Hangman!

#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <time.h>

using namespace std;

string word;

void randomWord()
{
    srand(time(NULL));
    int num=rand()%27+1;
    string words[28];
    string text;
    ifstream file("words.txt");
    for(int c=0;file>>text;c++)words[c]=text;
    word=words[num];
}

int main()
{
    randomWord();
    int count=0;
    string text;
    string theWord[word.length()];
    string guessedLetters="";
    for(int c=0;c<word.length();c++)theWord[c]+="?";
    int hangman=0;
    while(hangman!=7)
    {
        if(count==0)cout<<"Your word is "<<word.length()<<" letters long!"<<endl;
        if(count==0)for(int c=0;c<word.length();c++)cout<<theWord[c]<<" ";
        else
        {
            for(int c=0;c<word.length();c++)cout<<theWord[c]<<" ";
            cout<<"\t\tGuessed letters: ";
            for(int c=0;c<count;c++)cout<<guessedLetters[c];
        }
        cout<<endl;
        if(count==0)cout<<"If you would like to guess a letter, type in one,\nif you would like to guess the word, type 'guess' ";
        else cout<<"Enter your guess: "<<endl;
        cin>>text;
        while(text.length()>1&&text!="guess")
        {
            cout<<"Invalid input! Please enter a chracter or 'guess': ";
            cin>>text;
        }
        while(guessedLetters.find(text)!=string::npos)
        {
            cout<<"You already guessed this letter! Enter another one: ";
            cin>>text;
        }
        guessedLetters+=text;
        if(text=="guess")
        {
            string guess;
            cout<<"What do you think the word is? ";
            cin>>guess;
            if(guess==word)
            {
                cout<<"Congratulations! You guessed the word correctly!"<<endl;
                return 0;
            }
            else
            {
                cout<<"Sorry! That's incorrect! The word was "<<word<<". Better luck next time."<<endl;
                return 0;
            }
        }
        if(word.find(text)!=string::npos)
        {
            int num=word.find(text);
            theWord[num]=text;
            int num2=word.rfind(text);
            theWord[num2]=text;
        }
        else
        {
            cout<<"Letter not found!"<<endl;
            hangman++;
        }
        count++;
    }
    cout<<"Sorry! You lost!"<<endl;
    return 0;
}