#include <cstdio>
#include <iostream>
#include <string>
#include <map>
int main (int argc, char const *argv[])
{
std::string hello_world ("Hello World!");
std::cout << hello_world << std::endl;
std::cout << hello_world.length() << std::endl;
std::cout << hello_world[11] << std::endl;
std::map<std::string, int> associative_array;
std::cout << "size of upon construction associative_array: " << associative_array.size() << std::endl;
associative_array[hello_world] = 1;
associative_array["hello"] = 2;
associative_array["world"] = 3;
std::cout << "size of associative_array: " << associative_array.size() << std::endl;
printf("associative_array[\"hello\"]=%d\n", associative_array["hello"]);
printf("before returning....\n"); // Set break point at this line.
}