using System;
using System.Diagnostics;
 
    struct Struct
    {
        public float X;
        public float Y;
 
        public Struct(float x, float y)
        {
            X = x; Y = y;
        }
    }
 
    class Hoge
    {
        const int Count = 1000 * 10000;
 
        public static void Main()
        {
            Struct s = default(Struct);
 
            Stopwatch sw = new Stopwatch();
            sw.Start();
 
            float total = 0;
 
            for (int i = 0; i < Count; ++i)
            {
                s = new Struct(i, i * 2);
                total += s.X;
                total += s.Y;
            }
 
            sw.Stop();
            Console.WriteLine("" + total + " " + s.Y + "  " + sw.ElapsedMilliseconds);
 
            sw.Reset();
            sw.Start();
 
            total = 0;
 
            for (int i = 0; i < Count; ++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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