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162 - Beggar My Neighbour

https://onlinejudge.org/board/viewtopic.php?t=4251

Page 2 of 3

Posted: Sun Jun 20, 2004 8:47 am
by angga888
Output for shuniu's input:

Code: Select all

2 51
2 49
2 51
2 48
1 47
2 41
2 44
1 42
1 45
2 34
1 51
2 48
2 38
1 49
2 44
2 51
1 49
1 43
2 50
2 51
2 51
1 48
1 49
2 49
2 40
2 44
1 47
1 47
1 51
1 44
Good luck!

Posted: Sun Jun 20, 2004 4:18 pm
by shuniu
thanx angga! i get AC now. There was an problem in my input parsing routine.

Posted: Mon Jul 18, 2005 12:53 am
by Jan
Test your code with the input output from this topic---

http://online-judge.uva.es/board/viewto ... hlight=162

162 Beggar My Neighbour (13.08.2005)

Posted: Sat Aug 13, 2005 5:23 pm
by logan
Hello :-)

Can anybody write me game trace for sample input or check my trace?
I'm getting:
1 43

For other inputs it's even worst :-(

Game trace:
> (player, #number after previous round, table + new card)
> p=2 #c1=26 #c2=26 H2
> p=1 #c1=26 #c2=25 H2 D2
> p=2 #c1=25 #c2=25 H2 D2 S7
> p=1 #c1=25 #c2=24 H2 D2 S7 ST
> p=2 #c1=24 #c2=24 H2 D2 S7 ST SQ
> p=1 #c1=24 #c2=23 H2 D2 S7 ST SQ H8
> p=1 #c1=23 #c2=23 H2 D2 S7 ST SQ H8 HT
> player 2 gets 7 cards from table
> p=2 #c1=22 #c2=30 C3
> p=1 #c1=22 #c2=29 C3 CQ
> p=2 #c1=21 #c2=29 C3 CQ CK
> p=1 #c1=21 #c2=28 C3 CQ CK SA
> p=2 #c1=20 #c2=28 C3 CQ CK SA DA
> p=1 #c1=20 #c2=27 C3 CQ CK SA DA H9
> p=1 #c1=19 #c2=27 C3 CQ CK SA DA H9 D9
> p=1 #c1=18 #c2=27 C3 CQ CK SA DA H9 D9 DQ
> p=2 #c1=17 #c2=27 C3 CQ CK SA DA H9 D9 DQ D3
> p=2 #c1=17 #c2=26 C3 CQ CK SA DA H9 D9 DQ D3 DK
> p=1 #c1=17 #c2=25 C3 CQ CK SA DA H9 D9 DQ D3 DK DJ
> p=2 #c1=16 #c2=25 C3 CQ CK SA DA H9 D9 DQ D3 DK DJ S4
> player 1 gets 12 cards from table
> p=1 #c1=28 #c2=24 C7
> p=2 #c1=27 #c2=24 C7 H5
> p=1 #c1=27 #c2=23 C7 H5 S2
> p=2 #c1=26 #c2=23 C7 H5 S2 S3
> p=1 #c1=26 #c2=22 C7 H5 S2 S3 D8
> p=2 #c1=25 #c2=22 C7 H5 S2 S3 D8 C2
> p=1 #c1=25 #c2=21 C7 H5 S2 S3 D8 C2 C6
> p=2 #c1=24 #c2=21 C7 H5 S2 S3 D8 C2 C6 S8
> p=1 #c1=24 #c2=20 C7 H5 S2 S3 D8 C2 C6 S8 D6
> p=2 #c1=23 #c2=20 C7 H5 S2 S3 D8 C2 C6 S8 D6 CJ
> p=1 #c1=23 #c2=19 C7 H5 S2 S3 D8 C2 C6 S8 D6 CJ C8
> player 2 gets 11 cards from table
> p=2 #c1=22 #c2=30 C9
> p=1 #c1=22 #c2=29 C9 CT
> p=2 #c1=21 #c2=29 C9 CT HK
> p=1 #c1=21 #c2=28 C9 CT HK H6
> p=1 #c1=20 #c2=28 C9 CT HK H6 SJ
> p=2 #c1=19 #c2=28 C9 CT HK H6 SJ S9
> player 1 gets 6 cards from table
> p=1 #c1=25 #c2=27 D4
> p=2 #c1=24 #c2=27 D4 DT
> p=1 #c1=24 #c2=26 D4 DT HJ
> p=2 #c1=23 #c2=26 D4 DT HJ D7
> player 1 gets 4 cards from table
> p=1 #c1=27 #c2=25 D5
> p=2 #c1=26 #c2=25 D5 HQ
> p=1 #c1=26 #c2=24 D5 HQ S6
> p=1 #c1=25 #c2=24 D5 HQ S6 S5
> player 2 gets 4 cards from table
> p=2 #c1=24 #c2=28 H7
> p=1 #c1=24 #c2=27 H7 CA
> p=2 #c1=23 #c2=27 H7 CA C4
> p=2 #c1=23 #c2=26 H7 CA C4 C5
> p=2 #c1=23 #c2=25 H7 CA C4 C5 SK
> p=1 #c1=23 #c2=24 H7 CA C4 C5 SK H3
> p=1 #c1=22 #c2=24 H7 CA C4 C5 SK H3 C3
> p=1 #c1=21 #c2=24 H7 CA C4 C5 SK H3 C3 CQ
> p=2 #c1=20 #c2=24 H7 CA C4 C5 SK H3 C3 CQ H4
> p=2 #c1=20 #c2=23 H7 CA C4 C5 SK H3 C3 CQ H4 HA
> p=1 #c1=20 #c2=22 H7 CA C4 C5 SK H3 C3 CQ H4 HA CK
> p=2 #c1=19 #c2=22 H7 CA C4 C5 SK H3 C3 CQ H4 HA CK H2
> p=2 #c1=19 #c2=21 H7 CA C4 C5 SK H3 C3 CQ H4 HA CK H2 D2
> p=2 #c1=19 #c2=20 H7 CA C4 C5 SK H3 C3 CQ H4 HA CK H2 D2 S7
> player 1 gets 14 cards from table
> p=1 #c1=33 #c2=19 SA
> p=2 #c1=32 #c2=19 SA ST
> p=1 #c1=32 #c2=18 SA ST DA
> p=2 #c1=31 #c2=18 SA ST DA SQ
> p=1 #c1=31 #c2=17 SA ST DA SQ H9
> p=1 #c1=30 #c2=17 SA ST DA SQ H9 D9
> player 2 gets 6 cards from table
> p=2 #c1=29 #c2=23 H8
> p=1 #c1=29 #c2=22 H8 DQ
> p=2 #c1=28 #c2=22 H8 DQ HT
> p=2 #c1=28 #c2=21 H8 DQ HT C7
> player 1 gets 4 cards from table
> p=1 #c1=32 #c2=20 D3
> p=2 #c1=31 #c2=20 D3 H5
> p=1 #c1=31 #c2=19 D3 H5 DK
> p=2 #c1=30 #c2=19 D3 H5 DK S2
> p=2 #c1=30 #c2=18 D3 H5 DK S2 S3
> p=2 #c1=30 #c2=17 D3 H5 DK S2 S3 D8
> player 1 gets 6 cards from table
> p=1 #c1=36 #c2=16 DJ
> p=2 #c1=35 #c2=16 DJ C2
> p=1 #c1=35 #c2=15 DJ C2 S4
> p=2 #c1=34 #c2=15 DJ C2 S4 C6
> p=1 #c1=34 #c2=14 DJ C2 S4 C6 C9
> p=2 #c1=33 #c2=14 DJ C2 S4 C6 C9 S8
> p=1 #c1=33 #c2=13 DJ C2 S4 C6 C9 S8 CT
> p=2 #c1=32 #c2=13 DJ C2 S4 C6 C9 S8 CT D6
> p=1 #c1=32 #c2=12 DJ C2 S4 C6 C9 S8 CT D6 HK
> p=2 #c1=31 #c2=12 DJ C2 S4 C6 C9 S8 CT D6 HK CJ
> p=1 #c1=31 #c2=11 DJ C2 S4 C6 C9 S8 CT D6 HK CJ H6
> player 2 gets 11 cards from table
> p=2 #c1=30 #c2=22 C8
> p=1 #c1=30 #c2=21 C8 SJ
> p=2 #c1=29 #c2=21 C8 SJ D5
> player 1 gets 3 cards from table
> p=1 #c1=32 #c2=20 S9
> p=2 #c1=31 #c2=20 S9 HQ
> p=1 #c1=31 #c2=19 S9 HQ D4
> p=1 #c1=30 #c2=19 S9 HQ D4 DT
> player 2 gets 4 cards from table
> p=2 #c1=29 #c2=23 S6
> p=1 #c1=29 #c2=22 S6 HJ
> p=2 #c1=28 #c2=22 S6 HJ S5
> player 1 gets 3 cards from table
> p=1 #c1=31 #c2=21 D7
> p=2 #c1=30 #c2=21 D7 SA
> p=1 #c1=30 #c2=20 D7 SA H7
> p=1 #c1=29 #c2=20 D7 SA H7 CA
> p=2 #c1=28 #c2=20 D7 SA H7 CA ST
> p=2 #c1=28 #c2=19 D7 SA H7 CA ST DA
> p=1 #c1=28 #c2=18 D7 SA H7 CA ST DA C4
> p=1 #c1=27 #c2=18 D7 SA H7 CA ST DA C4 C5
> p=1 #c1=26 #c2=18 D7 SA H7 CA ST DA C4 C5 SK
> p=2 #c1=25 #c2=18 D7 SA H7 CA ST DA C4 C5 SK SQ
> p=1 #c1=25 #c2=17 D7 SA H7 CA ST DA C4 C5 SK SQ H3
> p=1 #c1=24 #c2=17 D7 SA H7 CA ST DA C4 C5 SK SQ H3 C3
> player 2 gets 12 cards from table
> p=2 #c1=23 #c2=29 H9
> p=1 #c1=23 #c2=28 H9 CQ
> p=2 #c1=22 #c2=28 H9 CQ D9
> p=2 #c1=22 #c2=27 H9 CQ D9 DJ
> p=1 #c1=22 #c2=26 H9 CQ D9 DJ H4
> player 2 gets 5 cards from table
> p=2 #c1=21 #c2=31 C2
> p=1 #c1=21 #c2=30 C2 HA
> p=2 #c1=20 #c2=30 C2 HA S4
> p=2 #c1=20 #c2=29 C2 HA S4 C6
> p=2 #c1=20 #c2=28 C2 HA S4 C6 C9
> p=2 #c1=20 #c2=27 C2 HA S4 C6 C9 S8
> player 1 gets 6 cards from table
> p=1 #c1=26 #c2=26 CK
> p=2 #c1=25 #c2=26 CK CT
> p=1 #c1=25 #c2=25 CK CT H2
> p=2 #c1=24 #c2=25 CK CT H2 D6
> p=1 #c1=24 #c2=24 CK CT H2 D6 D2
> p=2 #c1=23 #c2=24 CK CT H2 D6 D2 HK
> p=1 #c1=23 #c2=23 CK CT H2 D6 D2 HK S7
> p=1 #c1=22 #c2=23 CK CT H2 D6 D2 HK S7 H8
> p=1 #c1=21 #c2=23 CK CT H2 D6 D2 HK S7 H8 DQ
> p=2 #c1=20 #c2=23 CK CT H2 D6 D2 HK S7 H8 DQ CJ
> p=1 #c1=20 #c2=22 CK CT H2 D6 D2 HK S7 H8 DQ CJ HT
> player 2 gets 11 cards from table
> p=2 #c1=19 #c2=33 H6
> p=1 #c1=19 #c2=32 H6 C7
> p=2 #c1=18 #c2=32 H6 C7 S9
> p=1 #c1=18 #c2=31 H6 C7 S9 D3
> p=2 #c1=17 #c2=31 H6 C7 S9 D3 HQ
> p=1 #c1=17 #c2=30 H6 C7 S9 D3 HQ H5
> p=1 #c1=16 #c2=30 H6 C7 S9 D3 HQ H5 DK
> p=2 #c1=15 #c2=30 H6 C7 S9 D3 HQ H5 DK D4
> p=2 #c1=15 #c2=29 H6 C7 S9 D3 HQ H5 DK D4 DT
> p=2 #c1=15 #c2=28 H6 C7 S9 D3 HQ H5 DK D4 DT D7
> player 1 gets 10 cards from table
> p=1 #c1=25 #c2=27 S2
> p=2 #c1=24 #c2=27 S2 SA
> p=1 #c1=24 #c2=26 S2 SA S3
> p=1 #c1=23 #c2=26 S2 SA S3 D8
> p=1 #c1=22 #c2=26 S2 SA S3 D8 C8
> p=1 #c1=21 #c2=26 S2 SA S3 D8 C8 SJ
> p=2 #c1=20 #c2=26 S2 SA S3 D8 C8 SJ H7
> player 1 gets 7 cards from table
> p=1 #c1=27 #c2=25 D5
> p=2 #c1=26 #c2=25 D5 CA
> p=1 #c1=26 #c2=24 D5 CA S6
> p=1 #c1=25 #c2=24 D5 CA S6 HJ
> p=2 #c1=24 #c2=24 D5 CA S6 HJ ST
> player 1 gets 5 cards from table
> p=1 #c1=29 #c2=23 S5
> p=2 #c1=28 #c2=23 S5 DA
> p=1 #c1=28 #c2=22 S5 DA C2
> p=1 #c1=27 #c2=22 S5 DA C2 HA
> p=2 #c1=26 #c2=22 S5 DA C2 HA C4
> p=2 #c1=26 #c2=21 S5 DA C2 HA C4 C5
> p=2 #c1=26 #c2=20 S5 DA C2 HA C4 C5 SK
> p=1 #c1=26 #c2=19 S5 DA C2 HA C4 C5 SK S4
> p=1 #c1=25 #c2=19 S5 DA C2 HA C4 C5 SK S4 C6
> p=1 #c1=24 #c2=19 S5 DA C2 HA C4 C5 SK S4 C6 C9
> player 2 gets 10 cards from table
> p=2 #c1=23 #c2=29 SQ
> p=1 #c1=23 #c2=28 SQ S8
> p=2 #c1=22 #c2=28 SQ S8 H3
> p=1 #c1=22 #c2=27 SQ S8 H3 H6
> p=2 #c1=21 #c2=27 SQ S8 H3 H6 C3
> p=1 #c1=21 #c2=26 SQ S8 H3 H6 C3 C7
> p=2 #c1=20 #c2=26 SQ S8 H3 H6 C3 C7 H9
> p=1 #c1=20 #c2=25 SQ S8 H3 H6 C3 C7 H9 S9
> p=2 #c1=19 #c2=25 SQ S8 H3 H6 C3 C7 H9 S9 CQ
> p=1 #c1=19 #c2=24 SQ S8 H3 H6 C3 C7 H9 S9 CQ D3
> p=1 #c1=18 #c2=24 SQ S8 H3 H6 C3 C7 H9 S9 CQ D3 HQ
> p=2 #c1=17 #c2=24 SQ S8 H3 H6 C3 C7 H9 S9 CQ D3 HQ D9
> p=2 #c1=17 #c2=23 SQ S8 H3 H6 C3 C7 H9 S9 CQ D3 HQ D9 DJ
> p=1 #c1=17 #c2=22 SQ S8 H3 H6 C3 C7 H9 S9 CQ D3 HQ D9 DJ H5
> player 2 gets 14 cards from table
(...)

Posted: Tue Dec 13, 2005 3:51 pm
by mars kaseijin
greetings logan,
are you still interested in this problem?

Re: 162 Beggar My Neighbour (13.08.2005)

Posted: Sat May 23, 2009 9:03 am
by dragon135
I have the same problem like logan..
My trace is the same like him but my answer for problem's sample input is 2 43..
how come the output of the sample input became 1 44.. ?
Please, someone be kind explaining it or post the trace for the problem's sample input??
thanks..

Problem 162 - Getting WA

Posted: Tue Jun 14, 2011 5:43 pm
by araconda040494
Ok I have check with other sample tests in the forum and there's no problem with my code.

http://acm.uva.es/board/viewtopic.php?f ... 510#p18791

About the input system i have done some tricks so that dont mind about that.
One more thing : I use Pascal :(
Please help me :(

Code: Select all

const
        finp = '';
        fout = '';
var
        fi, fo : text;
        s : array[1 .. 4] of string;
        deck : array[1 .. 2] of string;
{----------------}
procedure OpenFile;
begin
        assign(fi, finp);
        reset(fi);

        assign(fo, fout);
        rewrite(fo);
end;
{----------------}
procedure Input;
begin
        readln(fi, s[2]);
        readln(fi, s[3]);
        readln(fi, s[4]);
end;
{----------------}
procedure Convert;
var
        i, j : integer;
        player : integer;
        c : char;
begin
        deck[1] := '';
        deck[2] := '';
        player := 1;

        for i := 1 to 4 do
        begin
                for j := 1 to 13 do
                begin
                        player := 3 - player;
                        c := s[i][3 * (j - 1) + 2];
                        if c = 'J' then deck[player] := '1' + deck[player]
                        else
                        if c = 'Q' then deck[player] := '2' + deck[player]
                        else
                        if c = 'K' then deck[player] := '3' + deck[player]
                        else
                        if c = 'A' then deck[player] := '4' + deck[player]
                        else deck[player] := '0' + deck[player];
                end;
        end;
end;
{----------------}
procedure Generate;
var
        table : string;
        player : integer;
        c : char;
        card : integer;
begin
        player := 1;
        repeat
                table := '';
                repeat
                        player := 3 - player;
                        if deck[player] = '' then exit;
                        c := deck[player][1];
                        table := table + c;
                        delete(deck[player], 1, 1);
                until c <> '0';

                card := ord(c) - 48;
                repeat
                        player := 3 - player;

                        while card > 0 do
                        begin
                                if deck[player] = '' then exit;
                                c := deck[player][1];
                                table := table + c;
                                delete(deck[player], 1, 1);
                                card := card - 1;

                                if c <> '0' then
                                begin
                                        card := ord(c) - 48;
                                        break;
                                end;
                        end;
                until card = 0;

                deck[3 - player] := deck[3 - player] + table;
        until false;
end;
{----------------}
procedure Output;
begin
        if deck[1] = '' then
        begin
                write(fo, '2');
                writeln(fo, length(deck[2]) : 3);
        end
        else
        begin
                write(fo, '1');
                writeln(fo, length(deck[1]) : 3);
        end;
end;
{----------------}
procedure Process;
begin
        readln(fi, s[1]);
        while s[1] <> '#' do
        begin
                Input;
                Convert;
                Generate;
                Output;
                readln(fi, s[1]);
                while s[1] = '' do readln(fi, s[1]);
        end;
end;
{----------------}
procedure CloseFile;
begin
        close(fi);
        close(fo);
end;
{----------------}
begin
        OpenFile;
        Process;
        CloseFile;
end.

Re: Problem 162 - Getting WA

Posted: Sat Jun 18, 2011 11:19 am
by zobayer
Please use existing thread, do not open new one when it is already there.

Re: 162 Beggar My Neighbour

Posted: Sun Nov 18, 2012 11:57 am
by hiddenstones
I have tested all cases from Jan's link and Observer's case and still got WA. What else am I missing?

Re: 162 Beggar My Neighbour

Posted: Sun Nov 18, 2012 12:00 pm
by hiddenstones
I have the same output as yours. What else am I missing? Can somebody give me a hint? Thank you.

Re: 162 Beggar My Neighbour

Posted: Tue Nov 20, 2012 3:01 am
by brianfry713
post your code.

Re: 162 Beggar My Neighbour

Posted: Tue Nov 20, 2012 3:01 am
by brianfry713
post your code.

162 - Beggar My Neighbour

Posted: Sun Apr 14, 2013 6:23 pm
by mennakatkout
I was getting presentation error then after I removed the last endline in the output now I'm getting WA, if someone can supply tricky test cases other than the ones already posted here about this problem, I will totally appreciate it.

Here's my code

Code: Select all


#include<iostream>
#include<stack>
#include<vector>
#include<string>
#include<map>
#include<cstdio>
using namespace std;

vector<string> nonD;
vector<string> deal;
map<char,int> mapp;

//(A), 2-9, Ten (T), Jack (J), Queen (Q) and King (K).
void simulate()
{
	vector<string> floor;
	int strt = 2; // start of game for non dealer
	int num = 1;
	bool face=false;
	while(true)
	{

		string currCard;
		if(strt == 2)
		{
			while(num)
			{
				if(nonD.size() == 0) return;
				currCard = nonD[nonD.size()-1];
				nonD.pop_back();
				floor.push_back(currCard);
				if( currCard[1] == 'A' || currCard[1] == 'J' || currCard[1] == 'Q'|| currCard[1] == 'K')
				{
					face = true;
					break;
				}
				num --;
			}
			if(face && num !=0) num = mapp[currCard[1]];
			else if(face && num == 0)
			{
				for(int i = 0 ; i < (int)floor.size() ; i++)
				{
					string f = floor[i];
					deal.insert(deal.begin(), f);
				}
				floor.clear();
				face = false;
				num = 1;
			}
			else if(num == 0) num = 1;
			strt = 1;
		}
		else if( strt ==1)
		{
			while(num)
			{
					if(deal.size() == 0) return;
					currCard = deal[deal.size()-1];
					deal.pop_back();
					floor.push_back(currCard);
					if( currCard[1] == 'A' || currCard[1] == 'J' || currCard[1] == 'Q'|| currCard[1] == 'K')
					{
						face = true;
						break;
					}
				num --;
			}
			if(face && num !=0) num = mapp[currCard[1]];
			else if(face && num == 0)
			{
					for(int i = 0 ; i < (int)floor.size() ; i++)
					{
						string f = floor[i];
						nonD.insert(nonD.begin(), f);
					}
					floor.clear();
					face = false;
					num = 1;
			}
			else if(num == 0) num = 1;
			strt = 2;
		}


	}
}
int main()
{

	mapp['J'] = 1;
	mapp['Q'] = 2;
	mapp['K'] = 3;
	mapp['A'] = 4;
	string input;
	bool last=false;
	bool flag = false; // card to non dealer
	while (true)
	{

		cin>>input;
		if( input =="#")
			break;
		if(last)
		{
			cout<<endl;
			last = false;
		}


		if( !flag) nonD.push_back(input), flag = true;
		else deal.push_back(input), flag = false;

		if( nonD.size() == 26 && deal.size() == 26)
		{
			simulate();
			if(nonD.size() == 0) cout<<"1 "<<deal.size();
			else if(deal.size() == 0) cout<<"2 "<<nonD.size();

			deal.clear();
			nonD.clear();
			last = true;
		}

	}
	return 0;
}

Re: 162 - Beggar My Neighbour

Posted: Wed Apr 17, 2013 2:36 am
by brianfry713
There should be a newline at the end of the last line. Each line will consist of the number of the winning player (1 is the dealer, 2 is the first to play) and the number of cards in the winner's hand (ignoring any on the stack), right justified in a field of width 3. So for input:

Code: Select all

H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3
H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3
H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3
H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3
#
AC output is:

Code: Select all

1  0
Your output:

Code: Select all

1 0
See this thread: http://acm.uva.es/board/viewtopic.php?t=192

162 Beggar my Neighbour What's Wrong?

Posted: Tue May 20, 2014 12:42 pm
by AmirAz
#include <cstdlib>
#include <iostream>
#include <cstdio>
#include <string>
#include <list>
using namespace std;

int card2int(const string &card) {
switch (card[1]) {
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
return int(card[1] - '0');
break;
case 'T':
return 10;
break;
case 'J':
return 11;
break;
case 'Q':
return 12;
break;
case 'K':
return 13;
break;
case 'A':
return 14;
break;
}
}

int main(void) {
list<int> p[2], mid;
string f;
int cover=0, turn= 0;
std::cin >> f;
while (f != "#")
{
p[0].clear(); p[1].clear(); mid.clear();
p[0].insert(p[0].begin(), card2int(f));
for (int i = 1; i < 52; i++)
{
std::cin>> f;
p[i%2].insert(p[i%2].begin(), card2int(f));
}
turn = cover = 0;
while (!p[turn].empty())
{
if (!cover)
{

mid.insert(mid.begin(), *p[turn].begin());
p[turn].erase(p[turn].begin());
if (*mid.begin() > 10)
cover = *mid.begin() - 10;


turn = 1- turn;
}
else
if (cover)
{

cover--;
mid.insert(mid.begin(), *p[turn].begin());
p[turn].erase(p[turn].begin());
if (*mid.begin() > 10) {
cover = *mid.begin() - 10;
turn = 1- turn;
}
else if (!cover)
{
mid.reverse();
turn = 1 - turn;
p[turn].insert(p[turn].end(), mid.begin(), mid.end());
mid.clear();
}



}
}

if (!p[1].empty()) cout << "1 " << p[1].size() << "\n";
else cout << "2 "<< p[0].size() << "\n";
std::cin >> f;
}
}

I get WA for this code, could anyone tell me what's wrong with it or give me an input that it works wrong?
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