using System;
using System.Diagnostics;
 
    struct Struct
    {
        public int X;
        public int Y;
 
        public Struct(int x, int y)
        {
            X = x; Y = y;
        }
    }
 
    class Hoge
    {
        public static void Main()
        {
            Struct s  = default(Struct);
 
            Stopwatch sw = new Stopwatch();
            sw.Start();
 
            int total = 0;
 
            for (int i = 0; i < 100*100000; ++i)
            {
                s = new Struct(i, i*2);
                total += s.X;
                total += s.Y;
            }
 
            sw.Stop();
            Console.WriteLine("" + total + " " + s.Y + "  " + sw.ElapsedMilliseconds);
 
            total = 0;
 
            sw.Reset();
            sw.Start();
 
            for (int i = 0; i < 100 * 100000; ++i)
            {
                s.X = i;
                s.Y = i*2;
 
                total += s.X;
                total += s.Y;
            }
 
            sw.Stop();
            Console.WriteLine("" + total + " " + s.Y + "  " + sw.ElapsedMilliseconds);
        }
    }

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