How Can I Put Graphics In This Program And Im Using Visual Studio 2012

#include <iostream.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>

const int MAXLENGTH=20;
const int MAX_TRIES=5;
const int MAXROW=7;

int letterFill (char, char[], char[]);
void initUnknown (char[], char[]);

int main ()
{
clrscr();
	char unknown [MAXLENGTH];
	char letter;
	int num_of_wrong_guesses=0;
	char word[MAXLENGTH];
	char words[][MAXLENGTH] =
	{
		"dadu",
		"haala",
		"jamshoro",
		"karachi",
		"mithi",
		"nawabshah",
		"rohri",
		"sukkur",
		"thatta",
		"umerkot"
	};

	//choose and copy a word from array of words randomly
	randomize();
	int n=random(10);
	strcpy(word,words[n]);

	// Initialize the secret word with the * character.
	initUnknown(word, unknown);

	// welcome the user
	cout << "\n\nWelcome To The Game...Guess a Hyderabad Cities Name";
	cout << "\n\nEach letter is represented by a star -> '*'";
	cout << "\n\nYou have to type only one Alphabet in one try";
	cout << "\n\nYou have " << MAX_TRIES << " tries to try and guess the correct City name.";
	cout << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";

	// Loop until the guesses are used up
	while (num_of_wrong_guesses < MAX_TRIES)
	{
		cout << "\n\n" << unknown;
		cout << "\n\nGuess a letter: ";
		cin >> letter;
		// Fill secret word with letter if the guess is correct,
		// otherwise increment the number of wrong guesses.
		if (letterFill(letter, word, unknown)==0)
		{
			cout << endl << "Whoops! That letter isn't in there!" << endl;
			num_of_wrong_guesses++;
		}
		else
		{
			cout << endl << "You found a letter! Isn't that exciting Dude (Y) <*!*>" << endl;
		}
		// Tell user how many guesses has left.
		cout << "You have " << MAX_TRIES - num_of_wrong_guesses;
		cout << " guesses left." << endl;
		// Check if they guessed the word.
		if (strcmp(word, unknown) == 0)
		{
			cout << word << endl;
			cout << "Yeah! You got it!";
			break;
		}

	}
	if(num_of_wrong_guesses == MAX_TRIES)
	{
		cout << "\nSorry, you lose...you've been hanged." << endl;
		cout << "The word was : " << word << endl;
	}
	getch();
	return 0;
}

/* Take a one character guess and the secret word, and fill in the
 unfinished guessword. Returns number of characters matched.
 Also, returns zero if the character is already guessed. */

int letterFill (char guess, char secretword[], char guessword[])
{
	int i;
	int matches=0;
	for (i = 0; secretword[i]!='\0'; i++)
	{

		// Did we already match this letter in a previous guess?
		if (guess == guessword[i])
			return 0;

		// Is the guess in the secret word?
		if (guess == secretword[i])
		{
			guessword[i] = guess;
			matches++;
		}
	}
	return matches;
}


// Initialize the unknown word

void initUnknown (char word[], char unknown[])
{
	int i;
	int length = strlen(word);
	for (i = 0; i < length; i++)
		unknown[i]='*';
	unknown[i]='\0';
}