
}