159: Write a program which takes 4 different number from user as input and display them in ascending and descending order.

 

// Write a program which takes 4 different number from user as input and display them in
// ascending and descending order.

#include <iostream>
using namespace std;
int main()
{
    cout << "Muhammad Umar Chaudhry" << endl;
    cout << "SU92-BSCSM-S23-007" << endl;
    cout << "Question # 20" << endl
         << endl;

    int num1, num2, num3, num4, temp;
    cout << "Precaution: All numbers must be unequal" << endl;

    cout << "Enter first number: ";
    cin >> num1;
    cout << "Enter second number: ";
    cin >> num2;
    cout << "Enter third number: ";
    cin >> num3;
    cout << "Enter fourth number: ";
    cin >> num4;

    // bring greatest to num1
    if (num2 > num1)
    {
        temp = num1;
        num1 = num2;
        num2 = temp;
    }
    if (num3 > num1)
    {
        temp = num1;
        num1 = num3;
        num3 = temp;
    }
    if (num4 > num1)
    {
        temp = num1;
        num1 = num4;
        num4 = temp;
    }

    // bring greatest from remaining to num2
    if (num3 > num2)
    {
        temp = num2;
        num2 = num3;
        num3 = temp;
    }
    if (num4 > num2)
    {
        temp = num2;
        num2 = num4;
        num4 = temp;
    }

    // bring greatest form remaining to num3
    if (num4 > num3)
    {
        temp = num3;
        num3 = num4;
        num4 = temp;
    }

    cout << "Ascending order: " << num4 << ' ' << num3 << ' ' << num2 << ' ' << num1 << endl;
    cout << "Descending order: " << num1 << ' ' << num2 << ' ' << num3 << ' ' << num4 << endl;

    return 0;
}


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