#include <iostream>
using namespace std;
#include <string>
#include <time.h> // for time()

const int MAX_TRIES = 6;
const string WORDS[] = {"HELLO", "WORLD", "HANGMAN", "COMPUTER", "PROGRAM"};

int main() {
    srand(time(NULL));

    int winCount = 0;
    int loseCount = 0;
    char playAgain = 'y';

    while (playAgain == 'y' || playAgain == 'Y') {
        string word = WORDS[rand() % (sizeof(WORDS) / sizeof(WORDS[0]))];
        string hiddenWord(word.length(), '-');
        string guessedLetters;
        int tries = 0;
        char guess;

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

        while (tries < MAX_TRIES && hiddenWord != word) {
            cout << "Word: " << hiddenWord << endl;
            cout << "Guessed Letters: " << guessedLetters << endl;
            cout << "Tries Remaining: " << MAX_TRIES - tries <<endl;
            cout << "Enter your guess: ";
            cin >> guess;

            if (guessedLetters.find(guess) != std::string::npos) {
                cout << "You already guessed that letter. Try again." <<endl;
                continue;
            }
            
            guessedLetters += guess;

            if (word.find(guess) != string::npos) {
                for (int i = 0; i < word.length(); i++) {
                    if (word[i] == guess) {
                        hiddenWord[i] = guess;
                    }
                }
                cout << "Correct guess!" << endl;
            } else {
                tries++;
                cout << "Incorrect guess!" << endl;
            }

            cout << std::endl;
        }

        if (hiddenWord == word) {
            cout << "Congratulations! You guessed the word: " << word <<endl;
            winCount++;
        } else {
            cout << "Sorry, you ran out of tries. The word was: " << word <<endl;
            loseCount++;
        } 

        cout << "Wins: " << winCount << " Losses: " << loseCount << endl;
        cout << "Do you want to play again? (y/n): ";
        cin >> playAgain;
        cout << std::endl;
    }

    cout << "Thank you for playing Hangman!" << endl;

    return 0;
}

C++ Online Compiler

Write, Run & Share C++ code online using OneCompiler's C++ online compiler for free. It's one of the robust, feature-rich online compilers for C++ language, running on the latest version 17. Getting started with the OneCompiler's C++ compiler is simple and pretty fast. The editor shows sample boilerplate code when you choose language as C++ and start coding!

Read inputs from stdin

OneCompiler's C++ online compiler supports stdin and users can give inputs to programs using the STDIN textbox under the I/O tab. Following is a sample program which takes name as input and print your name with hello.

#include <iostream>
#include <string>
using namespace std;

int main() 
{
    string name;
    cout << "Enter name:";
    getline (cin, name);
    cout << "Hello " << name;
    return 0;
}

About C++

C++ is a widely used middle-level programming language.

  • Supports different platforms like Windows, various Linux flavours, MacOS etc
  • C++ supports OOPS concepts like Inheritance, Polymorphism, Encapsulation and Abstraction.
  • Case-sensitive
  • C++ is a compiler based language
  • C++ supports structured programming language
  • C++ provides alot of inbuilt functions and also supports dynamic memory allocation.
  • Like C, C++ also allows you to play with memory using Pointers.

Syntax help

Loops

1. If-Else:

When ever you want to perform a set of operations based on a condition If-Else is used.

if(conditional-expression) {
   //code
}
else {
   //code
}

You can also use if-else for nested Ifs and If-Else-If ladder when multiple conditions are to be performed on a single variable.

2. Switch:

Switch is an alternative to If-Else-If ladder.

switch(conditional-expression){    
case value1:    
 // code    
 break;  // optional  
case value2:    
 // code    
 break;  // optional  
......    
    
default:     
 code to be executed when all the above cases are not matched;    
}

3. For:

For loop is used to iterate a set of statements based on a condition.

for(Initialization; Condition; Increment/decrement){  
  //code  
}

4. While:

While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.

while (condition) {  
// code 
}

5. Do-While:

Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.

do {  
 // code 
} while (condition);

Functions

Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity. Function gets run only when it is called.

How to declare a Function:

return_type function_name(parameters);

How to call a Function:

function_name (parameters)

How to define a Function:

return_type function_name(parameters) {  
 // code
}