È un'estate secca nella prateria. I quattro agricoltori della zona si rendono conto di poter sbarrare il mercato sul mais bruciando i raccolti dei vicini. Ma hanno bisogno di una strategia per farlo; è qui che entri.

Il tuo compito è scrivere un robot per dire agli agricoltori cosa bruciare. L'obiettivo è quello di finire il gioco con la più grande area di terra non bruciata. Il campo di gioco è una griglia 32x32. Ogni cella può essere una delle seguenti:

. - Ground

@ - A bot

# - Ash

W - Wet ground

1,2,3,4,5, or 6 - Fire

Il fuoco aumenta di intensità di 1 ogni turno. Una volta che è 3 o superiore, incendia le celle accanto (orizzontalmente o verticalmente). Dopo che il fuoco ha colpito 6, si trasforma in cenere.

Ad ogni turno, i robot ricevono come STDIN quanto segue: bot che inizia x, bot che inizia y, posizione attuale x del bot, posizione attuale y del bot e scheda, separati da nuove linee. Un esempio:

8
22
6
24
................................
................................
................................
.....................1..........
....................1#1.........
...................1#363........
....................16@1........
.....................31.........
................................
.........1.1....................
........15#62...................
........15@2....................
.........32.....................
................................
................................
................................
................................
................................
................................
................................
................................
................................
....4.1.........................
.....1#3........................
.....@3.........................
.....W..........................
................................
................................
................................
................................
................................
................................

(in questo caso sei il bot in basso a sinistra).

È necessario generare tre caratteri, con una nuova riga facoltativa, che rappresentano quanto segue:

Sposta - uno di L, R, U, D, or S (stay)

Azione - una delle B (burn), P (pour water) or X (do nothing)

La direzione - una delle L, R, U, D or S- controlla su quale cella si esegue l'azione

Il fuoco non influenza i robot.

L'ordine di turno è il seguente: Tutti i robot si muovono; tutti i robot eseguono azioni; allora accadono le regole ambientali. Se versi acqua sul terreno, sarà bagnata ( W) per un turno. Il fuoco non si diffonderà sul terreno bagnato. Se versi acqua su un terreno bagnato, continuerà ad essere bagnato. Se versi acqua sul fuoco, torna a terra normale. Non puoi fare nulla per cenere.

I round vengono eseguiti con 4 bot alla volta. Il round termina dopo 50 turni, o quando un robot finisce il terreno incombente, a seconda di quale evento si verifichi per primo. Il tuo punteggio viene calcolato come il numero di celle di terra o terra bagnata nel quadrato 9x9 centrate su dove è iniziato il tuo bot.

Ecco un esempio di bot; raccoglie tutte e tre le lettere in modo casuale e generalmente finisce per bruciare i propri campi.

RandomBurner:

#!/usr/bin/env python
import random
print random.choice('LRUDS')+random.choice('BPX')+random.choice('LRUDS')

Regole:

• Nessun accesso al filesystem al di fuori della propria cartella.
• È possibile scrivere sui file se è necessario memorizzare dati persistenti tra i turni, ma solo fino a un massimo di 1kb per bot
• Non puoi sovrascrivere il bot di nessun altro
• Se hai emesso uno spostamento non valido, il tuo bot rimarrà fermo. Se si genera un'azione non valida, il bot non farà nulla.
• Attenersi alle lingue comuni che possono essere eseguite su una casella OSX o Linux.

Il codice del controller è disponibile qui.

Risultati iniziali:

Average of 15 rounds:
---------------------
81 Farmer
56 CautiousBot
42 GetOff
41 Visigoth
40 DontBurnMeBro
37 FireFighter
35 Pyro
11 Protector

Aggiornamento : Aggiunti Farmer, CautiousBot, GetOff, FireFighter e Pyro.

visigoto

Visigoth cerca di bruciare i suoi nemici a terra. Spera di farlo prima che qualcun altro arrivi nella sua terra.

Correre: python visigoth.py

#!/usr/bin/python

''' Charge the enemy and burn them to the ground. '''

import sys

data = sys.stdin.readlines()

startx, starty, x, y = [int(i) for i in data[0:4]]
field = [list(i) for i in data[4:]]

otherbots = []
for i in range(32):
    for j in range(32):
        if field[i][j]=='@': #bot
            if i!=y and j!=x:
                otherbots.append([j,i])

min_bot = otherbots[0]
for bot in otherbots:
    if abs(bot[0]-x)+abs(bot[1]-y) < abs(min_bot[0]-x)+abs(min_bot[1]-y):
        min_bot = bot

dx = min_bot[0]-x
dy = min_bot[1]-y

if abs(dy)>abs(dx):
    if dy>0:
        move = 'U'
    else:
        move = 'D'
else:
    if dx>0:
        move = 'R'
    elif dx<0:
        move = 'L'
    else:
        move = 'S'

if max(abs(x-startx), abs(y-starty))>4:
    if 0<x<31 and 0<y<31:
        dirs = {'U':(-1,0), 'D':(1,0), 'L':(0,-1), 'R':(0,1)}
        for i in dirs:
            if field[dirs[i][0]][dirs[i][1]] in ('.', 'W'):
                action = 'B'+i
                break
        else:
            # No free land nearby, go out in a blaze of glory
            action = 'BS'
    else:
        action = 'BS'
else:
    # Don't set own field on fire
    action = 'XS'

print move+action

Questa è la mia prima voce, le critiche costruttive sono apprezzate!

Java, protettore

Tenta di circondare il suo campo con un recinto di cenere.

Modifica: logica un po 'migliorata. Probabilmente non farà differenza.

import java.awt.Point;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

/**
 * Created 10/6/15
 *
 * @author TheNumberOne
 */
public class Protecter {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Point start = new Point(in.nextInt(), in.nextInt());
        Point current = new Point(in.nextInt(), in.nextInt());
        in.nextLine();
        String output = "";
        char[][] board = new char[32][];
        for (int i = 0; i < 32; i++){
            board[i] = in.nextLine().toCharArray();
        }
        List<Point> danger = new ArrayList<>();
        List<Point> close = new ArrayList<>();
        List<Point> closeDanger = new ArrayList<>();
        List<Point> fence = new ArrayList<>();
        for (int i = 0; i < 32; i++){
            for (int j = 0; j < 32; j++){
                Point p = new Point(i, j);
                char c = board[j][i];
                if (Math.abs(p.x - start.x) < 10 && Math.abs(p.y - start.y) < 10){
                    if ((c + "").matches("\\d")){
                        danger.add(p);
                    }
                }
                if (distance(current, p) == 1){
                    close.add(p);
                }
                if ((Math.abs(p.x - start.x) == 10 || Math.abs(p.y - start.y) == 10) && !(c + "").matches("#|\\d|@")){
                    fence.add(p);
                }
            }
        }
        closeDanger = new ArrayList<>(danger);
        closeDanger.retainAll(close);
        danger.sort(Comparator.comparingInt(a -> distance(current, a) / (board[a.y][a.x] - '0')));
        if (danger.size() > 0){
            output += moveTo(current, danger.get(0));
        } else {
            fence.sort(Comparator.comparingInt(a -> distance(current, a)));
            if (fence.size() == 0){
                output += "S";
            } else {
                output += moveTo(current, fence.get(0));
            }
        }
        closeDanger.sort(Comparator.comparingInt(a -> board[a.y][a.x] - '0'));
        if (closeDanger.size() > 0){
            output += "P";
            output += moveTo(current, closeDanger.get(0));
        } else {
            if (danger.size() == 0) {
                List<Point> closeFence = new ArrayList<>(fence);
                closeFence.retainAll(close);
                if (closeFence.size() > 0) {
                    output += "B";
                    output += moveTo(current, closeFence.get(0));
                } else {
                    if (!fence.contains(current)){
                        output += "PS";
                    } else {
                        output += "BS";
                    }
                }
            } else {
                if (!fence.contains(current)){
                    output += "PS";
                } else {
                    output += "BS";
                }
            }
        }
        System.out.println(output);
    }

    private static String moveTo(Point from, Point to) {
        if (from.x > to.x){
            return "L";
        }
        if (from.x < to.x){
            return "R";
        }
        if (from.y > to.y){
            return "U";
        }
        if (from.y < to.y){
            return "D";
        }
        return "S";
    }

    private static int distance(Point p1, Point p2){
        return Math.abs(p1.x - p2.x) + Math.abs(p2.y - p1.y);
    }

}

Inserire in un file denominato Protector.java.

Compila con: javac Protector.java
Esegui con:java Protector

GetOff, Python

GetOff vuole solo mantenere la sua terra per sé, e non ha paura di inseguire quei dannati robot in tutta la sua terra, spruzzandoli con la sua pistola ad acqua fino a quando non se ne vanno. Mentre la sua proprietà non viene violata, fa del suo meglio per assicurarsi che la sua terra non venga bruciata.

#!/usr/bin/env python

import sys

fire = ['1','2','3','4','5','6']

move = ''
ad = ''

data = sys.stdin.readlines()

startx, starty, x, y = [int(i) for i in data[0:4]]
board = [list(i) for i in data[4:]]

top = starty-4
bottom = starty+5
right = startx+5
left = startx-4

bots = []
for i in range(32):
    for j in range(32):
        if board[i][j]=='@':
            if i != y and j != x:
                bots.append([j,i])

fires = []
for i in range(32):
    for j in range(32):
        if board[i][j] in fire: #fire
            fires.append([j,i])

for bot in bots:
    if left < bot[0] < right and top < bot[1] < bottom: # if there's a bot in the field
        if bot[0] > x:
            move = 'R'
        elif bot[0] < x:
            move = 'L'
        elif bot[1] > y:
            move = 'D'
        elif bot[1] < y:
            move = 'U'
        else:
            move = 'S'
    else:
        nearest_fire = []
        for f in fires:
            if left < f[0] < right and top < f[1] < bottom:
                if nearest_fire == []:
                    nearest_fire = f
                elif (f[0]-x)+(f[1]-y) < (nearest_fire[0]-x)+(nearest_fire[1]-y):
                    nearest_fire = f
        if nearest_fire == []:
            move = 'S'
        else:
            if nearest_fire[0] > x:
                move = 'R'
            elif nearest_fire[0] < x:
                move = 'L'
            elif nearest_fire[1] > y:
                move = 'D'
            elif nearest_fire[1] < y:
                move = 'U'
            else:
                move = 'S'

if board[x-1][y] in fire: # position immediately to the left
    ad = 'L'
elif board[x+1][y] in fire: # position immediately to the right
    ad = 'R'
elif board[x][y-1] in fire: # position immediately up
    ad = 'U'
elif board[x][y+1] in fire: # position immediately down
    ad = 'D'
else:
    ad = 'S'

print(move+'P'+ad)

Farmer, Java

Il contadino si preoccupa solo dei suoi raccolti. Osserva costantemente il suo campo per possibili incendi o invasori.

import java.awt.Point;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

public class Farmer {

    public static void main(String[] args) {
        //row == y
        //col == x
        Scanner in = new Scanner(System.in);
        Point start = new Point(in.nextInt(), in.nextInt());
        Point current = new Point(in.nextInt(), in.nextInt());
        in.nextLine();
        char[][] board = new char[32][];
        for (int row = 0; row < 32; row++){
            board[row] = in.nextLine().toCharArray();
        }
        final List<Point> firesInField = new ArrayList<>();
        final List<Point> enemiesInField = new ArrayList<>();
        for (int row = 0; row < 32; row++) {
            for (int col = 0; col < 32; col++) {
                Point p = new Point(col, row);
                if (!isInField(start, p))
                    continue;
                char c = board[row][col];
                if (isFire(c)) {
                    firesInField.add(p);
                } else if (c == '@' && col != current.x && row != current.y) {
                    enemiesInField.add(p);
                } 
            }
        }
        List<Point> destinations = firesInField.size() > 0 ? firesInField : enemiesInField;

        if (destinations.size() > 0) {
            //take short paths to eliminate more fires
            destinations.sort(Comparator
                    .comparingInt((Point p) -> distance(p, current))
                    .thenComparingInt(p -> -1 * (board[p.y][p.x] - '0')));
            Point dest = destinations.get(0);
            print(moveTo(current, dest), "P", moveTo(current, dest));
        }

        //TODO start fires if an enemy has more intact ground

        //walk back to center
        print(moveTo(current, start), "P", moveTo(current, start));
    }

    private static void print(String move, String action, String actionMove) {
        System.out.println(move + action + actionMove);
        System.exit(0);
    }

    private static boolean isInField(Point centerOfField, Point toTest) {
        //add one extra, to prevent fires that are very near
        return distance(centerOfField, toTest) <= 10 && Math.abs(centerOfField.x - toTest.x) <= 5 && Math.abs(centerOfField.y - toTest.y) <= 5;
    }

    private static boolean isFire(char c) {
        return c == '1' || c == '2' || c == '3' || c == '4' || c == '5' || c == '6';
    }

    private static String moveTo(Point from, Point to) {
        if (from.x > to.x){
            from.x--;
            return "L";
        }
        if (from.x < to.x){
            from.x++;
            return "R";
        }
        if (from.y > to.y){
            from.y--;
            return "U";
        }
        if (from.y < to.y){
            from.y++;
            return "D";
        }
        return "S";
    }

    private static int distance(Point p1, Point p2){
        return Math.abs(p1.x - p2.x) + Math.abs(p2.y - p1.y);
    }
}

Pyro, pitone

A Pyro piace il fuoco. Pyro ama il fuoco. Pyro vive nel fuoco. Sto pensando "Pyro di TF2". A Pyro piace bruciare le cose. Non brucerà il suo territorio, ma cercherà di uscirne, usando un semplice algoritmo di "pathfinding".

import sys
import random
inpu          = sys.stdin.readlines()
ox,oy,x,y     = [int(i) for i in inpu[0:4]]
board         = [list(i) for i in inpu[4:]]
adjacentcells = [[[board[y+b][x+c],b,c] for b in range(-1,2)] for c in range(-1,2)]
action        = ""
infield=max(abs(ox-x),abs(oy-y))<=9
# let's find out what Pyro will do!
if not infield: # Pyro won't burn what's in his field.
    for row in adjacentcells:
        for entry in row:
            cell,a,b=entry
            if(a!=b):   # Can't act on these cells.
                if cell==".":   # burn it!!!!!!
                    action = "B"
                    if(a==0):
                        direction = {-1:"L",1:"R"}[b]
                    else:
                        direction = {-1:"D",1:"U"}[a]
            if action: break;
        if action: break;
    # Pyro doesn't care where he goes, so long as
    # Pyro's not in the field of Pyro.
    move = random.choice("LRUDS")
else:   # Thought Pyro hates water, Pyro must protect SOMETHING.
    action    = "P"
    direction = "S"
    # get the direction towards the center
    # Pyro will move away from ox and oy to
    # towards the center, if in the field.
    # Pyro will do this by first going right/left,
    # then going up/down. (This behaviour is
    # removed when he leaves his field.)
    cx = cy = 16
    while max(abs(cx-x),abs(cy-y))<=9:
        cx = random.randint(0,31)
        cy = random.randint(0,31)
    if(cx-x>0): #is to the left of the center
        move = "R"
    elif(cx-x<0): #is to the right of the cenetr
        move = "L"
    elif(cy-y>0): # is above center
        move = "D"
    elif(cy-y<0): # is below center
        move = "U"
    else:   # is at center (something went wrong!)
        move   = "S"
        action = "B"
if not move:
    move = "S"
if not action:
    action = "B"
if not direction:
    direction = "S"
print(move+action+direction)


""" Here, have a face!
MMMMMMMMMMMMMMMMMMMMMMMdyo/:-.````.:+sdMMMMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMNs/....----...``````.omMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMh/``..-://+//:-..````````/mMMMMMMMMMMM
MMMMMMMMMMMMMMMm:````..-:////:--..``````````sMMMMMMMMMM
MMMMMMMMMMMMMMs```````....--....`````````````/NMMMMMMMM
MMMMMMMMMMMMM/````````````````````````````````:NMMMMMMM
MMMMMMMMMMMM/```......``````````````````.......+mMMMMMM
MMMMMMMMMMMo.:::::::::::-````````````.-:::::::::/+yNMMM
MMMMMMMMMNs:-..-------::::.`````````://:-------..-:/hMM
MMMMMMMMm+:..---:::::---:::.```````::::---:::::--.`-/sM
MMMMMMMN+:`.---:::/:/:---:::``````.:::.--:::/:/:--.`:/h
MMMMMMMh:-`---://o+///:---::.`````-::---://oo///:--..:+
MMMMMMMs:..--:/+/sss+//:-.::.`````-::.-://+osyo//:-.-::
MMMMMMMs:----///+sosso/:--::``````.::.-://+oosso+:-.::/
MMMMMMMd:::-:/++/osyso+/--::```````::-://+/osyso+/--::s
MMMMMMMMs:/::::+ooos+o+/:::.```````.::::/+ooos/o+/:/:+N
MMMMMMMMMs://:+osooo+o+/::.``.....``.:/:/osoos+o+//:+mM
MMMMMMMMMM--:/++ysyoo+/:-...........`.-:/+ssso++/:-yNMM
MMMMMMMMMMs``.-:://::-..`.....---....``..--::::-.`.MMMM
MNNMddhyys+-.```````````...--:::::-...````````````+MMMM
////.-:///:-..``````````.:///++o/o+/:/.```````````yMMMM
---.`.-:::--..`````````..+//+ooo+++///.```````````mMMMM
/.--``..--...``````````..--:/+oo+/:--..``````````.MMMMM
s --.```...````````````...--/+++++/-...````````.`/MMMMM
d .--```````````````````...-::::::-...````````.-/+MMMMM
M.`--`  ````````````````....------....````````.-/.dMMMM
M+ .-.  `````````````````.:::::::::::.`````````.-sMMMMM
Mm``--`  ``````````````-://///////////:-````````/MMMMMM
MM: --.  ````````````.://::--......-::///-``````yMMMMMM
MMd`.-.  ``````````.:/::-..-:::::::.``-::::.````NMMMMMM
MMM+.--`  `````````:::-.-::-.......-::-`--::```+MMMMMMM
MMMN---`  ````````.--..:-.```````````..-`.--.``dMMMMMMM
MMMMd--.` `````..`.-.`-````````````````.-`...`/MMMMMMMM
MMMMMNh+ss/oydNMd``.`.`````````````````````.`.NMMMMMMMM
MMMMMMMMMMMMMMMMMd.``.```````````````````````dMMMMMMMMM
MMMMMMMMMMMMMMMMMMm:```````````````````````-dMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMMy.```````````````````.oNMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMMMNs-```````````````:sNMMMMMMMMMMMMM
MMMMMMMMMMMMMMMMMMMMMMMMmy+:-.````.:+ymMMMMMMMMMMMMMMMM
"""

DontBurnMeBro

Un'altra voce di Python. Garantito di non essere il primo a morire (penso).

#!/usr/bin/python

print "SPS"

Pompiere, Java

Combatte tutti gli incendi.

import java.awt.Point;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

/**
 * Created 10/7/15
 *
 * @author TheNumberOne
 */
public class FireFighter {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        Point start = new Point(in.nextInt(), in.nextInt());
        Point current = new Point(in.nextInt(), in.nextInt());
        in.nextLine();
        String output = "";
        char[][] board = new char[32][];
        for (int i = 0; i < 32; i++) {
            board[i] = in.nextLine().toCharArray();
        }

        List<Point> danger = new ArrayList<>();
        List<Point> close = new ArrayList<>();
        List<Point> closeDanger;
        for (int i = 0; i < 32; i++){
            for (int j = 0; j < 32; j++){
                Point p = new Point(i, j);
                char c = board[j][i];
                if ((c + "").matches("\\d")){
                    danger.add(p);
                }
                if (distance(current, p) == 1){
                    close.add(p);
                }
            }
        }
        closeDanger = new ArrayList<>(danger);
        closeDanger.retainAll(close);

        Comparator<Point> comparator = Comparator.comparingInt((Point a) -> board[a.y][a.x]).reversed();

        danger.sort(comparator);
        danger.sort(Comparator.comparingInt(a -> distance(start, a)));
        if (danger.size() > 0){
            output += moveTo(current, danger.get(0));
        } else {
            output += moveTo(current, start);
        }
        closeDanger.sort(comparator);
        if (closeDanger.size() > 0){
            output += "P" + moveTo(current, closeDanger.get(0));
        } else {
            output += "PS";
        }
        System.out.println(output);
    }

    private static String moveTo(Point from, Point to) {
        if (from.x > to.x){
            return "L";
        }
        if (from.x < to.x){
            return "R";
        }
        if (from.y > to.y){
            return "U";
        }
        if (from.y < to.y){
            return "D";
        }
        return "S";
    }

    private static int distance(Point p1, Point p2){
        return Math.abs(p1.x - p2.x) + Math.abs(p2.y - p1.y);
    }

}

Keeper, Python 2

import sys

Out = ["S", "P", "S"]

StX = int(sys.stdin.readline()) - 1
StY = int(sys.stdin.readline()) - 1
NowX = int(sys.stdin.readline()) - 1
NowY = int(sys.stdin.readline()) - 1
Map = []
for i in range(32):
    Map.append(sys.stdin.readline())

Pos = [NowX, NowY]
Area = [[StX, StY]]
for x in range(StX-4, StX+4):
    for y in range(StY-4, StY+4):
        Area.append([x, y])

Fires = []
for y in range(32):
    for x in range(32):
        if Map[y][x] in "123456":
            Fires.append([x, y])

Danger = []
for Tile in Area:
    if Map[Tile[1]][Tile[0]] in "123456":
        Danger.append(Tile)

Distance = {}
i = -1
for Fire in Danger:
    i += 1
    Distance[(Pos[0] - Fire[0], Pos[1] - Fire[1])] = i

i = min(Distance)
Closest = Danger[Distance[i]]

if Closest[0] > Pos[0]:
    Out[0] = Out[2] = "R"
    Pos[0] += 1
if Closest[0] < Pos[0]:
    Out[0] = Out[2] = "L"
    Pos[0] -= 1
if Closest[0] == Pos[0]:
    if Closest[1] > Pos[1]:
        Out[0] = Out[2] = "D"
        Pos[1] += 1
    if Closest[1] < Pos[1]:
        Out[0] = Out[2] = "U"
        Pos[1] -= 1

if Closest[0] + 1 == Pos[0] and Closest[1] == Pos[1]:
    Out[2] = "L"
if Closest[0] - 1 == Pos[0] and Closest[1] == Pos[1]:
    Out[2] = "R"
if Closest[1] + 1 == Pos[1] and Closest[0] == Pos[0]:
    Out[2] = "U"
if Closest[1] - 1 == Pos[1] and Closest[0] == Pos[0]:
    Out[2] = "D"
if Closest[0] == Pos[0] and Closest[1] == Pos[1]:
    Out[2] = "S"


print "".join(Out)

Potrebbe essere semplificato, ma sono stanco.

Il Custode prova a mantenere il suo campo dai pericoli. Se appare un incendio, si precipita su di esso e lo spegne il più velocemente possibile.

Posso aggiungere anche un alloggio per gli incendi in arrivo.

CautiousBot, Node.js (ES5)

Questo robot si spegne e cerca di dare fuoco alla terra di altri robot. Si trova persino in cima al fuoco per 3 tick per nasconderlo! Tuttavia, non si può mai essere troppo cauti, quindi si assicura sempre che sia abbastanza vicino da spegnere gli incendi sulla propria terra.

Gli appunti:

• Utilizza un file di stato chiamato state.jsonmemorizzato nella sua directory di lavoro, utilizzato per archiviare informazioni sulle posizioni iniziali di altri robot e per determinare per quanto tempo nascondere un incendio avviato. Questo deve essere cancellato al termine del round (ad es. Quando un bot ha vinto). Altrimenti il ​​bot verrà confuso al prossimo round. (Fammi sapere se questo infrange le regole.)
• Richiede il splitmodulo.

#!/usr/bin/env node

// imports
var fs       = require("fs");
var splitmod = require("split");

// variables
var startX, startY, currentX, currentY, board = [], state = {};
var DEBUG = false;

// utility functions
function debug(){
    if(DEBUG) console.log.apply(console, arguments);
}

// calculates manhattan distance which is also the number of turns it will take to get somewhere
function manhattan(x1, y1, x2, y2){
    return Math.abs(x2 - x1) + Math.abs(y2 - y1);
}

// calculates chebyshev distance (mostly used for determining if a bot is within someone's plot)
function chebyshev(x1, y1, x2, y2){
    return Math.max(Math.abs(x2 - x1), Math.abs(y2 - y1));
}

// gets the board character at x, y
function get(x, y){
    return board[y][x];
}

function readState(){
    try {
        state = JSON.parse(fs.readFileSync('state.json').toString());
        debug("Opened state file");
    } catch(e){
        // it must be the first turn
        createState();
    }
}

function writeState(){
    fs.writeFileSync('state.json', JSON.stringify(state));
    debug("Wrote state file");
}

// finds out where all the other bots are
function getBotPositions(){
    var positions = [];
    for(var x = 0; x < 32; x++){
        for(var y = 0; y < 32; y++){
            if(get(x, y) == '@' && x != currentX && y != currentY){
                positions.push({x: x, y: y});
            }
        }
    }
    return positions;
}

function createState(){
    debug("Creating state");
    // take a loot at where other bots are to record their land locations
    var botLands = getBotPositions();
    state['botLands'] = botLands;

    state['turn'] = 0; // which turn is it?
    state['lastFireTurn'] = -999; // which turn was the last one where this bot set a fire?
}


// finds whether a plot of land (defined by its center) has fire on it
function isLandBurning(x, y){
    for(var dx = -4; dx < 5; dx++){
        for(var dy = -4; dy < 5; dy++){
            if(get(x + dx, y + dy).match(/[1-6]/) != null) return true;
        }
    }
    return false;
}

// finds the fire with the highest number (and therefore the one to put out first)
function findFire(x, y){
    var highestNum = 0;
    var fire = {x: x, y: y};
    for(var dx = -4; dx < 5; dx++){
        for(var dy = -4; dy < 5; dy++){
            if(get(x + dx, y + dy).match(/[1-6]/) != null){
                var num = parseInt(get(x + dx, y + dy));
                if(num > highestNum){
                    highestNum = num;
                    fire = {x: x + dx, y: y + dy};
                }
            }
        }
    }
    return fire;
}

// figures out where to go to get somewhere
function getDirection(x1, y1, x2, y2){
    var direction = 'S';
    var cycx = Math.abs(y2 - y1) / Math.abs(x2 - x1);

    if(cycx < 1){
        if(x2 > x1) direction = 'R';
        if(x2 < x1) direction = 'L';
    } else {
        if(y2 > y1) direction = 'D';
        if(y2 < y1) direction = 'U';
    }

    debug("Getting direction", x1, y1, x2, y2, "result", direction);

    return direction;
}

// read input
var dataCycle = 0;
process.stdin.pipe(splitmod()).on('data', function(line){
    switch(dataCycle){
    case 0:
        startX = parseInt(line);
        break;
    case 1:
        startY = parseInt(line);
        break;
    case 2:
        currentX = parseInt(line);
        break;
    case 3:
        currentY = parseInt(line);
        break;
    default:
        board.push(line);
    }

    dataCycle++;
}).on('end', function(){
    // main bot code
    readState();
    state['turn']++;
    debug("It is turn", state['turn']);

    // get bot positions
    var botPositions = getBotPositions();

    var action = {type:'X', direction:'S'};
    var move   = 'S';

    var isMyLandBurning = isLandBurning(startX, startY);
    if(isMyLandBurning){ // hurry over there ASAP!
        debug("Bot land is burning!");
        var pos = findFire(startX, startY);
        debug("Fire found at", pos);
        move = getDirection(currentX, currentY, pos.x, pos.y);
        // simulate the move and figure out if/where to dump the water
        var newX = currentX + (move == 'R') - (move == 'L');
        var newY = currentY + (move == 'D') - (move == 'U');
        if(chebyshev(newX, newY, pos.x, pos.y) < 5){
            // on its own land, start dropping water like a madman
            debug("Dropping water");
            action.type = 'P';

            // if it can put out the target fire, then do that
            if(manhattan(newX, newY, pos.x, pos.y) == 1) action.direction = getDirection(newX, newY, pos.x, pos.y);
            // it's not in range of the target fire, so use the time to put out other fires
            // if it's moving on top of a fire, put that out
            else if(get(newX, newY).match(/[1-6]/) != null) action.direction = 'S';
            // if there's a fire around it then put that out
            else if(get(newX + 1, newY).match(/[1-6]/) != null) action.direction = 'R';
            else if(get(newX - 1, newY).match(/[1-6]/) != null) action.direction = 'L';
            else if(get(newX, newY + 1).match(/[1-6]/) != null) action.direction = 'D';
            else if(get(newX, newY - 1).match(/[1-6]/) != null) action.direction = 'U';
            else action.direction = 'S';
        }
    } else {
        // are there any bots that could start a fire when this bot is 6+ tiles away?
        var headBack = false;
        for(var i = 0; i < botPositions.length; i++){
            var otherBot = botPositions[i];
            var dist = manhattan(otherBot.x, otherBot.y, startX, startY) - 4;
            var myDist = manhattan(currentX, currentY, startX, startY);
            if(dist + 6 < myDist){
                headBack = true;
                break;
            }
        }
        if(headBack){ // they're probably up to no good
            debug("Bots are dangerously close, heading back");
            move = getDirection(currentX, currentY, startX, startY);
        } else if(state['turn'] - state['lastFireTurn'] < 3) { // no bots near own plot, time to consider other options
            debug("Hiding fire");
            // sneakily hide the fire if one was set :)
        } else { // last option is to go find land to burn
            debug("Finding land to burn");
            var closestX = 999, closestY = 999;
            for(var i = 0; i < state.botLands.length; i++){
                var otherLand = state.botLands[i];
                if(!isLandBurning(otherLand.x, otherLand.y) && chebyshev(currentX, currentY, otherLand.x, otherLand.y) > 4){ // find someone to burn
                    // use [-3, 3] here because on the first turn, the bots could have moved before this bot had a chance to see them
                    // meaning that the [-3, 3] region is the only one that is guaranteed to be on their land
                    for(var dx = -3; dx < 4; dx++){
                        for(var dy = -3; dy < 4; dy++){
                            var type = get(otherLand.x + dx, otherLand.y + dy);
                            var distThere = manhattan(currentX, currentY, otherLand.x + dx, otherLand.y + dy);
                            var distShortest = manhattan(currentX, currentY, closestX, closestY);
                            // find normal land, or wet land that will dry by the time the bot gets to it
                            if((type == '.' || type == '@' || (type == 'W' && distThere > 1)) && distThere < distShortest){
                                closestX = otherLand.x + dx;
                                closestY = otherLand.y + dy;
                            }
                        }
                    }
                }
            }
            if(closestX != 999 && closestY != 999){ // land found; go there
                debug("Target acquired", closestX, closestY);
                debug("Burning land");
                move = getDirection(currentX, currentY, closestX, closestY);
                if(move == 'S'){ // is it on the land? If so, then burn it
                    action.type = 'B';
                    action.direction = 'S';
                    state['lastFireTurn'] = state['turn']; // record when the fire was set
                }
            } else { // everyone else's land already has a fire
                debug("Default action");
                // default to heading back; one can never be too safe!
                move = getDirection(currentX, currentY, startX, startY);
            }
        }
    }

    // save the state file
    writeState();
    // output the action
    console.log(move + action.type + action.direction);
});