6293256fec 2012-07-14        kinaba: import util;
6293256fec 2012-07-14        kinaba: import game;
6293256fec 2012-07-14        kinaba: import core.stdc.signal;
6293256fec 2012-07-14        kinaba: import std.c.stdlib;
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: abstract class Output
6293256fec 2012-07-14        kinaba: {
6293256fec 2012-07-14        kinaba: 	void command(char c);
6293256fec 2012-07-14        kinaba: 	void flush();
6293256fec 2012-07-14        kinaba: }
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: class NilOutput : Output
6293256fec 2012-07-14        kinaba: {
6293256fec 2012-07-14        kinaba: 	override void command(char c) {}
6293256fec 2012-07-14        kinaba: 	override void flush() {}
6293256fec 2012-07-14        kinaba: }
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: class StdOutput : Output
6293256fec 2012-07-14        kinaba: {
6293256fec 2012-07-14        kinaba: 	override void command(char c)
6293256fec 2012-07-14        kinaba: 	{
6293256fec 2012-07-14        kinaba: 		write(c);
6293256fec 2012-07-14        kinaba: 		stdout.flush();
6293256fec 2012-07-14        kinaba: 	}
6293256fec 2012-07-14        kinaba: 	override void flush() {}
6293256fec 2012-07-14        kinaba: }
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: // TODO: clean it up.
6293256fec 2012-07-14        kinaba: __gshared Output g_output;
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: class GuardedOutput : StdOutput
6293256fec 2012-07-14        kinaba: {
6293256fec 2012-07-14        kinaba: 	// Handle SIGINT: force abort and exit.
6293256fec 2012-07-14        kinaba: 	static this()
6293256fec 2012-07-14        kinaba: 	{
6293256fec 2012-07-14        kinaba: 		signal(SIGINT, &sigint);
6293256fec 2012-07-14        kinaba: 	}
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: 	extern(C) static void sigint(int)
6293256fec 2012-07-14        kinaba: 	{
6293256fec 2012-07-14        kinaba: 		if(g_output !is null)
6293256fec 2012-07-14        kinaba: 			g_output.flush();
6293256fec 2012-07-14        kinaba: 		else {
6293256fec 2012-07-14        kinaba: 			write("A");
6293256fec 2012-07-14        kinaba: 			stdout.flush();
6293256fec 2012-07-14        kinaba: 		}
6293256fec 2012-07-14        kinaba: 		exit(0);
6293256fec 2012-07-14        kinaba: 	}
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: 	Game g;
6293256fec 2012-07-14        kinaba: 	this(Game ini) { this.g = ini.clone(); ideal_log ~= g.score_if_abort_now; g_output = this; }
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: 	string log;
6293256fec 2012-07-14        kinaba: 	long[] score_log;
6293256fec 2012-07-14        kinaba: 	long[] ideal_log;
6293256fec 2012-07-14        kinaba: 
6293256fec 2012-07-14        kinaba: 	override void command(char c)
6293256fec 2012-07-14        kinaba: 	{
6293256fec 2012-07-14        kinaba: 		g.command(c);
6293256fec 2012-07-14        kinaba: 		log ~= c;
6293256fec 2012-07-14        kinaba: 		score_log ~= g.score;
6293256fec 2012-07-14        kinaba: 		ideal_log ~= g.score_if_abort_now;
6293256fec 2012-07-14        kinaba: 	}
6293256fec 2012-07-14        kinaba: 	override void flush()
6293256fec 2012-07-14        kinaba: 	{
6293256fec 2012-07-14        kinaba: 		Tuple!(long, int, int) cand;
6293256fec 2012-07-14        kinaba: 		cand[0] = long.min;
6293256fec 2012-07-14        kinaba: 		foreach(int i, long s; score_log)
6293256fec 2012-07-14        kinaba: 			if(cand[0] < s)
6293256fec 2012-07-14        kinaba: 				cand = tuple(s,i,0);
6293256fec 2012-07-14        kinaba: 		foreach(int i, long s; ideal_log)
6293256fec 2012-07-14        kinaba: 			if(cand[0] < s)
6293256fec 2012-07-14        kinaba: 				cand = tuple(s,i,1);
6293256fec 2012-07-14        kinaba: 		if(cand[2]==0)
6293256fec 2012-07-14        kinaba: 			writeln(log[0..cand[1]+1]);
6293256fec 2012-07-14        kinaba: 		else
6293256fec 2012-07-14        kinaba: 			writeln(log[0..cand[1]]~"A");
6293256fec 2012-07-14        kinaba: 		stdout.flush();
6293256fec 2012-07-14        kinaba: 	}
6293256fec 2012-07-14        kinaba: }