make Dict

dict.cs

using System;
using System.Collections.Generic;

namespace test
{
    class Program
    {
        static void Main(string[] args)
        {
            MakeDict(new int[] { 10, 20, 30 }, new string[] { "B1", "B2", "B3" });
        }


        static Dictionary<int, string> MakeDict(int[] keys, string[] values)
        {
            if (keys.Length != values.Length) return null;
            var dict = new Dictionary<int, string>();
            for (int i = 0; i < keys.Length; i++)
            {
                dict.Add(keys[i], values[i]);
                Console.WriteLine("{0} -> {1}", keys[i], values[i]);
            }
            return dict;
        }

    }
}