Intuit // C# // listing_4.6 (Shooting on the target), C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

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

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            //Console.WriteLine("Hello, world!");
            
            //точность выстрела : 0-1=2 очка(внутри центрального круга); 1-2=1 очко (внутри внешнего круга); св 2 = 0 очков (за пределами внешнего круга).
            Console.WriteLine("Enter the coordinate x: ");
            double x = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("Enter the coordinate y:");
            double y = Convert.ToDouble(Console.ReadLine());
            int kol = 0;
            if (x*x + y*y < 1) kol = 2;
            else if (x*x + y*y < 4) kol = 1;
            Console.WriteLine("The result is {0} points",kol);
        }
    }
}

Show compiler warnings [ - ] Show input
Compilation time: 0,14 sec, absolute running time: 0,11 sec, cpu time: 0,09 sec, average memory usage: 12 Mb, average nr of threads: 3