Hangman cpp

#include <iostream>
#include <vector>
#include <cstdlib>  // for rand() and srand()
#include <ctime>    // for time()
#include <algorithm> // for find()

using namespace std;

// Function to display the current state of the guessed word
void displayWord(const string& word, const vector<bool>& guessed) {
    for (int i = 0; i < word.length(); i++) {
        if (guessed[i]) {
            cout << word[i] << " ";
        } else {
            cout << "_ ";
        }
    }
    cout << endl;
}

// Function to check if the word is fully guessed
bool isWordGuessed(const vector<bool>& guessed) {
    for (bool g : guessed) {
        if (!g) {
            return false;
        }
    }
    return true;
}

int main() {
    // List of words for the hangman game
    vector<string> words = {"programming", "hangman", "challenge", "computer", "science"};

    // Seed random number generator
    srand(time(0));

    // Randomly select a word
    string word = words[rand() % words.size()];

    // Variables for the game
    int lives = 6;  // Number of wrong guesses allowed
    vector<bool> guessed(word.length(), false);  // Tracks which letters have been guessed correctly
    vector<char> wrongGuesses;  // Tracks wrong guesses

    cout << "Welcome to Hangman!" << endl;

    // Main game loop
    while (lives > 0) {
        // Display the current state of the word
        cout << "\nCurrent word: ";
        displayWord(word, guessed);

        // Display wrong guesses
        if (!wrongGuesses.empty()) {
            cout << "Wrong guesses: ";
            for (char c : wrongGuesses) {
                cout << c << " ";
            }
            cout << endl;
        }

        // Prompt the user for a guess
        char guess;
        cout << "Enter a letter: ";
        cin >> guess;

        // Check if the letter has already been guessed
        if (find(wrongGuesses.begin(), wrongGuesses.end(), guess) != wrongGuesses.end()) {
            cout << "You already guessed that letter! Try again." << endl;
            continue;
        }

        // Check if the guessed letter is in the word
        bool correctGuess = false;
        for (int i = 0; i < word.length(); i++) {
            if (word[i] == guess) {
                guessed[i] = true;
                correctGuess = true;
            }
        }

        // If the guess was incorrect, reduce lives
        if (!correctGuess) {
            lives--;
            wrongGuesses.push_back(guess);
            cout << "Wrong guess! You have " << lives << " lives remaining." << endl;
        }

        // Check if the word is fully guessed
        if (isWordGuessed(guessed)) {
            cout << "Congratulations! You've guessed the word: " << word << endl;
            break;
        }
    }

    // If the player runs out of lives
    if (lives == 0) {
        cout << "You've run out of lives! The word was: " << word << endl;
    }

    return 0;
}