Create a std::map and insert into it the key-value pairs {“one”,1}, {“two”,2}, and {“three”,3}.

SimpleMap.cpp

// https://repl.it/LO2s

#include <iostream>
#include <map>
using namespace std;

int main()
{
  std:map <string, int> intMap;
  
  intMap.insert(std::pair <string, int> ("one", 1));
  intMap.insert(std::pair <string, int> ("two", 2));
  intMap.insert(std::pair <string, int> ("three", 3));
  
  std::map<string, int>::iterator it = intMap.begin();
  
  cout << "intMap holds: \n";
  for (it=intMap.begin(); it!=intMap.end(); ++it) {
    std::cout << it->first << " => " << it->second << '\n';
  }
  
  return 0;
}