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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#229041#7635. Fairy Chessucup-team987#WA 1ms3608kbC++201.7kb2023-10-28 14:53:552023-10-28 14:53:55

Judging History

你现在查看的是最新测评结果

  • [2023-10-28 14:53:55]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3608kb
  • [2023-10-28 14:53:55]
  • 提交

answer

#include<iostream>
#include<map>
#include<array>
#include<cassert>
using namespace std;
using ull=unsigned long long;
array<ull,64>D[256];
array<ull,64>OR(const array<ull,64>&A,const array<ull,64>&B)
{
	array<ull,64>ret;
	for(int i=0;i<64;i++)ret[i]=A[i]|B[i];
	return ret;
}
string S;
map<ull,bool>memo[13];
bool win(int id,ull mp)
{
	if(id==12)
	{
		return false;
	}
	assert(id<12);
	if(!~mp)return false;
	if(memo[id].find(mp)!=memo[id].end())return memo[id][mp];
	bool fn=false;
	for(int i=0;i<64;i++)if(!(mp>>i&1))
	{
		ull t=D[S[id]][i];
		if((mp&t)==0&&!win(id+1,mp|D[S[id]][i]))
		{
			fn=true;
			break;
		}
	}
	return memo[id][mp]=fn;
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	{//B
		array<ull,64>&t=D['B'];
		for(int i=0;i<8;i++)for(int j=0;j<8;j++)
		{
			ull now=1uLL<<i*8+j;
			for(int x=0;x<8;x++)for(int y=0;y<8;y++)if(abs(x-i)==abs(y-j))now|=1uLL<<x*8+y;
			t[i*8+j]=now;
		}
	}
	{//R
		array<ull,64>&t=D['R'];
		for(int i=0;i<8;i++)for(int j=0;j<8;j++)
		{
			ull now=1uLL<<i*8+j;
			for(int x=0;x<8;x++)for(int y=0;y<8;y++)if(x==i||y==j)now|=1uLL<<x*8+y;
			t[i*8+j]=now;
		}
	}
	{//K
		array<ull,64>&t=D['K'];
		for(int i=0;i<8;i++)for(int j=0;j<8;j++)
		{
			ull now=1uLL<<i*8+j;
			for(int x=0;x<8;x++)for(int y=0;y<8;y++)
			{
				int dx=abs(x-i),dy=abs(y-j);
				if(dx==1&&dy==2||dx==2&&dy==1)now|=1uLL<<x*8+y;
			}
			t[i*8+j]=now;
		}
	}
	{//Q
		array<ull,64>&t=D['Q'];
		t=OR(D['B'],D['R']);
	}
	{//A
		array<ull,64>&t=D['A'];
		t=OR(D['B'],D['K']);
	}
	{//C
		array<ull,64>&t=D['C'];
		t=OR(D['R'],D['K']);
	}
	{//M
		array<ull,64>&t=D['M'];
		t=OR(D['Q'],D['K']);
	}
	cin>>S;
	cout<<(win(0,0uLL)?"Alice":"Bob")<<endl;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3568kb

input:

BBAARRCCQQMM

output:

Bob

result:

ok single line: 'Bob'

Test #2:

score: 0
Accepted
time: 1ms
memory: 3608kb

input:

BAMBAMQQRCCR

output:

Alice

result:

ok single line: 'Alice'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

QQRAACMRMCBB

output:

Alice

result:

ok single line: 'Alice'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

MBBARQRMACQC

output:

Alice

result:

ok single line: 'Alice'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3440kb

input:

ACQCMQRBBRMA

output:

Alice

result:

ok single line: 'Alice'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3560kb

input:

MRCMABRQCQAB

output:

Alice

result:

ok single line: 'Alice'

Test #7:

score: -100
Wrong Answer
time: 1ms
memory: 3448kb

input:

BBRCMMQAAQRC

output:

Bob

result:

wrong answer 1st lines differ - expected: 'Alice', found: 'Bob'