Practicum5-II-2

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

namespace ConsoleApp1
{
    class Program
    {
        static int numod(int N)
        {
            int kold = 1;
            for(int i=1;i<=N/2;i++)
            {
                if(N%i==0)
                {
                    kold++;
                }
            }
            return kold;
        }



        static void Main()
        {
            int maxd = 0;
            Console.Write("Please enter the a=");
            int a = int.Parse(Console.ReadLine());
            Console.Write("Please enter the b=");
            int b = int.Parse(Console.ReadLine());
            Console.Write("a) ");
            for (int i = a; i <= b; i++)
            {
                Console.Write("{0}({1}) ", i, numod(i));
            }
            Console.WriteLine("\n");
            Console.Write("b) ");
            for (int i = a; i <= b; i++)
            {
                if (i == numod(i))
                {
                    Console.Write("{0} ", i);
                }
            }
            Console.WriteLine("\n");
            Console.Write("c) ");
            for (int i = a; i <= b; i++)
            {
                if (maxd < numod(i))
                {
                    maxd = numod(i);
                }
            }
            for (int i = a; i <= b; i++)
            {
                if (maxd == numod(i))
                {
                    Console.Write("{0} ", i);
                }
            }
            Console.Write("\n");
            Console.Write("\nPlease enter the A=");
            int A = int.Parse(Console.ReadLine());
            Console.WriteLine("\n");
            int kol = numod(A);
            int dl = A;
            int dl1 = A;
            for(int i=A/2;i<A;i++)
            {
                if ((numod(i)==kol))
                {
                    dl = i;
                }
            }
            for(int i=A+100;i>=A+1;i--)
            {
                if ((numod(i) == kol) )
                {
                    dl1 = i;
                }
            }
            if (dl == A) dl = A * A;
            if (dl1 == A) dl1 = 0;
            if (Math.Abs(dl1 - A) >= Math.Abs(dl - A))
            {
                Console.Write("d) {0}", dl);
            }
            else if (Math.Abs(dl1 - A) < Math.Abs(dl - A)) { Console.Write("d) {0}", dl1); }
            }
    }
}