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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#241824#7635. Fairy ChessSolitaryDream#AC ✓1274ms139996kbC++172.0kb2023-11-06 18:03:582023-11-06 18:03:59

Judging History

你现在查看的是最新测评结果

  • [2023-11-06 18:03:59]
  • 评测
  • 测评结果:AC
  • 用时:1274ms
  • 内存:139996kb
  • [2023-11-06 18:03:58]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

using ull=unsigned long long;

int dx[]={-1,-2,-2,-1,1,2,2,1},dy[]={2,1,-1,-2,-2,-1,1,2};

ull rook[64],bishop[64],knight[64];

char s[15];

map<tuple<int,ull,ull>,int> rem;

int dfs(int x,ull p,ull a)
{
    if(x==13)
        return 0;
    if(rem.count({x,p,a}))
        return rem[{x,p,a}];
    auto &ret=rem[{x,p,a}];
    for(int i=0;i<64;i++)
    {
        if((p>>i&1)||(a>>i&1))
            continue;
        ull atk;
        if(s[x]=='B')
            atk=bishop[i];
        else if(s[x]=='R')
            atk=rook[i];
        else if(s[x]=='K')
            atk=knight[i];
        else if(s[x]=='Q')
            atk=rook[i]|bishop[i];
        else if(s[x]=='A')
            atk=bishop[i]|knight[i];
        else if(s[x]=='C')
            atk=rook[i]|knight[i];
        else if(s[x]=='M')
            atk=knight[i]|rook[i]|bishop[i];
        else
            assert(0);
        if(atk&p)
            continue;
        ret|=!dfs(x+1,p|(1ull<<i),a|atk);
        if(ret)
            return ret;
    }
    return ret;
}

int gid(int x,int y)
{
    if(x<0||x>7||y<0||y>7)
        return -1;
    return x<<3|y;
}

int main()
{
    for(int i=0;i<64;i++)
    {
        int x=i>>3,y=i&7;
        for(int u=-8;u<=8;u++)
        {
            int p=gid(x+u,y);
            if(p!=-1)
                rook[i]|=1ull<<p;
            p=gid(x,y+u);
            if(p!=-1)
                rook[i]|=1ull<<p;
        }
        
        for(int u=-8;u<=8;u++)
        {
            int p=gid(x+u,y+u);
            if(p!=-1)
                bishop[i]|=1ull<<p;
            p=gid(x-u,y+u);
            if(p!=-1)
                bishop[i]|=1ull<<p;
        }

        for(int u=0;u<8;u++)
        {
            int p=gid(x+dx[u],y+dy[u]);
            if(p!=-1)
                knight[i]|=1ull<<p;
        }
    }
    scanf("%s",s+1);
    if(dfs(1,0,0))
        puts("Alice");
    else
        puts("Bob");
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 123ms
memory: 21360kb

input:

BBAARRCCQQMM

output:

Bob

result:

ok single line: 'Bob'

Test #2:

score: 0
Accepted
time: 7ms
memory: 5048kb

input:

BAMBAMQQRCCR

output:

Alice

result:

ok single line: 'Alice'

Test #3:

score: 0
Accepted
time: 4ms
memory: 4248kb

input:

QQRAACMRMCBB

output:

Alice

result:

ok single line: 'Alice'

Test #4:

score: 0
Accepted
time: 13ms
memory: 6028kb

input:

MBBARQRMACQC

output:

Alice

result:

ok single line: 'Alice'

Test #5:

score: 0
Accepted
time: 4ms
memory: 4336kb

input:

ACQCMQRBBRMA

output:

Alice

result:

ok single line: 'Alice'

Test #6:

score: 0
Accepted
time: 4ms
memory: 5176kb

input:

MRCMABRQCQAB

output:

Alice

result:

ok single line: 'Alice'

Test #7:

score: 0
Accepted
time: 15ms
memory: 6396kb

input:

BBRCMMQAAQRC

output:

Alice

result:

ok single line: 'Alice'

Test #8:

score: 0
Accepted
time: 13ms
memory: 6176kb

input:

RRMCQMACABQB

output:

Alice

result:

ok single line: 'Alice'

Test #9:

score: 0
Accepted
time: 14ms
memory: 6248kb

input:

QMQBMRBACACR

output:

Alice

result:

ok single line: 'Alice'

Test #10:

score: 0
Accepted
time: 7ms
memory: 5104kb

input:

CMRQAQCBBRAM

output:

Alice

result:

ok single line: 'Alice'

Test #11:

score: 0
Accepted
time: 19ms
memory: 6884kb

input:

CABCRQMMRQAB

output:

Alice

result:

ok single line: 'Alice'

Test #12:

score: 0
Accepted
time: 47ms
memory: 11484kb

input:

ARCBBCMQRAQM

output:

Alice

result:

ok single line: 'Alice'

Test #13:

score: 0
Accepted
time: 2ms
memory: 4092kb

input:

ARCMCARMQBBQ

output:

Alice

result:

ok single line: 'Alice'

Test #14:

score: 0
Accepted
time: 30ms
memory: 9228kb

input:

AQABMCQCMRRB

output:

Bob

result:

ok single line: 'Bob'

Test #15:

score: 0
Accepted
time: 8ms
memory: 5248kb

input:

ACMRABRQMCBQ

output:

Alice

result:

ok single line: 'Alice'

Test #16:

score: 0
Accepted
time: 43ms
memory: 10904kb

input:

CBARMBCQMQAR

output:

Bob

result:

ok single line: 'Bob'

Test #17:

score: 0
Accepted
time: 52ms
memory: 11560kb

input:

RBABRQMCAMQC

output:

Bob

result:

ok single line: 'Bob'

Test #18:

score: 0
Accepted
time: 2ms
memory: 3968kb

input:

MBCQBQARRMCA

output:

Alice

result:

ok single line: 'Alice'

Test #19:

score: 0
Accepted
time: 18ms
memory: 8452kb

input:

AMBQRBCQACMR

output:

Bob

result:

ok single line: 'Bob'

Test #20:

score: 0
Accepted
time: 0ms
memory: 3908kb

input:

QRAMQMBBCRAC

output:

Alice

result:

ok single line: 'Alice'

Test #21:

score: 0
Accepted
time: 6ms
memory: 4720kb

input:

ARBCQMMBARQC

output:

Alice

result:

ok single line: 'Alice'

Test #22:

score: 0
Accepted
time: 89ms
memory: 17296kb

input:

CACAMBRQQRBM

output:

Bob

result:

ok single line: 'Bob'

Test #23:

score: 0
Accepted
time: 29ms
memory: 9060kb

input:

CQRRMMBQABCA

output:

Bob

result:

ok single line: 'Bob'

Test #24:

score: 0
Accepted
time: 29ms
memory: 8444kb

input:

ABABCQRMMCRQ

output:

Alice

result:

ok single line: 'Alice'

Test #25:

score: 0
Accepted
time: 17ms
memory: 6688kb

input:

CMBRAAQRQMBC

output:

Bob

result:

ok single line: 'Bob'

Test #26:

score: 0
Accepted
time: 2ms
memory: 4004kb

input:

AQBMRMQRBACC

output:

Alice

result:

ok single line: 'Alice'

Test #27:

score: 0
Accepted
time: 18ms
memory: 7448kb

input:

BRACQQMCAMBR

output:

Bob

result:

ok single line: 'Bob'

Test #28:

score: 0
Accepted
time: 7ms
memory: 5120kb

input:

MCCAQBMQRABR

output:

Bob

result:

ok single line: 'Bob'

Test #29:

score: 0
Accepted
time: 44ms
memory: 11036kb

input:

RBQBCRAACMQM

output:

Bob

result:

ok single line: 'Bob'

Test #30:

score: 0
Accepted
time: 10ms
memory: 6248kb

input:

ACRQARMBBQMC

output:

Bob

result:

ok single line: 'Bob'

Test #31:

score: 0
Accepted
time: 2ms
memory: 3916kb

input:

MRCQBCBQRMAA

output:

Alice

result:

ok single line: 'Alice'

Test #32:

score: 0
Accepted
time: 16ms
memory: 6624kb

input:

ACRQQCMMBBAR

output:

Bob

result:

ok single line: 'Bob'

Test #33:

score: 0
Accepted
time: 9ms
memory: 5676kb

input:

MMACQBRQABRC

output:

Bob

result:

ok single line: 'Bob'

Test #34:

score: 0
Accepted
time: 3ms
memory: 4164kb

input:

QACMQABRMCBR

output:

Alice

result:

ok single line: 'Alice'

Test #35:

score: 0
Accepted
time: 10ms
memory: 6156kb

input:

ACAQRCMRMBQB

output:

Alice

result:

ok single line: 'Alice'

Test #36:

score: 0
Accepted
time: 19ms
memory: 7824kb

input:

RABQCQMCABMR

output:

Bob

result:

ok single line: 'Bob'

Test #37:

score: 0
Accepted
time: 7ms
memory: 5688kb

input:

QQBARCRBMMAC

output:

Alice

result:

ok single line: 'Alice'

Test #38:

score: 0
Accepted
time: 1ms
memory: 3760kb

input:

RQMRQABCABCM

output:

Alice

result:

ok single line: 'Alice'

Test #39:

score: 0
Accepted
time: 5ms
memory: 4608kb

input:

RQAMBRQCCBMA

output:

Alice

result:

ok single line: 'Alice'

Test #40:

score: 0
Accepted
time: 2ms
memory: 4188kb

input:

QQBACMARMRBC

output:

Alice

result:

ok single line: 'Alice'

Test #41:

score: 0
Accepted
time: 11ms
memory: 6468kb

input:

QAQCRRAMMCBB

output:

Alice

result:

ok single line: 'Alice'

Test #42:

score: 0
Accepted
time: 12ms
memory: 6056kb

input:

QQBMCBRARMAC

output:

Bob

result:

ok single line: 'Bob'

Test #43:

score: 0
Accepted
time: 95ms
memory: 17824kb

input:

BABARRCCQQMM

output:

Bob

result:

ok single line: 'Bob'

Test #44:

score: 0
Accepted
time: 577ms
memory: 63720kb

input:

BBARARCCQQMM

output:

Alice

result:

ok single line: 'Alice'

Test #45:

score: 0
Accepted
time: 47ms
memory: 12168kb

input:

BBAARCRCQQMM

output:

Alice

result:

ok single line: 'Alice'

Test #46:

score: 0
Accepted
time: 157ms
memory: 26272kb

input:

BBAARRCQCQMM

output:

Bob

result:

ok single line: 'Bob'

Test #47:

score: 0
Accepted
time: 121ms
memory: 21364kb

input:

BBAARRCCQMQM

output:

Bob

result:

ok single line: 'Bob'

Test #48:

score: 0
Accepted
time: 368ms
memory: 51724kb

input:

BBAACCRQMQRM

output:

Bob

result:

ok single line: 'Bob'

Test #49:

score: 0
Accepted
time: 481ms
memory: 67688kb

input:

BACBACQRRQMM

output:

Bob

result:

ok single line: 'Bob'

Test #50:

score: 0
Accepted
time: 1274ms
memory: 139996kb

input:

RAABBRCCQQMM

output:

Bob

result:

ok single line: 'Bob'

Test #51:

score: 0
Accepted
time: 72ms
memory: 15312kb

input:

RABRBQMCACQM

output:

Bob

result:

ok single line: 'Bob'

Test #52:

score: 0
Accepted
time: 1ms
memory: 3772kb

input:

CMMQQABCRABR

output:

Alice

result:

ok single line: 'Alice'

Test #53:

score: 0
Accepted
time: 225ms
memory: 33320kb

input:

RBAABRCCQQMM

output:

Alice

result:

ok single line: 'Alice'

Extra Test:

score: 0
Extra Test Passed