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Using C# Console Program find the greater value from three Input Value using if/else Statment......


Input:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;                     

namespace A_B_C_2ND
{
    class Program
    {
        static void Main(string[] args)
        {
            double a, b, c;
            Console.WriteLine("ENTER VALUE 1");
            a = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("ENTER VALUE 2");
            b = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("ENTER VALUE 3");
            c = Convert.ToInt32(Console.ReadLine());
            Console.WriteLine("");
            Console.WriteLine("select the operation");
            Console.WriteLine("");
            Char op;
            Console.WriteLine("For finding greatest value press 1");
            Console.WriteLine("For finding lowest   value press 2");
            op = Convert.ToChar(Console.ReadLine());
            if (op == '1')
            {
                if (a > b)
                    if (a > c)
                    {
                        Console.WriteLine("{0} is greatest number", a);
                    }
                    else
                    {
                        Console.WriteLine("{0} is greatest number", c);
                    }
                else
                if (b > c)
                {
                    Console.WriteLine("{0} is greatest number", b);
                }
               
                else
                {
                    Console.WriteLine("{0} is greatest number", c);
                }
               
                if (a == b)
                    if(a==c)
                        if(b==c)
                {
                    Console.WriteLine("{0}={1}={2} are equal", a, b, c);
                }
            }
            else
           
            {
                if (op == '2')
                    if (a < b)
                        if (a < c)
                        {
                            Console.WriteLine("{0} is lowest number", a);
                        }
                        else
                        {
                            Console.WriteLine("{0} is lowest", c);
                        }
                    else
                        if (b < c)
                        {
                            Console.WriteLine("{0} is lowest number", b);
                        }
                        else
                        {
                            Console.WriteLine("{0} is lowest number", c);
                        }
              
                if (a == b)
                    if (a == c)
                        if (b == c)
                        {
                            Console.WriteLine("{0}={1}={2} are equal", a, b, c);
                        }

                       }
               }
            }
        }

OUTPUT:

ALGORITHM:

  • ·         Start,
  • ·         Initializing: double a,b,c,greater num,less  num;
  • ·         Output: Please enter num a
  • ·         Set num a: Taking input from the user
  • ·         Output: Please enter num b
  • ·         Set num b: Taking input from the user
  • ·         Output: Please enter num c
  • ·         Set num c: Taking input from the user
  • ·         Set data: by selection of any one operation.
  • ·         Use th statement of if and else.
  • ·         output:User  have  to select the operation by presing key.
  • ·         Input: press 1 or  2 or 3
  • ·         Output: Result
  • ·         Result= num A GREATEST or num b is greatest or num c is greatest.
  • ·         Result= num A least or num b is least or num c is least.
  • ·         End

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