Scenario-Based Coding Problems on Loops in C++

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

int main() {
    srand(0); // Seed for random number generation
    int secretNumber = rand() % 100 + 1; // Random number between 1 and 100
    int guess;
    int maxTries = 10;

    cout << "Guess the number (between 1 and 100). You have 10 tries: " << endl;

    for (int i = 0; i < maxTries; i++) {
        cin >> guess;
        if (guess < secretNumber) {
            cout << "Too low, try again: ";
        } else if (guess > secretNumber) {
            cout << "Too high, try again: ";
        } else {
            cout << "Congratulations! You guessed the number!" << endl;
            return 0; // End the program if the guess is correct
        }
    }

    cout << "Sorry, you've used all your tries. The correct number was " << secretNumber << "." << endl;

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int balance = 1000; // Initial balance
    int option, amount;

    cout << "Welcome to the ATM!" << endl;
    cout << "1. Check Balance" << endl;
    cout << "2. Deposit Money" << endl;
    cout << "3. Withdraw Money" << endl;
    cout << "4. Exit" << endl;

    while (true) {
        cout << "Enter your option: ";
        cin >> option;

        if (option == 1) {
            cout << "Your balance is: " << balance << endl;
        } else if (option == 2) {
            cout << "Enter amount to deposit: ";
            cin >> amount;
            balance += amount;
            cout << "Deposit successful. New balance: " << balance << endl;
        } else if (option == 3) {
            cout << "Enter amount to withdraw: ";
            cin >> amount;
            if (amount > balance) {
                cout << "Insufficient funds." << endl;
            } else {
                balance -= amount;
                cout << "Withdrawal successful. New balance: " << balance << endl;
            }
        } else if (option == 4) {
            cout << "Thank you for using the ATM. Goodbye!" << endl;
            break;
        } else {
            cout << "Invalid option. Please try again." << endl;
        }
    }

    return 0;
}

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

int main() {
    char userChoice, computerChoice;
    string options = "rps"; // r = Rock, p = Paper, s = Scissors
    int userWins = 0, computerWins = 0;

    cout << "Welcome to Rock, Paper, Scissors! Best of 3 rounds." << endl;

    for (int i = 0; i < 3; i++) {
        cout << "Round " << i + 1 << ": Enter 'r' for Rock, 'p' for Paper, or 's' for Scissors: ";
        cin >> userChoice;

        computerChoice = options[rand() % 3]; // Randomly choose r, p, or s for computer

        cout << "Computer chose: " << computerChoice << endl;

        if (userChoice == computerChoice) {
            cout << "It's a tie!" << endl;
        } else if ((userChoice == 'r' && computerChoice == 's') || 
                   (userChoice == 'p' && computerChoice == 'r') || 
                   (userChoice == 's' && computerChoice == 'p')) {
            cout << "You win this round!" << endl;
            userWins++;
        } else {
            cout << "Computer wins this round!" << endl;
            computerWins++;
        }

        cout << "Current score - You: " << userWins << ", Computer: " << computerWins << endl;
    }

    if (userWins > computerWins) {
        cout << "Congratulations! You win the game!" << endl;
    } else if (computerWins > userWins) {
        cout << "Sorry! Computer wins the game!" << endl;
    } else {
        cout << "It's a tie game!" << endl;
    }

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int numExpenses;
    float expense, total = 0;

    cout << "Welcome to Easy Budget Tracker!" << endl;
    cout << "How many expenses do you have? ";
    cin >> numExpenses;

    for (int i = 1; i <= numExpenses; i++) {
        cout << "Enter expense " << i << ": ";
        cin >> expense;
        total += expense;
    }

    cout << "Your total expenses are: $" << total << endl;
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int numDays;
    float price, highest = 0, lowest = 0, total = 0;

    cout << "Welcome to Stock Market Evaluator!" << endl;
    cout << "Enter the number of days you have stock prices for: ";
    cin >> numDays;

    for (int i = 1; i <= numDays; i++) {
        cout << "Enter the stock price for day " << i << ": ";
        cin >> price;
        total += price;
        
        if (i == 1) {
            highest = price;
            lowest = price;
        } else {
            if (price > highest) highest = price;
            if (price < lowest) lowest = price;
        }
    }

    cout << "Highest stock price: $" << highest << endl;
    cout << "Lowest stock price: $" << lowest << endl;
    cout << "Average stock price: $" << total / numDays << endl;

    return 0;
}

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main() {
    int spaceshipHealth = 100;
    int alienAttack;
    int numRounds;

    cout << "Welcome to the Space Ship Defense Game!" << endl;
    cout << "How many rounds do you want to play? ";
    cin >> numRounds;

    srand(time(0)); // Seed for random number generation

    for (int i = 1; i <= numRounds; i++) {
        alienAttack = rand() % 20 + 1; // Random damage between 1 and 20
        spaceshipHealth -= alienAttack;

        cout << "Round " << i << ": Alien attack caused " << alienAttack << " damage!" << endl;
        cout << "Spaceship health is now: " << spaceshipHealth << endl;

        if (spaceshipHealth <= 0) {
            cout << "Your spaceship has been destroyed! Game over." << endl;
            break;
        }
    }

    if (spaceshipHealth > 0) {
        cout << "You survived all rounds! Well done!" << endl;
    }

    return 0;
}

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

int main() {
    int numGreetings;
    string name;

    cout << "Hello! I am a friendly robot." << endl;
    cout << "How many times would you like me to greet you? ";
    cin >> numGreetings;

    cout << "What is your name? ";
    cin >> name;

    for (int i = 1; i <= numGreetings; i++) {
        cout << "Greetings, " << name << "! This is greeting number " << i << "." << endl;
    }

    return 0;
}

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

int main() {
    int numStars;
    string starName;

    cout << "Welcome to the Star Exploration Tracker!" << endl;
    cout << "How many stars have you explored? ";
    cin >> numStars;

    for (int i = 1; i <= numStars; i++) {
        cout << "Enter the name of star " << i << ": ";
        cin >> starName;
        cout << "Star " << i << ": " << starName << " has been recorded." << endl;
    }

    cout << "You have successfully recorded " << numStars << " stars. Great job, explorer!" << endl;

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int numBags;
    float bagWeight, totalWeight = 0, maxCapacity;

    cout << "Enter the maximum luggage capacity of the plane (in kg): ";
    cin >> maxCapacity;

    cout << "Enter the number of bags: ";
    cin >> numBags;

    for (int i = 1; i <= numBags; i++) {
        cout << "Enter the weight of bag " << i << " (in kg): ";
        cin >> bagWeight;
        totalWeight += bagWeight;
    }

    cout << "Total luggage weight: " << totalWeight << " kg" << endl;
    
    if (totalWeight > maxCapacity) {
        cout << "Warning: Luggage exceeds the plane's capacity!" << endl;
    } else {
        cout << "Luggage is within the plane's capacity." << endl;
    }

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int numAsteroids;
    float asteroidSize, totalImpact = 0;

    cout << "Enter the number of asteroids: ";
    cin >> numAsteroids;

    for (int i = 1; i <= numAsteroids; i++) {
        cout << "Enter the size of asteroid " << i << " (in meters): ";
        cin >> asteroidSize;
        totalImpact += asteroidSize * 100; // Assuming impact is size * 100
    }

    cout << "Total potential impact force: " << totalImpact << " units" << endl;

    if (totalImpact > 10000) {
        cout << "Warning: High impact threat detected!" << endl;
    } else {
        cout << "Impact threat is manageable." << endl;
    }

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int numRatings;
    float rating, totalRatings = 0, averageRating;

    cout << "Enter the number of customer ratings: ";
    cin >> numRatings;

    for (int i = 1; i <= numRatings; i++) {
        cout << "Enter rating " << i << " (out of 5): ";
        cin >> rating;
        totalRatings += rating;
    }

    averageRating = totalRatings / numRatings;

    cout << "The average customer rating is: " << averageRating << " out of 5" << endl;

    return 0;
}