#include <cstdlib>
#include <iostream>
 
using namespace std;
 
// function prototypes
void printMenu();
void decision(int action);
 
int main()
{
	int option;
 
        // loop to display menu, get user choice and perform required action
 
	while(option != 3) {
		printMenu();
		cin >> option;    // if I type anything other than 1,2,3 the program crashes
		decision(option);
	}
 
 
	//system("pause");
	return 0;
}
 
void printMenu()
{
 
	cout << "\tCrossword Helper " << endl << endl;
	cout << " 1 : Check if word is in dictionary " << endl;
	cout << " 2 : Find words in dictionary which match pattern " << endl;
	cout << " 3 : Quit " << endl << flush;
 
}
 
void decision(int action) {     // Are these variable & function names acceptable?
 
	string word;
 
	switch (action) {
	case 1:
		cout << "\nEnter word: \n" << flush;
		cin >> word;
		to_lower(word);
		if (binarySearch(words,word,0,nWord)) {
			cout << word << " is in the dictionary\n";
		}
		else
			cout << word << " is NOT in the dictionary\n";
		break;
	case 2:
		cout << "\nEnter word pattern with ? for missing letters\n" << flush;
		cin >> word;
		to_lower(word);
		search(words,nWord,word);
		break;
	case 3:
		// I dont think I need to put anything here because break will stop the function then main will return 0
		//system("pause");
		//return 0;
		break;
	default:
		cout << "Invalid Choice";
		break;
	}
}

//declaration
void decision(char action);
//implementation
void decision(char action) {     // Are these variable & function names acceptable?
 
	string word;
 
	switch (action) {
	case '1':
		cout << "\nEnter word: \n" << flush;
		cin >> word;
		to_lower(word);
		if (binarySearch(words,word,0,nWord)) {
			cout << word << " is in the dictionary\n";
		}
		else
			cout << word << " is NOT in the dictionary\n";
		break;
	case '2':
		cout << "\nEnter word pattern with ? for missing letters\n" << flush;
		cin >> word;
		to_lower(word);
		search(words,nWord,word);
		break;
	case '3':
		// I dont think I need to put anything here because break will stop the function then main will return 0
		//system("pause");
		//return 0;
		break;
	default:
		cout << "Invalid Choice";
		break;
	}
}

int main()
{
	char option;
 
        // loop to display menu, get user choice and perform required action
 
	while(option != '3') {
		printMenu();
		cin >> option;    // if I type anything other than 1,2,3 the program works correctly
		decision(option);
	}
 
 
	//system("pause");
	return 0;
}

int option = 0 ;
    string option_string;
 
	while(option != 3) {
		printMenu();
		char *end;
		getline(cin, option_string);    
		option = strtol(option_string.c_str(), &end, 10);
		cout << "You enterd option" << option;
		decision(option);
	}