game.cpp

// Gallows game by Kindane
// Number of mistakes: 7
#include<iostream>
#include<string>
#include<cctype> // tolower()
#include<ctime> // time(0)

const int words_count = 20;

int main()
{
    using std::cout;
    using std::cin;
    using std::endl;
    using std::string;

    srand(time(0));
    string words[] {"australia", "romania",
        "fingers", "flower",
        "enter", "queue",
        "password", "stickman",
        "author", "keyboard",
        "magnifficent", "jocker",
        "backpack", "statusbar",
        "quarantine", "america",
        "cactus", "minecraft",
        "monitor", "programmer"
    };
    cout.width(15);
    cout << "Welcome to the Kindane's gallows game\n";
    cout << "press [p]lay or [q]uit\n";
    char choice;
    while (cin >> choice)
    {
        if (choice == 'p')
            break;
        if (choice == 'q')
            exit(EXIT_FAILURE);
        else
            cout << "You should enter p or q\n";
    }

    string word = words[rand()%words_count];
    string result(word.length(), '*');
    string already_typed = "";
    cout << "This word contain " << word.length() << " letters\n";

    char letter;
    int error_count = 0;
    while (result != word)
    {
        if (error_count >= 7)
        {
            cout << "Errors: " << error_count << "/7\n";
            cout << "You failed. My word is: " << word << endl;
            exit(EXIT_FAILURE);
        }
        cout << "Errors: " << error_count << "/7\n";
        cout << "Now your word is: " << result << endl;
        cout << "Please, enter letter: ";
        cin >> letter;
        letter = tolower(letter);
        if (already_typed.find(letter) == already_typed.npos)
        {
            if (word.find(letter) != word.npos)
            {
                already_typed += letter;
                int last_index = 0;
                while (true)
                {
                    result[word.find(letter)] = letter;
                    if (word.find(letter, last_index+1) != word.npos)
                    {
                        last_index = word.find(letter, last_index+1);
                        result[last_index] = letter;
                    }
                    else
                        break;
                }
            }
            else
            {
                cout << "This is not correct letter.\n";
                error_count++;
                already_typed += letter;
            }
        }
        else
        {
            cout << "You already typed this letter.\n";
            cout << "All typed letters: " << already_typed << endl;
        }

    }
    cout << "\nYou win!\n";
    cout << "Word is: " << word << endl;
}