DATALGO SPACE

DATASPACE.cpp
#include <iostream>
#include <iomanip>
#include <string>

using namespace std;

// Function prototypes
void activityOne();
void activityTwo();
void activityThree();
void activityFour();
void activityFive();
void rectangle();
void square();
void triangle();
void circle();
float additionFunction(float, float);
float subtractionFunction(float, float);
float multiplicationFunction(float, float);
float divisionFunction(float, float);

// Global variables
double length, width, side, base, height, radius, pi = 3.141592653589793238462643383279502884197;
char option;

int main()
{
    char opt;

    cout << "\t\t  DAATALGO SPACE" << endl;
    cout << "\n============Welcome to my AIO activity============";
    cout << "\n ====Made & Compiled by John Michael Gonzales==== ";
    cout << "\n====================BSIT CUBAO2===================" << endl;
    do {
        cout << "\nPlease choose desired choices below:\n"
            << "[A] Activity #1\n"
            << "[B] Activity #2\n"
            << "[C] Activity #3\n"
            << "[D] Activity #4\n"
            << "[E] Activity #5\n"
            << "[F] Exit\n\n"
            << "Enter your choice: ";
        cin >> opt;

        switch (opt) {
        case 'A':
        case 'a':
            activityOne();
            break;
        case 'B':
        case 'b':
            activityTwo();
            break;
        case 'C':
        case 'c':
            activityThree();
            break;
        case 'D':
        case 'd':
            activityFour();
            break;
        case 'E':
        case 'e':
            activityFive();
            break;
        case 'F':
        case 'f':
            cout << "\nThank you for using me! <3" << endl;
            break;
        default:
            cout << "Invalid input. Please try again!" << endl;
            break;
        }
    } while (opt != 'F' && opt != 'f');

    return 0;
}

void activityOne()
{
    string name;
    double num1, num2;

    cout << "\n============Welcome to Activity #1============\n" << endl;

    cout << "Enter your Name: ";
    cin >> name;
    cout << "Enter 1st number: ";
    cin >> num1;
    cout << "Enter 2nd number: ";
    cin >> num2;

    cout << "\n=======Welcome to " << name << "'s Program=======\n";

    double product, quotient, sum, difference;

    product = num1 * num2;
    quotient = num1 / num2;
    sum = num1 + num2;
    difference = num1 - num2;

    cout << "The Product of two numbers is   : " << product << endl;
    cout << "The Quotient of two numbers is  : " << quotient << endl;
    cout << "The Sum of two numbers is       : " << sum << endl;
    cout << "The Difference of two numbers is: " << difference << endl;

    char option;
    while (true) {
        cout << "\nSelect an option:\n"
            << "[M] Main Menu\n"
            << "[T] Try Again\n"
            << "[E] Exit\n"
            << "Enter your choice: ";
        cin >> option;

        switch (option) {
        case 'M':
        case 'm':
            return;
        case 'T':
        case 't':
            activityOne();
            return;
        case 'E':
        case 'e':
            exit(1);
        default:
            cout << "Invalid option. Please try again!" << endl;
            break;
        }
    }
}

void activityTwo() {

    double totalGross, philHealth, sss, tax, pagIbig, deduction, salary;
    int hourlyRate, hoursOfWork, daysOfWork, absences, tardiness;
    char option;
    cout << "\n============Welcome to Activity #2============\n" << endl;
    cout << "-- Payroll System -- Daily Rate --\n\nEnter Hourly Rate           : ";
    cin >> hourlyRate;
    cout << "Enter Hours of Work         : ";
    cin >> hoursOfWork;
    cout << "Enter Days of Work          : ";
    cin >> daysOfWork;
    cout << "Enter Absences              : ";
    cin >> absences;
    cout << "Enter Tardiness or 0 if none: ";
    cin >> tardiness;

    totalGross = hourlyRate * hoursOfWork * daysOfWork;
    cout << "\nTOTAL GROSS: " << totalGross << endl;

    cout << "\nDeductions\n---------------\nPhilHealth: ";
    cin >> philHealth;
    cout << "SSS       : ";
    cin >> sss;
    cout << "Tax       : ";
    cin >> tax;
    cout << "Pagibig   : ";
    cin >> pagIbig;
    cout << "Absences  : " << absences << endl;
    cout << "Tardiness : " << tardiness << endl;
    cout << "---------------" << endl;

    absences = absences * 8 * hourlyRate;
    tardiness = tardiness * 50;
    deduction = philHealth + sss + tax + pagIbig + absences + tardiness;
    cout << "Total Deduction: " << deduction << endl;
    salary = totalGross - deduction;
    cout << "\nTOTAL SALARY : " << salary << endl;

yesOrNo:
    cout << "\nGo back to Main Menu? [Y/N]: ";
    cin >> option;
    if (option == 'y' || option == 'Y') {

        cout << "\n\n";
        main();

    }
    else if (option == 'n' || option == 'N') {
        exit(1);
    }
    else {
        cout << "INVALID INPUT!" << endl;
        goto yesOrNo;
    }
}



using namespace std;

void activityThree()
{
    cout << "\n============Welcome to Activity #3============\n" << endl;

    string itemName;
    double price, total = 0, grandTotal = 0, discountAmount = 0;
    int quantity;
    char addMore, withDiscount;
    const double DISCOUNT_PERCENTAGE = 0.1;

    cout << "---------------------------" << endl;
    cout << "       CASH REGISTER       " << endl;
    cout << "---------------------------" << endl;

    do {
        cout << "Enter item name: ";
        cin.ignore(); // Ignore the newline character left by previous cin
        getline(cin, itemName);
        cout << "Enter price: ₱";
        cin >> price;
        cout << "Enter quantity: ";
        cin >> quantity;

        double itemTotal = price * quantity;
        total += itemTotal;
        grandTotal = total;

        cout << "Apply discount? (Y/N): ";
        cin >> withDiscount;
        if (withDiscount == 'Y' || withDiscount == 'y') {
            discountAmount = total * DISCOUNT_PERCENTAGE;
            grandTotal = total - discountAmount;
        }

        cout << setprecision(2) << fixed;
        cout << "---------------------------" << endl;
        cout << "Item: " << itemName << endl;
        cout << "Price: ₱" << price << endl;
        cout << "Quantity: " << quantity << endl;
        cout << "Total: ₱" << itemTotal << endl;
        cout << "---------------------------" << endl;
        cout << "Total: ₱" << total << endl;

        cout << "Add another item? (Y/N): ";
        cin >> addMore;
        cin.ignore(); // Ignore the newline character left by cin

    } while (addMore == 'Y' || addMore == 'y');

    cout << "---------------------------" << endl;
    cout << "Grand Total: ₱" << grandTotal << endl;
    cout << "Discount: ₱" << discountAmount << endl;
    cout << "---------------------------" << endl;

    char option;
optionSelection:
    cout << "\nSelect an option:\n"
        << "[M] Main Menu\n"
        << "[T] Try Again\n"
        << "[E] Exit\n"
        << "Enter your choice: ";
    cin >> option;

    switch (option) {
    case 'M':
    case 'm':
        main();
        break;
    case 'T':
    case 't':
        activityThree();
        break;
    case 'E':
    case 'e':
        cout << "Exiting..." << endl;
        break;
    default:
        cout << "Invalid option. Please try again." << endl;
        goto optionSelection;
    }

    cout << "\n============================================\n" << endl;
}



void activityFour() {

    cout << "\n============Welcome to Activity #4============\n" << endl;
    cout << "\n==Welcome to Area Computation Program== \nPlease Choose:\n[A] Find the Area of Rectangle\n[B] Find the Area of Square\n[C] Find the Area of Triangle\n[D] Find the Area of Circle\n[E] Exit" << endl;

selection:

    cout << "Enter Selection: ";
    cin >> option;

    if (option == 'a' || option == 'A') {
        rectangle();
    }
    else if (option == 'b' || option == 'B') {
        square();
    }
    else if (option == 'c' || option == 'C') {
        triangle();
    }
    else if (option == 'd' || option == 'D') {
        circle();
    }
    else if (option == 'e' || option == 'E') {
        cout << "\nThank you for using this program! :)" << endl;
        exit(1);
    }
    else {
        cout << "INVALID INPUT PLEASE TRY AGAIN!\n\n";
        goto selection;
    }
}

void rectangle() {

    cout << "\n==Welcome to Area of Rectangle==\n\nEnter the Length: ";
    cin >> length;
    cout << "Enter the Width : ";
    cin >> width;

    double areaOfRectangle = width * length;

    cout << "The Area of the Rectangle is: " << areaOfRectangle << endl;

selection:

    cout << "Go back to Main Menu? [Y/N] : ";
    cin >> option;

    if (option == 'y' || option == 'Y') {
        cout << "\n\n";
        main();
    }
    else if (option == 'n' || option == 'N') {
        cout << "\nThank you for using this program! :)" << endl;
        exit(1);
    }
    else {
        cout << "INVALID INPUT PLEASE TRY AGAIN!\n\n";
        goto selection;
    }

    return;
};

void square() {

    cout << "\n==Welcome to Area of Square==\n\nEnter the side: ";
    cin >> side;

    double areaOfsquare = side * side;

    cout << "The Area of the Square is   : " << areaOfsquare << endl;

selection:

    cout << "Go back to Main Menu? [Y/N] : ";
    cin >> option;

    if (option == 'y' || option == 'Y') {
        cout << "\n\n";
        main();
    }
    else if (option == 'n' || option == 'N') {
        cout << "\nThank you for using this program! :)" << endl;
        exit(1);
    }
    else {
        cout << "INVALID INPUT PLEASE TRY AGAIN!\n\n";
        goto selection;
    }

    return;
};

void triangle() {

    cout << "\n==Welcome to Area of Triangle==\n\nEnter the Base  : ";
    cin >> base;
    cout << "Enter the Height: ";
    cin >> height;

    double areaOfTriangle = 0.5 * (base * height);

    cout << "The Area of the Triangle is   : " << areaOfTriangle << endl;

selection:

    cout << "Go back to Main Menu? [Y/N] : ";
    cin >> option;

    if (option == 'y' || option == 'Y') {
        cout << "\n\n";
        main();
    }
    else if (option == 'n' || option == 'N') {
        cout << "\nThank you for using this program! :)" << endl;
        exit(1);
    }
    else {
        cout << "INVALID INPUT PLEASE TRY AGAIN!\n\n";
        goto selection;
    }

    return;
};

void circle() {

    cout << "\n==Welcome to Area of Circle==\n\nEnter the radius  : ";
    cin >> radius;

    double areaOfCircle = pi * (radius * radius);

    cout << "The Area of the Circle is   : " << areaOfCircle << endl;

selection:

    cout << "Go back to Main Menu? [Y/N] : ";
    cin >> option;

    if (option == 'y' || option == 'Y') {
        cout << "\n\n";
        main();
    }
    else if (option == 'n' || option == 'N') {
        cout << "\nThank you for using this program! :)" << endl;
        exit(1);
    }
    else {
        cout << "INVALID INPUT PLEASE TRY AGAIN!\n\n";
        goto selection;
    }
}

void activityFive() {

    float firstNum, secondNum;
    char option;

    cout << "\n============Welcome to Activity #5============\n" << endl;
    cout << "===Welcome to Calculator Program===\n[A] Addtion\n[B] Subtraction\n[C] Multiplication\n[D] Division" << endl;

yesOrNo:

    cout << "Enter your choice (A-D): ";
    cin >> option;

    if (option == 'a' || option == 'A') {

        cout << "Enter First Number     : ";
        cin >> firstNum;

        cout << "Enter Second Number    : ";
        cin >> secondNum;
        cout << "\nResult = " << additionFunction(firstNum, secondNum) << endl;

    yesOrNo1:
        cout << "\nGo back to Main Menu? [Y/N]: ";
        cin >> option;
        if (option == 'y' || option == 'Y') {

            cout << "\n\n";
            main();

        }
        else if (option == 'n' || option == 'N') {
            exit(1);
        }
        else {
            cout << "INVALID INPUT!" << endl;
            goto yesOrNo1;
        }
    }
    else if (option == 'b' || option == 'B') {

        cout << "Enter First Number     : ";
        cin >> firstNum;

        cout << "Enter Second Number    : ";
        cin >> secondNum;
        cout << "\nResult = " << subtractionFunction(firstNum, secondNum) << endl;

    yesOrNo2:
        cout << "\nGo back to Main Menu? [Y/N]: ";
        cin >> option;
        if (option == 'y' || option == 'Y') {

            cout << "\n\n";
            main();

        }
        else if (option == 'n' || option == 'N') {
            exit(2);
        }
        else {
            cout << "INVALID INPUT!" << endl;
            goto yesOrNo2;
        }

    }
    else if (option == 'c' || option == 'C') {

        cout << "Enter First Number     : ";
        cin >> firstNum;

        cout << "Enter Second Number    : ";
        cin >> secondNum;
        cout << "\nResult = " << multiplicationFunction(firstNum, secondNum) << endl;

    yesOrNo3:
        cout << "\nGo back to Main Menu? [Y/N]: ";
        cin >> option;
        if (option == 'y' || option == 'Y') {

            cout << "\n\n";
            main();

        }
        else if (option == 'n' || option == 'N') {
            exit(3);
        }
        else {
            cout << "INVALID INPUT!" << endl;
            goto yesOrNo3;
        }

    }
    else if (option == 'd' || option == 'D') {

        cout << "Enter First Number     : ";
        cin >> firstNum;

        cout << "Enter Second Number    : ";
        cin >> secondNum;
        cout << "\nResult = " << divisionFunction(firstNum, secondNum) << endl;

    yesOrNo4:
        cout << "\nGo back to Main Menu? [Y/N]: ";
        cin >> option;
        if (option == 'y' || option == 'Y') {

            cout << "\n\n";
            main();

        }
        else if (option == 'n' || option == 'N') {
            exit(4);
        }
        else {
            cout << "INVALID INPUT!" << endl;
            goto yesOrNo4;
        }

    }
    else {

        cout << "INVALID INPUT PLEASE TRY AGAIN!" << endl;
        goto yesOrNo;
    }
}

float additionFunction(float numOne, float numTwo) {

    return numOne + numTwo;

};

float subtractionFunction(float numOne, float numTwo) {

    return numOne - numTwo;

};

float multiplicationFunction(float numOne, float numTwo) {

    return numOne * numTwo;

};

float divisionFunction(float numOne, float numTwo) {

    return numOne / numTwo;

};