//2.16
int main(){
    double numOne{0};
    double numTwo{0};
    cout << "Please enter two numbers: " << endl;
    cin >> numOne >> numTwo;
    cout << "The sum is: " << numOne + numTwo << endl;
    cout << "The difference is: " << numOne - numTwo << endl;
    cout << "The product is: " << numOne * numTwo << endl;
    cout << "The quotient is: " << numOne / numTwo << endl;
    return 0;
}


//2.17
int main(){
    cout << "1 2 3 4" << endl;

    cout << "1 " << "2 " << "3 " << "4" << endl;


    cout << "1 ";
    cout << "2 ";
    cout << "3 ";
    cout << "4" << endl;
    return 0;
}

//2.18
int main()
{
    double numOne{0};
    double numTwo{0};
    cout << "Please enter two numbers" << endl;
    cin >> numOne >> numTwo;
    if ( numOne > numTwo ){
        cout << numOne << " is larger." << endl;
    }
    if ( numTwo > numOne) {
        cout << numTwo << " is larger." << endl;
    }
    if (numOne == numTwo) {
        cout << numOne << " and " << numTwo << " are equal" << endl;
    }
return 0;
}

//2.19
int main(){
    double numOne{0};
    double numTwo{0};
    double numThree{0};
    double numLargest{0};
    double numSmallest{0};

    cout << "Please enter three numbers" << endl;
    cin >> numOne >> numTwo >> numThree;

    if (numOne > numTwo) {
        numLargest = numOne;
    }
    else {
        numLargest = numTwo;
    }
    if (numLargest < numThree) {
        numLargest = numThree;
    }
    if (numOne < numTwo) {
        numSmallest = numOne;
    }
    else {
        numSmallest = numTwo;
    }
    if (numSmallest > numThree) {
        numSmallest = numThree;
    }

    cout << "Sum is " << numOne + numTwo + numThree << endl;
    cout << "Average is " << (numOne + numTwo + numThree)/ 3 << endl;
    cout << "Product is " << numOne * numTwo * numThree << endl;
    cout << "Smallest is " << numSmallest << endl;
    cout << "Largest is " << numLargest << endl;
    return 0;
}

//2.20
int main(){
    double pi{3.14159};
    int r{0};
    cout << "Please type a radius: " << endl;
    cin >> r;
    cout << "Diameter: " << 2*r << "\n" << "Circumference: " << 2*pi*r << "\n" << "Surface Area: " << pi*r*r << endl;
    return 0;
}

//2.28
int main(){
    int r{0};
    cout << "Please type a 5 digit integer" << endl;
    cin >> r;
    cout << (r / 10000) << "   " << (r / 1000) % 10 << "   " << (r / 100) % 10 << "   " << (r / 10) % 10 << "   " << (r) % 10 << "   " << endl;
    return 0;
}

//2.30
int main(){
    int weight{0};
    int height{0};
    cout << "Please type your weight in pounds: " << endl;
    cin >> weight;
    cout << "Please type your height in inches: " << endl;
    cin >> height;
    cout << "Your BMI is: " << (weight * 703)/(height*height) << endl;
    cout << "BMI VALUES";
    cout << "Underweight: less than 18.5 \nNormal: between 18.5 and 24.9 \nOverweight: between 25 and 29.9 \nObese: 30 or greater" << endl;
    return 0;
}