Thank.md

using System; using System.Linq; using System.IO; using System.Text; using System.Collections; using System.Collections.Generic; class Player { public class Point { public int Id { get; set; } public int X { get; set; } public int Y { get; set; } public int Dist2(Point p) { return (int)Math.Round(Math.Pow(p.X-X,2)+Math.Pow(p.Y-Y,2)); } public int Dist2(int x, int y) { return (int)Math.Round(Math.Pow(x-X,2)+Math.Pow(y-Y,2)); } public override string ToString() { return $"{Id} {X}:{Y}"; } } public class DPoint : Point { } public class Enemy : Point { public int Life { get; set; } public DPoint NearDp { get; set; } public int NearDpDist { get; set; } public int MeDistPow { get; set; } public double Shoot { get; set; } public Point Next { get { int nextX = NearDpDist != 0 ? X+(NearDp.X-X)*500/NearDpDist : X; int nextY = NearDpDist != 0 ? Y+(NearDp.Y-Y)*500/NearDpDist : Y; Point p = new Point { Id = this.Id, X = nextX, Y = nextY }; return p; } } } static void Main(string[] args) { string[] inputs; DPoint[] dP; Enemy[] ee;

    // game loop
    while (true)
    {
        inputs = Console.ReadLine().Split(' ');
        int meX = int.Parse(inputs[0]);
        int meY = int.Parse(inputs[1]);
        Point me = new Point
        {
            Id = -1,
            X = meX,
            Y = meY
        };
        int dataCount = int.Parse(Console.ReadLine());
        dP = new DPoint[dataCount];
        for (int i = 0; i < dataCount; i++)
        {
            var input = Console.ReadLine();
            inputs = input.Split(' ');
            int dataId = int.Parse(inputs[0]);
            int dataX = int.Parse(inputs[1]);
            int dataY = int.Parse(inputs[2]);
            dP[i] = new DPoint
            {
                Id = dataId,
                X = dataX,
                Y = dataY
            };
        }
        int enemyCount = int.Parse(Console.ReadLine());
        ee = new Enemy[enemyCount];
        for (int i = 0; i < enemyCount; i++)
        {
            var input = Console.ReadLine();
            inputs = input.Split(' ');
            int enemyId = int.Parse(inputs[0]);
            int enemyX = int.Parse(inputs[1]);
            int enemyY = int.Parse(inputs[2]);
            int enemyLife = int.Parse(inputs[3]);
            DPoint enemyNearDp = dP.Aggregate((a,b) => a.Dist2(enemyX, enemyY) < b.Dist2(enemyX, enemyY) ? a : b);
            int enemyNearDpDist = (int)Math.Round(Math.Sqrt(enemyNearDp.Dist2(enemyX, enemyY)));
            int enemyMeDistPow = me.Dist2(enemyX, enemyY);
            double enemyShoot = 125000 / Math.Pow(enemyMeDistPow, 0.6);
            Console.Error.Write("Id,X,Y,Life:{0},\tnId:{1},\tDist:{2}, Shoot:{3:0.00} ", input, enemyNearDp.Id, enemyNearDpDist, enemyShoot);
            ee[i] = new Enemy
            {
                Id = enemyId,
                X = enemyX,
                Y = enemyY,
                Life = enemyLife,
                NearDp = enemyNearDp,
                NearDpDist = enemyNearDpDist,
                MeDistPow = enemyMeDistPow,
                Shoot = enemyShoot
            };
            Console.Error.WriteLine(ee[i].Next);
        }
        List<Enemy> enemies = ee.Where(a => a.Next.Dist2(me) < 2400*2400).ToList();
        // Write an action using Console.WriteLine()
        // To debug: 
        Enemy minDistEnemy = ee.Aggregate((a,b) => a.Next.Dist2(me) < b.Next.Dist2(me) ? a : b);
        Enemy minShootEnemy = ee.Aggregate((a,b) => a.Shoot - a.Life > b.Shoot - b.Life ? a : b);
        Console.Error.WriteLine($"{minShootEnemy.Shoot}<>{minShootEnemy.Life}");
        int minDistPow = minDistEnemy.Dist2(me);
        if(minDistPow<2500*2500)
        {
            int eX=0,eY=0;
            if(enemies.Count>1)
                {
                    foreach(Enemy e in enemies)
                    {
                        eX += e.X;
                        eY += e.Y;
                    }
                    eX /= enemies.Count;
                    eY /= enemies.Count;
                }
            else
            {
                eX=minDistEnemy.X;
                eY=minDistEnemy.Y;
            }
            Console.Error.WriteLine($"e.Count:{enemies.Count}, eX:{eX}, eY:{eY}");
            Console.WriteLine($"MOVE  {2*me.X - (eX+me.X)/2} {2*me.Y - (eY+me.Y)/2}");
        }
        else if (minShootEnemy.Shoot >= minShootEnemy.Life-0.7)
            Console.WriteLine($"SHOOT {minShootEnemy.Id}");
        else if(minDistPow>4000*4000)
            Console.WriteLine($"MOVE  {(minDistEnemy.X+me.X)/2} {(minDistEnemy.Y+me.Y)/2}");
        else
            Console.WriteLine($"SHOOT {minDistEnemy.Id}");
    }
}

}