11-10-WhileReview-HW

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

namespace StamProject
{
    class Program
    {
        static void Main(string[] args)
        {
            DateTime now;
            while (true)
            {
                now = DateTime.Now;
                Console.WriteLine(now);
                System.Threading.Thread.Sleep(1000);
                Console.Clear();
            }
        }
        static void PerfectNumber()
        {
            int num, i, check;
            string calculation = null;
            while (true)
            {
                num = int.Parse(Console.ReadLine());
                i = num - 1;
                check = 0;
                while (i > 0)
                {
                    if (num % i == 0)
                    {
                        if (i != 1)
                        {
                            calculation += i + " + ";
                        }
                        else
                        {
                            calculation += "1";
                        }
                        check += i;
                    }
                    i--;
                }
                if (num == check)
                    Console.WriteLine("Number {0} is a perfect number.\n{1} = {0}", num, calculation);
            }
        }
        static void Page151Exercise37()
        {
            int maxLength = 0, currentLength = 0, num1, num2 = 0;
            num1 = int.Parse(Console.ReadLine());
            while (num1 != 0)
            {
                if (num1 > num2)
                    currentLength++;
                else
                    currentLength = 1;
                if (currentLength > maxLength)
                    maxLength = currentLength;
                num2 = num1;
                num1 = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("Maximum length: " + maxLength);
        }
        static void Page151Exercise33()
        {
            int countCondition = 0;
            double num1, num2;
            num1 = double.Parse(Console.ReadLine());
            num2 = num1;
            while (num1 != 0)
            {
                if (num1 < num2)
                    countCondition++;
                num2 = num1;
                num1 = double.Parse(Console.ReadLine());
            }
            Console.WriteLine("\n{0}", countCondition);
        }
        static void LongestDigitsSequence()
        {
            int num1, num2, count = 0, maxCount = 0;
            num1 = int.Parse(Console.ReadLine());
            num2 = num1;
            while (num1 != -1)
            {
                if (num1 == 0)
                    num1 = 10;
                if (num1 == num2 + 1)
                    count++;
                else
                    count = 1;
                if (count > maxCount)
                    maxCount = count;
                num2 = num1;
                num1 = int.Parse(Console.ReadLine());
            }
            Console.WriteLine(maxCount);
        }
        static void Exercise63Numbers()
        {
            int n, num1 = 0, num2 = int.MaxValue, middleNum = 0, difference = int.MaxValue;
            string couple = null;
            decimal avg, sum = 0;
            n = int.Parse(Console.ReadLine());
            for (int i = 0; i < n; i++)
            {
                if (i != 0)
                    num2 = num1;
                num1 = int.Parse(Console.ReadLine());
                if (i == Math.Floor((double)n / 2))
                    middleNum = num1;
                if ((num1 - num2) < difference)
                {
                    difference = num2 - num1;
                    couple = num1.ToString() + " , " + num2.ToString();
                }
                sum += num1;
            }
            avg = sum / n;
            Console.WriteLine("Average: {0}  Middle number: {1}  Smallest: {2}", avg, middleNum, couple);
        }
    }
}