4.2

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

namespace Lessen4
{
    class Program
    {
        static void Main(string[] args)
        {
            int health;
            int maxHealth = 10;
            while(true)
            {
                Console.Write("Введите количество жизней (0...100): ");
                health = Convert.ToInt32(Console.ReadLine());
                Console.WriteLine();
                Drawbar(health, maxHealth, 1, 1, ConsoleColor.Magenta);
                Console.ReadKey();
                Console.Clear();
            }


        }
        static void Drawbar(int health, int maxValue, int posX, int posY, ConsoleColor color, char barChar =' ' )
        {
            if (health % 10 == 0)
                health = health / 10;
            else
                health = health / 10+1;
            ConsoleColor defaultColor = Console.BackgroundColor;
            Console.BackgroundColor = color;
            string bar = "";

            for(int i =0; i< health; i++)
            {
                bar += barChar;
            }

            Console.SetCursorPosition(posX, posY);

            Console.BackgroundColor = defaultColor;
            Console.Write("[");
            Console.BackgroundColor = color;
            Console.Write(bar);
            bar = "";

            for(int i = health; i<maxValue;i++)
            {
                bar += barChar;
            }
            Console.BackgroundColor = defaultColor;
            Console.Write(bar+"]");
        }

    }
}