// Simple Quiz App with Timer
let questions = [
    { question: "What is 2 + 2?", answer: "4" },
    { question: "What is the capital of France?", answer: "Paris" },
];
let timeLeft = 30;
let currentQuestion = 0;

function startQuiz() {
    let timer = setInterval(() => {
        timeLeft--;
        console.log(`Time left: ${timeLeft}s`);
        if (timeLeft <= 0) {
            clearInterval(timer);
            console.log("Time's up!");
        }
    }, 1000);

    askQuestion();
}

function askQuestion() {
    if (currentQuestion < questions.length) {
        let q = questions[currentQuestion];
        console.log(q.question);
        currentQuestion++;
    } else {
        console.log("Quiz Over!");
    }
}

startQuiz();
            

// Password Strength Checker
function checkPasswordStrength(password) {
    let strength = 0;
    if (password.length >= 8) strength++;
    if (/[A-Z]/.test(password)) strength++;
    if (/[0-9]/.test(password)) strength++;
    if (/[@$!%*?&]/.test(password)) strength++;

    switch (strength) {
        case 1: return "Weak";
        case 2: return "Medium";
        case 3: return "Strong";
        case 4: return "Very Strong";
        default: return "Very Weak";
    }
}

console.log(checkPasswordStrength("Test123!")); // Very Strong
            

// Temperature Converter
function convertTemperature(value, unit) {
    if (unit === "C") {
        return (value * 9/5) + 32; // Celsius to Fahrenheit
    } else if (unit === "F") {
        return (value - 32) * 5/9; // Fahrenheit to Celsius
    } else {
        return "Invalid unit";
    }
}

console.log(convertTemperature(100, "C")); // Output: 212
            

                Screen = Tk()
Screen.title("PythonGeeks Mad Libs Generator")
Screen.geometry('400x400')
Screen.config(bg="pink")
Label(Screen, text='PythonGeeks Mad Libs Generator').place(x=100, y=20)
#creating buttons
Story1Button = Button(Screen, text='A memorable day', font=("Times New Roman", 13),command=lambda: Story1(Screen),bg='Blue')
Story1Button.place(x=140, y=90)
Story2Button = Button(Screen, text='Ambitions', font=("Times New Roman", 13),command=lambda: Story2(Screen), bg='Blue')
Story2Button.place(x=150, y=150)
 
Screen.update()
Screen.mainloop()


            

                def Story1(win):
  def final(tl: Toplevel, name, sports, City, playername, drinkname, snacks):
 
    text = f'''
       One day me and my friend {name} decided to play a {sports} game in {City}.
       We wanted to watch {playername}.
       We drank {drinkname} and also ate some {snacks} 
       We really enjoyed! We are looking forward to go again and enjoy '''
 
    tl.geometry(newGeometry='500x550')
 
    Label(tl, text='Story:',  wraplength=tl.winfo_width()).place(x=160, y=310)
    Label(tl, text=text,wraplength=tl.winfo_width()).place(x=0, y=330)
 
  NewScreen = Toplevel(win, bg='yellow')
  NewScreen.title("A memorable day")
  NewScreen.geometry('500x500')
  Label(NewScreen, text='Memorable Day').place(x=100, y=0)
  Label(NewScreen, text='Name:').place(x=0, y=35)
  Label(NewScreen, text='Enter a game:').place(x=0, y=70)
  Label(NewScreen, text='Enter a city:').place(x=0, y=110)
  Label(NewScreen, text='Enter the name of a player:').place(x=0, y=150)
  Label(NewScreen, text='Enter the name of a drink:').place(x=0, y=190)
  Label(NewScreen, text='Enter the name of a snack:').place(x=0, y=230)
  Name = Entry(NewScreen, width=17)
  Name.place(x=250, y=35)
  game = Entry(NewScreen, width=17)
  game.place(x=250, y=70)
  city = Entry(NewScreen, width=17)
  city.place(x=250, y=105)
  player = Entry(NewScreen, width=17)
  player.place(x=250, y=150)
  drink = Entry(NewScreen, width=17)
  drink.place(x=250, y=190)
  snack = Entry(NewScreen, width=17)
  snack.place(x=250, y=220)
  SubmitButton = Button(NewScreen, text="Submit", background="Blue", font=('Times', 12), command=lambda:final(NewScreen, Name.get(), game.get(), city.get(), player.get(), drink.get(), snack.get()))
  SubmitButton.place(x=150, y=270)
 
  NewScreen.mainloop()
                

            

                def Story2(win):
def final(tl: Toplevel, profession, noun, feeling, emotion,verb):
            text = f'''
            One day me and my friend {name} decided to play a {sports} game in {City}.
       But we were not able to play. So, we went to the game and watched our favourite player {playername}.
       We drank {drinkname} and also ate some {snacks} 
       We really enjoyed it! We are looking forward to go again and enjoy 
'''
 
            tl.geometry(newGeometry='500x550')
 
            Label(tl, text='Story:',  wraplength=tl.winfo_width()).place(x=160, y=310)
            Label(tl, text=text,wraplength=tl.winfo_width()).place(x=0, y=330)
    NewScreen = Toplevel(win, bg='red')
    NewScreen.title("Ambitions")
    NewScreen.geometry('500x500')
    Label(NewScreen, text='Ambitions').place(x=150, y=0)
    Label(NewScreen, text='Enter a profession:').place(x=0, y=35)
    Label(NewScreen, text='Enter a noun:').place(x=0, y=70)
    Label(NewScreen, text='Enter a feeling:').place(x=0, y=110)
    Label(NewScreen, text='Enter a emotion:').place(x=0, y=150)
    Label(NewScreen, text='Enter a verb:').place(x=0, y=190)
    Profession = Entry(NewScreen, width=17)
    Profession.place(x=250, y=35)
    Noun = Entry(NewScreen, width=17)
    Noun.place(x=250, y=70)
    Feeling = Entry(NewScreen, width=17)
    Feeling.place(x=250, y=105)
    Emotion= Entry(NewScreen, width=17)
    Emotion.place(x=250, y=150)
    Verb = Entry(NewScreen, width=17)
    Verb.place(x=250, y=190)
    SubmitButton = Button(NewScreen, text="Submit", background="Blue", font=('Times', 12), command=lambda:final(NewScreen, Profession.get(), Noun.get(), Feeling.get(), Emotion.get(), Verb.get()))
    SubmitButton.place(x=150, y=270)
                

            

                


    
        Welcome to GeeksforGeeks TechCon 2025
        The Ultimate Technology and Programming Conference
    
    
        About |
        Schedule |
        Speakers |
        Contact
    
    
        About the Event
        MrCode TechCon 2025 brings together leading minds in programming,
          tech, and innovation. Join us for a day of insightful talks, hands-on workshops,
          and an opportunity to network with fellow geeks and professionals from all around the world.
    
    
        Event Schedule
        
            
                
                    Time
                    Session
                    Contest
                
            
            
                
                    9:00 AM
                    Opening Keynote
                    GeeksforGeeks Coding Plateform
                
                
                    10:30 AM
                    Understanding AI and Machine Learning
                    Mr. Arvind Kumar
                
                
                    1:00 PM
                    Lunch Break
                    -
                
                
                    2:00 PM
                    Exploring the Future of Cloud Computing
                    Ms. Neha Gupta
                
            
        
    
    
        Meet the Speakers
        
            Dr. Radhika Sharma: AI Expert and Researcher
            Mr. Arvind Kumar: Senior Data Scientist at TechWave
            Ms. Neha Gupta: Cloud Computing Specialist at CloudTech
            Mr. Sandeep Reddy: Full Stack Developer and Open-Source Contributor
        
    
    
        Contact Us
        
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            Email:
            
            Message:
            
            Send
        
    


                

            

                #include  
                    #include  
                      
                    // Structure to hold customer information 
                    struct Customer { 
                        char name[50]; 
                        char phoneNumber[15]; 
                        float usage; 
                        float totalBill; 
                    }; 
                      
                    struct Customer 
                        customers[100]; // Array to store customer data 
                    int customerCount = 0; // Variable to keep track of the 
                                           // number of customers 
                      
                    // Function to add a new customer record 
                    void addRecord() 
                    { 
                        if (customerCount < 100) { 
                            printf("\nEnter name: "); 
                            scanf(" %[^\n]s", customers[customerCount].name); 
                            printf("Enter phone number: "); 
                            scanf("%s", customers[customerCount].phoneNumber); 
                            printf("Enter usage (in minutes): "); 
                            scanf("%f", &customers[customerCount].usage); 
                            customers[customerCount].totalBill 
                                = customers[customerCount].usage * 0.1; 
                            customerCount++; 
                            printf("\nRecord added successfully!\n"); 
                        } 
                        else { 
                            printf("\nMaximum number of records reached!\n"); 
                        } 
                    } 
                      
                    // Function to view the list of customer records 
                    void viewRecords() 
                    { 
                        printf("\nName\tPhone Number\tUsage(min)\tTotal "
                               "Bill($)\n"); 
                        for (int i = 0; i < customerCount; i++) { 
                            printf("%s\t%s\t%.2f\t\t%.2f\n", customers[i].name, 
                                   customers[i].phoneNumber, customers[i].usage, 
                                   customers[i].totalBill); 
                        } 
                    } 
                      
                    // Function to modify a customer record 
                    void modifyRecord(char phoneNumber[]) 
                    { 
                        for (int i = 0; i < customerCount; i++) { 
                            if (strcmp(customers[i].phoneNumber, phoneNumber) 
                                == 0) { 
                                printf( 
                                    "\nEnter new usage (in minutes) for %s: ", 
                                    customers[i].name); 
                                scanf("%f", &customers[i].usage); 
                                customers[i].totalBill 
                                    = customers[i].usage * 0.1; 
                                printf("\nRecord modified successfully!\n"); 
                                return; 
                            } 
                        } 
                        printf("\nRecord not found!\n"); 
                    } 
                      
                    // Function to view payment for a customer 
                    void viewPayment(char phoneNumber[]) 
                    { 
                        for (int i = 0; i < customerCount; i++) { 
                            if (strcmp(customers[i].phoneNumber, phoneNumber) 
                                == 0) { 
                                printf( 
                                    "%s\t%s\t%.2f\t\t%.2f\n", customers[i].name, 
                                    customers[i].phoneNumber, 
                                    customers[i].usage, customers[i].totalBill); 
                                return; 
                            } 
                        } 
                        printf("\nRecord not found!\n"); 
                    } 
                      
                    // Function to delete a customer record 
                    void deleteRecord(char phoneNumber[]) 
                    { 
                        for (int i = 0; i < customerCount; i++) { 
                            if (strcmp(customers[i].phoneNumber, phoneNumber) 
                                == 0) { 
                                for (int j = i; j < customerCount - 1; j++) { 
                                    customers[j] = customers[j + 1]; 
                                } 
                                customerCount--; 
                                printf("\nRecord deleted successfully!\n"); 
                                return; 
                            } 
                        } 
                        printf("\nRecord not found!\n"); 
                    } 
                      
                    // Function to display menu options 
                    void displayMenu() 
                    { 
                        printf("\n1. Add New Record\n"); 
                        printf("2. View List of Records\n"); 
                        printf("3. Modify Record\n"); 
                        printf("4. View Payment\n"); 
                        printf("5. Delete Record\n"); 
                        printf("6. Exit\n"); 
                    } 
                      
                    int main() 
                    { 
                        int choice; 
                        char phoneNumber[15]; 
                      
                        while (1) { 
                            displayMenu(); 
                            printf("Enter your choice: "); 
                            scanf("%d", &choice); 
                      
                            switch (choice) { 
                            case 1: 
                                addRecord(); 
                                break; 
                            case 2: 
                                viewRecords(); 
                                break; 
                            case 3: 
                                printf( 
                                    "\nEnter phone number to modify record: "); 
                                scanf("%s", phoneNumber); 
                                modifyRecord(phoneNumber); 
                                break; 
                            case 4: 
                                printf( 
                                    "\nEnter phone number to view payment: "); 
                                scanf("%s", phoneNumber); 
                                viewPayment(phoneNumber); 
                                break; 
                            case 5: 
                                printf( 
                                    "\nEnter phone number to delete record: "); 
                                scanf("%s", phoneNumber); 
                                deleteRecord(phoneNumber); 
                                break; 
                            case 6: 
                                return 0; 
                            default: 
                                printf("\nInvalid choice! Please try again.\n"); 
                            } 
                        } 
                      
                        return 0; 
                    }
                

            

                // C program to implement an interactive
// snake game
#include 
#include 
#include 
#include 
#include 

// Macros variable (HEIGHT, WIDTH)
#define HEIGHT 20
#define WIDTH 40

// Array to store the coordinates of snake
// tail (x-axis, y-axis)
int snakeTailX[100], snakeTailY[100];

// Variable to store the length of the
// snake's tail
int snakeTailLen;

// Score and signal flags
int gameover, key, score;

// Coordinates of snake's head and fruit
int x, y, fruitx, fruity;

// Function to generate the fruit
// within the boundary
void setup() {
    
    // Flag to signal the gameover
    gameover = 0;

    // Initial coordinates of the snake
    x = WIDTH / 2;
    y = HEIGHT / 2;
    
    // Initial coordinates of the fruit
    fruitx = rand() % WIDTH;
    fruity = rand() % HEIGHT;
    while (fruitx == 0)
        fruitx = rand() % WIDTH;

    while (fruity == 0)
        fruity = rand() % HEIGHT;

    // Score initialzed
    score = 0;
}

// Function to draw the game field, snake
// and fruit
void draw() {
    system("cls");
    
    // Creating top wall
    for (int i = 0; i < WIDTH + 2; i++)
        printf("-");
    printf("\n");
    
    for (int i = 0; i < HEIGHT; i++) {
        for (int j = 0; j <= WIDTH; j++) {

            // Creating side walls with '#'
            if (j == 0 || j == WIDTH)
                printf("#");
            
            // Creating snake's head with 'O'
            if (i == y && j == x)
                printf("O");
            
            // Creating the sanke's food with '*'
            else if (i == fruity && j == fruitx)
                printf("*");
            
            // Creating snake's body with 'o'
            else {
                int prTail = 0;
                for (int k = 0; k < snakeTailLen; k++) {
                    if (snakeTailX[k] == j
                        && snakeTailY[k] == i) {
                        printf("o");
                        prTail = 1;
                    }
                }
                if (!prTail)
                    printf(" ");
            }
        }
      printf("\n");
            
    }
    
    // Creating bottom walls with '-'
    for (int i = 0; i < WIDTH + 2; i++)
        printf("-");
     printf("\n");

    // Print the score and instructions
    printf("score = %d", score);
    printf("\n");
    printf("Press W, A, S, D for movement.\n");
    printf("Press X to quit the game.");
}

// Function to take the real time input and
// set the 'flag' variable accordingly
void input() {
    if (kbhit()) {
        switch (tolower(getch())) {
        case 'a':
            if(key!=2)
            key = 1;
            break;
        case 'd':
            if(key!=1)
            key = 2;
            break;
        case 'w':
            if(key!=4)
            key = 3;
            break;
        case 's':
            if(key!=3)
            key = 4;
            break;
        case 'x':
            gameover = 1;
            break;
        }
    }
}

// Function for the movement logic that
// checks eat, move, collisions
void logic() {
    
    // Updating the coordinates for continous
    // movement of snake
    int prevX = snakeTailX[0];
    int prevY = snakeTailY[0];
    int prev2X, prev2Y;
    snakeTailX[0] = x;
    snakeTailY[0] = y;
    for (int i = 1; i < snakeTailLen; i++) {
        prev2X = snakeTailX[i];
        prev2Y = snakeTailY[i];
        snakeTailX[i] = prevX;
        snakeTailY[i] = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }
    
    // Changing the direction of movement of snake
    switch (key) {
    case 1:
        x--;
        break;
    case 2:
        x++;
        break;
    case 3:
        y--;
        break;
    case 4:
        y++;
        break;
    default:
        break;
    }

    // If the game is over
    if (x < 0 || x >= WIDTH || y < 0 || y >= HEIGHT)
        gameover = 1;
        
    // Checks for collision with the tail (o)
    for (int i = 0; i < snakeTailLen; i++) {
        if (snakeTailX[i] == x && snakeTailY[i] == y)
            gameover = 1;
    }

    // If snake reaches the fruit
    // then update the score
    if (x == fruitx && y == fruity) {
        fruitx = rand() % WIDTH;
        fruity = rand() % HEIGHT;
        while (fruitx == 0)
            fruitx = rand() % WIDTH;

        // Generation of new fruit
        while (fruity == 0)
            fruity = rand() % HEIGHT;
        score += 10;
         snakeTailLen++;
    }
}

void main() {
  
    // Initial set up that initialize the
    // required variables
    setup();

    // Game loop starts here
    while (!gameover) {

        // Functions that will be called
        // repeatedly after the given interval
        draw();
        input();
        logic();
        Sleep(33);
    }
}

                

            

                // C program to print the month by month 
// calendar for the given year 

#include  

// Function that returns the index of the 
// day for date DD/MM/YYYY 
int dayNumber(int day, int month, int year) 
{ 

    static int t[] = { 0, 3, 2, 5, 0, 3, 
                    5, 1, 4, 6, 2, 4 }; 
    year -= month < 3; 
    return (year + year / 4 
            - year / 100 
            + year / 400 
            + t[month - 1] + day) 
        % 7; 
} 

// Function that returns the name of the 
// month for the given month Number 
// January - 0, February - 1 and so on 
char* getMonthName(int monthNumber) 
{ 
    char* month; 

    switch (monthNumber) { 
    case 0: 
        month = "January"; 
        break; 
    case 1: 
        month = "February"; 
        break; 
    case 2: 
        month = "March"; 
        break; 
    case 3: 
        month = "April"; 
        break; 
    case 4: 
        month = "May"; 
        break; 
    case 5: 
        month = "June"; 
        break; 
    case 6: 
        month = "July"; 
        break; 
    case 7: 
        month = "August"; 
        break; 
    case 8: 
        month = "September"; 
        break; 
    case 9: 
        month = "October"; 
        break; 
    case 10: 
        month = "November"; 
        break; 
    case 11: 
        month = "December"; 
        break; 
    default:
        month = "Invalid"; // Warning: Improper usage of function can lead to undefined behavior.
        break;

    } 
    return month; 
} 

// Function to return the number of days 
// in a month 
int numberOfDays(int monthNumber, int year) 
{ 
    // January 
    if (monthNumber == 0) 
        return (31); 

    // February 
    if (monthNumber == 1) { 
        // If the year is leap then Feb 
        // has 29 days 
        if (year % 400 == 0 
            || (year % 4 == 0 
                && year % 100 != 0)) 
            return (29); 
        else
            return (28); 
    } 

    // March 
    if (monthNumber == 2) 
        return (31); 

    // April 
    if (monthNumber == 3) 
        return (30); 

    // May 
    if (monthNumber == 4) 
        return (31); 

    // June 
    if (monthNumber == 5) 
        return (30); 

    // July 
    if (monthNumber == 6) 
        return (31); 

    // August 
    if (monthNumber == 7) 
        return (31); 

    // September 
    if (monthNumber == 8) 
        return (30); 

    // October 
    if (monthNumber == 9) 
        return (31); 

    // November 
    if (monthNumber == 10) 
        return (30); 

    // December 
    if (monthNumber == 11) 
        return (31);
} 

// Function to print the calendar of 
// the given year 
void printCalendar(int year) 
{ 
    printf("     Calendar - %d\n\n", year); 
    int days; 

    // Index of the day from 0 to 6 
    int current = dayNumber(1, 1, year); 

    // i for Iterate through months 
    // j for Iterate through days 
    // of the month - i 
    for (int i = 0; i < 12; i++) { 
        days = numberOfDays(i, year); 

        // Print the current month name 
        printf("\n ------------%s-------------\n", 
            getMonthName(i)); 

        // Print the columns 
        printf(" Sun Mon Tue Wed Thu Fri Sat\n"); 

        // Print appropriate spaces 
        int k; 
        for (k = 0; k < current; k++) 
            printf("     "); 

        for (int j = 1; j <= days; j++) { 
            printf("%5d", j); 

            if (++k > 6) { 
                k = 0; 
                printf("\n"); 
            } 
        } 

        if (k) 
            printf("\n"); 

        current = k; 
    } 

    return; 
} 

// Driver Code 
int main() 
{ 
    int year = 2016; // Warning: For beginners, it may not be clear how to input a custom year.
                     // Suggest replacing this with a scanf() for user input.

    // Function Call 
    printCalendar(year); 
    return 0; 
}
                

            

                // C program to implement hangman game
#include 
#include 
#include 
#include 
#include 
#include 

#define MAX_WORD_LENGTH 50
#define MAX_TRIES 6

// Struct to hold a word and its hint
struct WordWithHint {
    char word[MAX_WORD_LENGTH];
    char hint[MAX_WORD_LENGTH];
};

// Function to display the current state of the word
void displayWord(const char word[], const bool guessed[]);

// Function to draw the hangman
void drawHangman(int tries);

// driver code
int main()
{
    // Seed the random number generator with the current
    // time
    srand(time(NULL));
    // Array of words with hints
    struct WordWithHint wordList[] = {
        { "geeksforgeeks", "Computer coding" },
        { "elephant", "A large mammal with a trunk" },
        { "pizza", "A popular Italian dish" },
        { "beach", "Sandy shore by the sea" },
        // Add more words and hints here
    };

    // Select a random word from the list
    int wordIndex = rand() % 4;

    const char* secretWord = wordList[wordIndex].word;
    const char* hint = wordList[wordIndex].hint;

    int wordLength = strlen(secretWord);
    char guessedWord[MAX_WORD_LENGTH] = { 0 };
    bool guessedLetters[26] = { false };

    printf("Welcome to Hangman!\n");
    printf("Hint: %s\n", hint);

    int tries = 0;

    while (tries < MAX_TRIES) {
        printf("\n");
        displayWord(guessedWord, guessedLetters);
        drawHangman(tries);

        char guess;
        printf("Enter a letter: ");
        scanf(" %c", &guess);
        guess = tolower(guess);

        if (guessedLetters[guess - 'a']) {
            printf("You've already guessed that letter. "
                   "Try again.\n");
            continue;
        }

        guessedLetters[guess - 'a'] = true;

        bool found = false;
        for (int i = 0; i < wordLength; i++) {
            if (secretWord[i] == guess) {
                found = true;
                guessedWord[i] = guess;
            }
        }

        if (found) {
            printf("Good guess!\n");
        }
        else {
            printf("Sorry, the letter '%c' is not in the "
                   "word.\n",
                   guess);
            tries++;
        }

        if (strcmp(secretWord, guessedWord) == 0) {
            printf("\nCongratulations! You've guessed the "
                   "word: %s\n",
                   secretWord);
            break;
        }
    }

    if (tries >= MAX_TRIES) {
        printf("\nSorry, you've run out of tries. The word "
               "was: %s\n",
               secretWord);
    }

    return 0;
}

void displayWord(const char word[], const bool guessed[])
{
    printf("Word: ");
    for (int i = 0; word[i] != '\0'; i++) {
        if (guessed[word[i] - 'a']) {
            printf("%c ", word[i]);
        }
        else {
            printf("_ ");
        }
    }
    printf("\n");
}

void drawHangman(int tries)
{
    const char* hangmanParts[]
        = { "     _________",    "    |         |",
            "    |         O",   "    |        /|\\",
            "    |        / \\", "    |" };

    printf("\n");
    for (int i = 0; i <= tries; i++) {
        printf("%s\n", hangmanParts[i]);
    }
}
                

            

                // C Program to make a Simple Calculator using 
// switch-case statements
#include 
#include 

int main() {
    char op;
    double a, b, res;

    // Read the operator
    printf("Enter an operator (+, -, *, /): ");
    scanf("%c", &op);

    // Read the two numbers
    printf("Enter two operands: ");
    scanf("%lf %lf", &a, &b);
    
    // Define all four operations in the corresponding
    // switch-case
    switch (op) {
    case '+':
        res = a + b;
        break;
    case '-':
        res = a - b;
        break;
    case '*':
         res = a * b;
        break;
    case '/':
        res = a / b;
        break;
    default:
        printf("Error! Incorrect Operator Value\n");
        res = -DBL_MAX;
    }
    if(res!=-DBL_MAX)
      printf("%.2lf", res);
    
    return 0;
}
                

            

                / C Program to implement Snake and Ladder Game 
#include  
#include  
#include  
// Function to roll a six-sided die 
int rollDie() { return rand() % 6 + 1; } 
  
// global variables to store postions of player1 and player2 
int player1 = 0, player2 = 0; 
  
// Function to print the board 
void printBoard() 
{ 
    // logic to print a snake-ladder Game board 
    // programmer can implement their own logic for the board, 
      // this is one way to print a snake ladder board. 
    int board[101]; 
    for (int i = 1; i <= 100; i++) { 
        board[i] = i; 
    } 
  
    int alt = 0; // to switch between the alternate nature of the board 
    int iterLR = 101; // iterator to print from left to right 
    int iterRL = 80;  // iterator to print from right to left 
    int val = 100;     
    while (val--) { 
        if (alt == 0) { 
            iterLR--; 
            if (iterLR == player1) { 
                printf("#P1    "); 
            } 
            else if (iterLR == player2) { 
                printf("#P2    "); 
            } 
            else
                printf("%d    ", board[iterLR]); 
  
            if (iterLR % 10 == 1) { 
                printf("\n\n"); 
                alt = 1; 
                iterLR -= 10; 
            } 
        } 
        else { 
            iterRL++; 
            if (iterRL == player1) { 
                printf("#P1    "); 
            } 
            else if (iterRL == player2) { 
                printf("#P2    "); 
            } 
            else
                printf("%d    ", board[iterRL]); 
  
            if (iterRL % 10 == 0) { 
                printf("\n\n"); 
                alt = 0; 
                iterRL -= 30; 
            } 
        } 
        if (iterRL == 10) 
            break; 
    } 
    printf("\n"); 
} 
  
// Function to move the player 
int movePlayer(int currentPlayer, int roll) 
{ 
    int newPosition = currentPlayer + roll; 
    // Define the positions of snakes and ladders on the 
    // board 
    int snakesAndLadders[101]; 
  
    for (int i = 0; i <= 100; i++) { 
        snakesAndLadders[i] = 0; 
    } 
    
      // here positive weights represent a ladder 
      // and negative weights represent a snake. 
    snakesAndLadders[6] = 40; 
    snakesAndLadders[23] = -10; 
    snakesAndLadders[45] = -7; 
    snakesAndLadders[61] = -18; 
    snakesAndLadders[65] = -8; 
    snakesAndLadders[77] = 5; 
    snakesAndLadders[98] = -10; 
  
    int newSquare 
        = newPosition + snakesAndLadders[newPosition]; 
  
    if (newSquare > 100) { 
        return currentPlayer; // Player cannot move beyond 
                              // square 100 
    } 
  
    return newSquare; 
} 
  
int main() 
{ 
    srand(time(0)); // Initialize random seed 
    int currentPlayer = 1; 
    int won = 0; 
  
    printf("Snake and Ladder Game\n"); 
  
    while (!won) { 
  
        printf( 
            "\nPlayer %d, press Enter to roll the die...", 
            currentPlayer); 
        getchar(); // Wait for the player to press Enter 
        int roll = rollDie(); 
        printf("You rolled a %d.\n", roll); 
  
        if (currentPlayer == 1) { 
            player1 = movePlayer(player1, roll); 
            printf("Player 1 is now at square %d.\n\n", 
                   player1); 
            printBoard(); 
            if (player1 == 100) { 
                printf("Player 1 wins!\n"); 
                won = 1; 
            } 
        } 
        else { 
            player2 = movePlayer(player2, roll); 
            printf("Player 2 is now at square %d.\n\n", 
                   player2); 
            printBoard(); 
            if (player2 == 100) { 
                printf("Player 2 wins!\n"); 
                won = 1; 
            } 
        } 
  
        // Switch to the other player 
        currentPlayer = (currentPlayer == 1) ? 2 : 1; 
    } 
  
    return 0; 
}
                

            

                // C program to implement
// the above approach
#include 
#include 
#include 
#include 
#include 
 
// Declaring all the functions
void checkbalance(char*);
void transfermoney(void);
void display(char*);
void person(char*);
void login(void);
void loginsu(void);
void account(void);
void accountcreated(void);
void afterlogin(void);
void logout(void);
 
// Declaring gotoxy
// function for setting
// cursor position
void gotoxy(int x, int y)
{
    COORD c;
    c.X = x;
    c.Y = y;
 
    SetConsoleCursorPosition(
        GetStdHandle(STD_OUTPUT_HANDLE), c);
}
 
// Creating a structure to store
// data of the user
struct pass {
    char username[50];
    int date, month, year;
    char pnumber[15];
    char adharnum[20];
    char fname[20];
    char lname[20];
    char fathname[20];
    char mothname[20];
    char address[50];
    char typeaccount[20];
};
 
// Structure to keep track
// of amount transfer
struct money {
    char usernameto[50];
    char userpersonfrom[50];
    long int money1;
};
 
struct userpass {
    char password[50];
};
 
// Driver Code
int main()
{
    int i, a, b, choice;
    int passwordlength;
 
    gotoxy(20, 3);
 
    // Creating a Main
    // menu for the user
    printf("WELCOME TO BANK ACCOUNT SYSTEM\n\n");
    gotoxy(18, 5);
 
    printf("**********************************");
    gotoxy(25, 7);
 
    printf("DEVELOPER-Naman kumar");
 
    gotoxy(20, 10);
    printf("1.... CREATE A BANK ACCOUNT");
 
    gotoxy(20, 12);
    printf("2.... ALREADY A USER? SIGN IN");
    gotoxy(20, 14);
    printf("3.... EXIT\n\n");
 
    printf("\n\nENTER YOUR CHOICE..");
 
    scanf("%d", &choice);
 
    switch (choice) {
    case 1:
        system("cls");
        printf("\n\n USERNAME 50 CHARACTERS MAX!!");
        printf("\n\n PASSWORD 50 CHARACTERS MAX!!");
        account();
        break;
 
    case 2:
        login();
        break;
 
    case 3:
        exit(0);
        break;
 
        getch();
    }
}
 
// Function to create accounts
// of users
void account(void)
{
    char password[20];
    int passwordlength, i, seek = 0;
    char ch;
    FILE *fp, *fu;
    struct pass u1;
    struct userpass p1;
 
    struct userpass u2;
 
    // Opening file to
    // write data of a user
    fp = fopen("username.txt", "ab");
 
    // Inputs
    system("cls");
    printf("\n\n!!!!!CREATE ACCOUNT!!!!!");
 
    printf("\n\nFIRST NAME..");
    scanf("%s", &u1.fname);
 
    printf("\n\n\nLAST NAME..");
    scanf("%s", &u1.lname);
 
    printf("\n\nFATHER's NAME..");
    scanf("%s", &u1.fathname);
 
    printf("\n\nMOTHER's NAME..");
    scanf("%s", &u1.mothname);
 
    printf("\n\nADDRESS..");
    scanf("%s", &u1.address);
 
    printf("\n\nACCOUNT TYPE");
    scanf("%s", &u1.typeaccount);
 
    printf("\n\nDATE OF BIRTH..");
    printf("\nDATE-");
    scanf("%d", &u1.date);
    printf("\nMONTH-");
    scanf("%d", &u1.month);
    printf("\nYEAR-");
    scanf("%d", &u1.year);
 
    printf("\n\nADHAR NUMBER");
    scanf("%s", u1.adharnum);
 
    printf("\n\nPHONE NUMBER");
    scanf("%s", u1.pnumber);
 
    printf("\n\nUSERNAME.. ");
    scanf("%s", &u1.username);
 
    printf("\n\nPASSWORD..");
 
    // Taking password in the form of
    // stars
    for (i = 0; i < 50; i++) {
        ch = getch();
        if (ch != 13) {
            password[i] = ch;
            ch = '*';
            printf("%c", ch);
        }
        else
            break;
    }
 
    // Writing to the file
    fwrite(&u1, sizeof(u1),
           1, fp);
 
    // Closing file
    fclose(fp);
 
    // Calling another function
    // after successful creation
    // of account
    accountcreated();
}
 
// Successful account creation
void accountcreated(void)
{
    int i;
    char ch;
    system("cls");
    printf(
        "PLEASE WAIT....\n\nYOUR DATA IS PROCESSING....");
    for (i = 0; i < 200000000; i++) {
        i++;
        i--;
    }
 
    gotoxy(30, 10);
 
    printf("ACCOUNT CREATED SUCCESSFULLY....");
    gotoxy(0, 20);
 
    printf("Press enter to login");
 
    getch();
    login();
}
 
// Login function to check
// the username of the user
void login(void)
{
    system("cls");
 
    char username[50];
    char password[50];
 
    int i, j, k;
    char ch;
    FILE *fp, *fu;
    struct pass u1;
    struct userpass u2;
 
    // Opening file of
    // user data
    fp = fopen("username.txt",
               "rb");
 
    if (fp == NULL) {
        printf("ERROR IN OPENING FILE");
    }
    gotoxy(34, 2);
    printf(" ACCOUNT LOGIN ");
    gotoxy(7, 5);
    printf("***********************************************"
           "********************************");
 
    gotoxy(35, 10);
    printf("==== LOG IN ====");
 
    // Take input
    gotoxy(35, 12);
    printf("USERNAME.. ");
    scanf("%s", &username);
 
    gotoxy(35, 14);
    printf("PASSWORD..");
 
    // Input the password
    for (i = 0; i < 50; i++) {
        ch = getch();
        if (ch != 13) {
            password[i] = ch;
            ch = '*';
            printf("%c", ch);
        }
 
        else
            break;
    }
 
    // Checking if username
    // exists in the file or not
    while (fread(&u1, sizeof(u1),
                 1, fp)) {
        if (strcmp(username,
                   u1.username)
            == 0) {
            loginsu();
            display(username);
        }
    }
 
    // Closing the file
    fclose(fp);
}
 
// Redirect after
// successful login
void loginsu(void)
{
    int i;
    FILE* fp;
    struct pass u1;
    system("cls");
    printf("Fetching account details.....\n");
    for (i = 0; i < 20000; i++) {
        i++;
        i--;
    }
 
    gotoxy(30, 10);
    printf("LOGIN SUCCESSFUL....");
    gotoxy(0, 20);
    printf("Press enter to continue");
 
    getch();
}
 
// Display function to show the
// data of the user on screen
void display(char username1[])
{
    system("cls");
    FILE* fp;
    int choice, i;
    fp = fopen("username.txt", "rb");
    struct pass u1;
 
    if (fp == NULL) {
        printf("error in opening file");
    }
 
    while (fread(&u1, sizeof(u1),
                 1, fp)) {
        if (strcmp(username1,
                   u1.username)
            == 0) {
            gotoxy(30, 1);
            printf("WELCOME, %s %s",
                   u1.fname, u1.lname);
            gotoxy(28, 2);
            printf("..........................");
            gotoxy(55, 6);
            printf("==== YOUR ACCOUNT INFO ====");
            gotoxy(55, 8);
            printf("***************************");
            gotoxy(55, 10);
            printf("NAME..%s %s", u1.fname,
                   u1.lname);
 
            gotoxy(55, 12);
            printf("FATHER's NAME..%s %s",
                   u1.fathname,
                   u1.lname);
 
            gotoxy(55, 14);
            printf("MOTHER's NAME..%s",
                   u1.mothname);
 
            gotoxy(55, 16);
            printf("ADHAR CARD NUMBER..%s",
                   u1.adharnum);
 
            gotoxy(55, 18);
            printf("MOBILE NUMBER..%s",
                   u1.pnumber);
 
            gotoxy(55, 20);
            printf("DATE OF BIRTH.. %d-%d-%d",
                   u1.date, u1.month, u1.year);
 
            gotoxy(55, 22);
            printf("ADDRESS..%s", u1.address);
 
            gotoxy(55, 24);
            printf("ACCOUNT TYPE..%s",
                   u1.typeaccount);
        }
    }
 
    fclose(fp);
 
    gotoxy(0, 6);
 
    // Menu to perform different
    // actions by user
    printf(" HOME ");
    gotoxy(0, 7);
    printf("******");
    gotoxy(0, 9);
    printf(" 1....CHECK BALANCE");
    gotoxy(0, 11);
    printf(" 2....TRANSFER MONEY");
    gotoxy(0, 13);
    printf(" 3....LOG OUT\n\n");
    gotoxy(0, 15);
    printf(" 4....EXIT\n\n");
 
    printf(" ENTER YOUR CHOICES..");
    scanf("%d", &choice);
 
    switch (choice) {
    case 1:
        checkbalance(username1);
        break;
 
    case 2:
        transfermoney();
        break;
 
    case 3:
        logout();
        login();
        break;
 
    case 4:
        exit(0);
        break;
    }
}
 
// Function to transfer
// money from one user to
// another
void transfermoney(void)
{
    int i, j;
    FILE *fm, *fp;
    struct pass u1;
    struct money m1;
    char usernamet[20];
    char usernamep[20];
    system("cls");
 
    // Opening file in read mode to
    // read user's username
    fp = fopen("username.txt", "rb");
 
    // Creating a another file
    // to write amount along with
    // username to which amount
    // is going to be transferred
    fm = fopen("mon.txt", "ab");
 
    gotoxy(33, 4);
    printf("---- TRANSFER MONEY ----");
    gotoxy(33, 5);
    printf("========================");
 
    gotoxy(33, 11);
    printf("FROM (your username).. ");
    scanf("%s", &usernamet);
 
    gotoxy(33, 13);
    printf(" TO (username of person)..");
    scanf("%s", &usernamep);
 
    // Checking for username if it
    // is present in file or not
    while (fread(&u1, sizeof(u1),
                 1, fp))
 
    {
        if (strcmp(usernamep,
                   u1.username)
            == 0) {
            strcpy(m1.usernameto,
                   u1.username);
            strcpy(m1.userpersonfrom,
                   usernamet);
        }
    }
    gotoxy(33, 16);
 
    // Taking amount input
    printf("ENTER THE AMOUNT TO BE TRANSFERRED..");
    scanf("%d", &m1.money1);
 
    // Writing to the file
    fwrite(&m1, sizeof(m1),
           1, fm);
 
    gotoxy(0, 26);
    printf(
        "--------------------------------------------------"
        "--------------------------------------------");
 
    gotoxy(0, 28);
    printf(
        "--------------------------------------------------"
        "--------------------------------------------");
 
    gotoxy(0, 29);
    printf("transferring amount, Please wait..");
 
    gotoxy(10, 27);
    for (i = 0; i < 70; i++) {
        for (j = 0; j < 1200000; j++) {
            j++;
            j--;
        }
        printf("*");
    }
 
    gotoxy(33, 40);
    printf("AMOUNT SUCCESSFULLY TRANSFERRED....");
    getch();
 
    // Close the files
    fclose(fp);
    fclose(fm);
 
    // Function to return
    // to the home screen
    display(usernamet);
}
 
// Function to check balance
// in users account
void checkbalance(char username2[])
{
    system("cls");
    FILE* fm;
    struct money m1;
    char ch;
    int i = 1, summoney = 0;
 
    // Opening amount file record
    fm = fopen("mon.txt", "rb");
 
    int k = 5, l = 10;
    int m = 30, n = 10;
    int u = 60, v = 10;
 
    gotoxy(30, 2);
    printf("==== BALANCE DASHBOARD ====");
    gotoxy(30, 3);
    printf("***************************");
    gotoxy(k, l);
    printf("S no.");
    gotoxy(m, n);
    printf("TRANSACTION ID");
    gotoxy(u, v);
    printf("AMOUNT");
 
    // Reading username to
    // fetch the correct record
    while (fread(&m1, sizeof(m1),
                 1, fm)) {
        if (strcmp(username2,
                   m1.usernameto)
            == 0) {
            gotoxy(k, ++l);
            printf("%d", i);
            i++;
            gotoxy(m, ++n);
            printf("%s", m1.userpersonfrom);
 
            gotoxy(u, ++v);
            printf("%d", m1.money1);
            // Adding and
            // finding total money
            summoney = summoney + m1.money1;
        }
    }
 
    gotoxy(80, 10);
    printf("TOTAL AMOUNT");
 
    gotoxy(80, 12);
    printf("%d", summoney);
 
    getch();
 
    // Closing file after
    // reading it
    fclose(fm);
    display(username2);
}
 
// Logout function to bring
// user to the login screen
void logout(void)
{
    int i, j;
    system("cls");
    printf("please wait, logging out");
 
    for (i = 0; i < 10; i++) {
        for (j = 0; j < 25000000; j++) {
            i++;
            i--;
        }
        printf(".");
    }
 
    gotoxy(30, 10);
    printf("Sign out successfully..\n");
 
    gotoxy(0, 20);
    printf("press any key to continue..");
 
    getch();
}
                

            

                // C++ program for the above approach
#include 
 
#define max 20
using namespace std;
 
// Structure of Employee
struct employee {
    string name;
    long int code;
    string designation;
    int exp;
    int age;
};
 
int num;
void showMenu();
 
// Array of Employees to store the
// data in the form of the Structure
// of the Array
employee emp[max], tempemp[max],
    sortemp[max], sortemp1[max];
 
// Function to build the given datatype
void build()
{
    cout << "Build The Table\n";
    cout << "Maximum Entries can be "
         << max << "\n";
 
    cout << "Enter the number of "
         << "Entries required";
    cin >> num;
 
    if (num > 20) {
        cout << "Maximum number of "
             << "Entries are 20\n";
        num = 20;
    }
    cout << "Enter the following data:\n";
 
    for (int i = 0; i < num; i++) {
        cout << "Name ";
        cin >> emp[i].name;
 
        cout << "Employee ID ";
        cin >> emp[i].code;
 
        cout << "Designation ";
        cin >> emp[i].designation;
 
        cout << "Experience ";
        cin >> emp[i].exp;
 
        cout << "Age ";
        cin >> emp[i].age;
    }
 
    showMenu();
}
 
// Function to insert the data into
// given data type
void insert()
{
    if (num < max) {
        int i = num;
        num++;
 
        cout << "Enter the information "
             << "of the Employee\n";
        cout << "Name ";
        cin >> emp[i].name;
 
        cout << "Employee ID ";
        cin >> emp[i].code;
 
        cout << "Designation ";
        cin >> emp[i].designation;
 
        cout << "Experience ";
        cin >> emp[i].exp;
 
        cout << "Age ";
        cin >> emp[i].age;
    }
    else {
        cout << "Employee Table Full\n";
    }
 
    showMenu();
}
 
// Function to delete record at index i
void deleteIndex(int i)
{
    for (int j = i; j < num - 1; j++) {
        emp[j].name = emp[j + 1].name;
        emp[j].code = emp[j + 1].code;
        emp[j].designation
            = emp[j + 1].designation;
        emp[j].exp = emp[j + 1].exp;
        emp[j].age = emp[j + 1].age;
    }
    return;
}
 
// Function to delete record
void deleteRecord()
{
    cout << "Enter the Employee ID "
         << "to Delete Record";
 
    int code;
 
    cin >> code;
    for (int i = 0; i < num; i++) {
        if (emp[i].code == code) {
            deleteIndex(i);
            num--;
            break;
        }
    }
    showMenu();
}
 
void searchRecord()
{
    cout << "Enter the Employee"
         << " ID to Search Record";
 
    int code;
    cin >> code;
 
    for (int i = 0; i < num; i++) {
 
        // If the data is found
        if (emp[i].code == code) {
            cout << "Name "
                 << emp[i].name << "\n";
 
            cout << "Employee ID "
                 << emp[i].code << "\n";
 
            cout << "Designation "
                 << emp[i].designation << "\n";
 
            cout << "Experience "
                 << emp[i].exp << "\n";
 
            cout << "Age "
                 << emp[i].age << "\n";
            break;
        }
    }
 
    showMenu();
}
 
// Function to show menu
void showMenu()
{
 
    cout << "-------------------------"
         << "GeeksforGeeks Employee"
         << " Management System"
         << "-------------------------\n\n";
 
    cout << "Available Options:\n\n";
    cout << "Build Table         (1)\n";
    cout << "Insert New Entry    (2)\n";
    cout << "Delete Entry        (3)\n";
    cout << "Search a Record     (4)\n";
    cout << "Exit                (5)\n";
 
    int option;
 
    // Input Options
    cin >> option;
 
    // Call function on the basis of the
    // above option
    if (option == 1) {
        build();
    }
    else if (option == 2) {
        insert();
    }
    else if (option == 3) {
        deleteRecord();
    }
    else if (option == 4) {
        searchRecord();
    }
    else if (option == 5) {
        return;
    }
    else {
        cout << "Expected Options"
             << " are 1/2/3/4/5";
        showMenu();
    }
}
 
// Driver Code
int main()
{
 
    showMenu();
    return 0;
}
                

            

                #include
                    #include
                    
                    struct batsman
                     {
                       char name[25];
                       int runs,score,balls,toruns,tobal,ones,twos,threes,fours,sixes;
                       int max_six,max_run,max_four;
                       float str;
                    
                     }pl1[100],pl3;
                    
                    
                    struct bowler
                     {
                       char name[25];
                       int runsgv,wkttkn,overs;
                       int max_w;
                       float econ;
                     }pl2[100],pl4;
                    
                    
                    int main()
                    {
                     int plno,choice;
                      int i,n,m;
                      printf("Enter the Batsman detail:\n");
                      printf("Enter the number of batsman:\n");
                      scanf("%d",&m);
                      for(i=0;i