using System;

using System.Threading;

using System.Threading.Tasks;

using System.IO;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

using System.Collections.Generic;

namespace PlayGround

{

    internal class Program

    {

        static Dictionary<int, int> Cluster = new Dictionary<int, int>();

        private static void Main(string[] args)

        {

            for (int i = 1 ; i < 101; i++)

            {

                //刻度5

                Cluster.TryAdd(i - (i % 5), 0);

                Cluster[i - (i % 5)]++;

            }

            foreach (KeyValuePair<int, int> p in Cluster)

            {

                Console.WriteLine($"Bucket: {p.Key} ~ {p.Key + 5 - 1}, value :{p.Value}");

            }

            Cluster = new Dictionary<int, int>();

            for (int i = 1 ; i < 101; i++)

            {

                //刻度10

                Cluster.TryAdd(i - (i % 10), 0);

                Cluster[i - (i % 10)]++;

            }

            foreach (KeyValuePair<int, int> p in Cluster)

            {

                Console.WriteLine($"Bucket: {p.Key} ~ {p.Key + 10 - 1}, value :{p.Value}");

            }

        }

    }

​

}

​