//Programmer: Cassidy Guha

//Dates: Start: Tuesday March 1, End: Thursday March 3

//Project: Greatest Number

//Description: Program that selects and identifies the largest number in a set of numbers given by a user

using System;

public class Program

{

    public static void Main()

    {

    Console.WriteLine("Greatest Number APP");

    Console.WriteLine(new string ('*',28));

    Console.WriteLine("Enter First Number: ");

    double num1 = Convert.ToDouble(Console.ReadLine());

    Console.WriteLine("Enter Second Number: ");

    double num2 = Convert.ToDouble(Console.ReadLine());

    Console.WriteLine("Enter Third Number: ");

    double num3 = Convert.ToDouble(Console.ReadLine());

    Console.WriteLine("Enter Fourth Number: ");

    double num4 = Convert.ToDouble(Console.ReadLine());

        if (num1 > num2) { //check if num1 is greater than num2, if so, check if num1 is greater than num3

        if (num1 > num3) {  //check if num1 is greater than num3, if so, check if num1 is greater than num4

            if (num1 > num4) {  //final check to see if num1 is greater than num4, if so, then the num1 is the greatest

                Console.WriteLine("The first number is the greatest"); //display to the user that num1 is the greatest number in the set

            }  

            else {  

                Console.WriteLine("The fourth number is the greatest"); //if num4 is greater than num1, then num4 is the greatest number in the set

            }  

        }  

    }  

    else if (num2 > num3) { //check if num2 is greater than num3, if so, check if num2 is greater than num4

        if (num2 > num4) {  //check if num2 is greater than num4, if so, num2 is the greatest number

            Console.WriteLine("The second number is the greatest"); //display to the user that num2 is the greater number in the set

        }  

        else {  

            Console.WriteLine("The fourth number is the greatest");//if num4 is greater than num2, then display that num4 is the greatest number in the set

        }  

    }  

    else if (num3 > num4) {  //check if num3 is greater than num4, if so, then num3 is the greatest number

        Console.WriteLine("The third number is the greatest"); //display that num3 is the greatest number

          }  

    else {  

        Console.WriteLine("The fourth number is the greatest"); //display that num4 is the greatest number after checking all numbers

    }  

}  

    }

​

​