Assignment2_1

Flow of Control [Set – 1]

#include <iostream>
using namespace std;

int main() {
    int num;
    cout << "Enter an integer: ";
    cin >> num;
    if (num % 2 == 0)
        cout << "The number is Even." << endl;
    else
        cout << "The number is Odd." << endl;
    return 0;
}
                        

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

int main() {
    int num;
    cout << "Enter a number: ";
    cin >> num;
    cout << "Absolute value: " << abs(num) << endl;
    return 0;
}
                        

#include <iostream>
using namespace std;

int main() {
    int quantity;
    float price, total;
    cout << "Enter quantity: ";
    cin >> quantity;
    cout << "Enter price per item: ";
    cin >> price;

    total = quantity * price;

    if (total > 5000)
        total *= 0.9; // Apply 10% discount

    cout << "Total expenses: " << total << endl;
    return 0;
}
                        

#include <iostream>
using namespace std;

int main() {
    float costPrice, sellingPrice;
    cout << "Enter Cost Price: ";
    cin >> costPrice;
    cout << "Enter Selling Price: ";
    cin >> sellingPrice;

    if (sellingPrice > costPrice)
        cout << "Profit: " << sellingPrice - costPrice << endl;
    else if (sellingPrice < costPrice)
        cout << "Loss: " << costPrice - sellingPrice << endl;
    else
        cout << "No Profit No Loss." << endl;

    return 0;
}
                        

#include <iostream>
using namespace std;

int main() {
    int ram, sulabh, ajay;
    cout << "Enter the ages of Ram, Sulabh, and Ajay: ";
    cin >> ram >> sulabh >> ajay;

    if (ram < sulabh && ram < ajay)
        cout << "Ram is the youngest." << endl;
    else if (sulabh < ram && sulabh < ajay)
        cout << "Sulabh is the youngest." << endl;
    else
        cout << "Ajay is the youngest." << endl;

    return 0;
}
            

#include <iostream>
using namespace std;

int main() {
    int angle1, angle2, angle3;
    cout << "Enter the three angles of a triangle: ";
    cin >> angle1 >> angle2 >> angle3;

    if (angle1 + angle2 + angle3 == 180)
        cout << "The triangle is valid." << endl;
    else
        cout << "The triangle is not valid." << endl;

    return 0;
}
            

#include <iostream>
using namespace std;

int main() {
    int year;
    cout << "Enter a year: ";
    cin >> year;

    if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))
        cout << year << " is a leap year." << endl;
    else
        cout << year << " is not a leap year." << endl;

    return 0;
}
            

#include <iostream>
using namespace std;

int main() {
    float basic, hra, da, gross;
    cout << "Enter basic salary: ";
    cin >> basic;

    if (basic < 1500) {
        hra = 0.1 * basic;
        da = 0.9 * basic;
    } else {
        hra = 500;
        da = 0.98 * basic;
    }

    gross = basic + hra + da;
    cout << "Gross salary: " << gross << endl;
    return 0;
}
            

#include <iostream>
using namespace std;

int main() {
    int calls;
    float bill = 200;

    cout << "Enter the number of calls: ";
    cin >> calls;

    if (calls > 100) {
        if (calls <= 150)
            bill += (calls - 100) * 0.60;
        else if (calls <= 200)
            bill += 50 * 0.60 + (calls - 150) * 0.50;
        else
            bill += 50 * 0.60 + 50 * 0.50 + (calls - 200) * 0.40;
    }

    cout << "Total bill: Rs. " << bill << endl;
    return 0;
}
            

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

int main() {
    float a, b, c, discriminant, root1, root2;
    cout << "Enter coefficients a, b, and c: ";
    cin >> a >> b >> c;

    if (a == 0) {
        cout << "This is not a quadratic equation." << endl;
    } else {
        discriminant = b * b - 4 * a * c;

        if (discriminant >= 0) {
            root1 = (-b + sqrt(discriminant)) / (2 * a);
            root2 = (-b - sqrt(discriminant)) / (2 * a);
            cout << "Roots: " << root1 << " and " << root2 << endl;
        } else {
            cout << "No real roots exist." << endl;
        }
    }

    return 0;
}