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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#231891 | #7635. Fairy Chess | zhouhuanyi | AC ✓ | 674ms | 3696kb | C++23 | 1.7kb | 2023-10-29 17:42:50 | 2023-10-29 17:42:51 |
Judging History
answer
#include<iostream>
#include<cstdio>
#define N 8
using namespace std;
int sx[N+1]={0,1,2,-1,-2,1,2,-1,-2},sy[N+1]={0,2,1,-2,-1,-2,-1,2,1},cnt[N+1][N+1];
string s;
char c[N+1][N+1];
bool check(int x,int y,char d)
{
if (d=='R'||d=='Q'||d=='C'||d=='M')
{
for (int i=1;i<=8;++i)
{
if (i!=y&&c[x][i]!='.') return 0;
if (i!=x&&c[i][y]!='.') return 0;
}
}
if (d=='B'||d=='Q'||d=='A'||d=='M')
{
for (int i=1;i<=8;++i)
if (i!=x)
{
if (y-abs(x-i)>=1&&c[i][y-abs(x-i)]!='.') return 0;
if (y+abs(x-i)<=8&&c[i][y+abs(x-i)]!='.') return 0;
}
}
if (d=='C'||d=='A'||d=='M')
{
for (int i=1;i<=8;++i)
if (1<=x+sx[i]&&x+sx[i]<=8&&1<=y+sy[i]&&y+sy[i]<=8&&c[x+sx[i]][y+sy[i]]!='.')
return 0;
}
return 1;
}
void get(int x,int y,char d,int ds)
{
if (d=='R'||d=='Q'||d=='C'||d=='M')
{
for (int i=1;i<=8;++i)
{
if (i!=y) cnt[x][i]+=ds;
if (i!=x) cnt[i][y]+=ds;
}
}
if (d=='B'||d=='Q'||d=='A'||d=='M')
{
for (int i=1;i<=8;++i)
if (i!=x)
{
if (y-abs(x-i)>=1) cnt[i][y-abs(x-i)]+=ds;
if (y+abs(x-i)<=8) cnt[i][y+abs(x-i)]+=ds;
}
}
if (d=='C'||d=='A'||d=='M')
{
for (int i=1;i<=8;++i)
if (1<=x+sx[i]&&x+sx[i]<=8&&1<=y+sy[i]&&y+sy[i]<=8)
cnt[x+sx[i]][y+sy[i]]+=ds;
}
return;
}
bool dfs(int x)
{
bool op=0;
for (int i=1;i<=8;++i)
for (int j=1;j<=8;++j)
if (c[i][j]=='.'&&!cnt[i][j]&&check(i,j,s[x]))
{
c[i][j]=s[x],get(i,j,s[x],1),op|=(!dfs(x+1)),get(i,j,s[x],-1),c[i][j]='.';
if (op) return 1;
}
return op;
}
int main()
{
for (int i=1;i<=8;++i)
for (int j=1;j<=8;++j)
c[i][j]='.';
cin>>s,puts(dfs(0)?"Alice":"Bob");
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 61ms
memory: 3640kb
input:
BBAARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #2:
score: 0
Accepted
time: 2ms
memory: 3684kb
input:
BAMBAMQQRCCR
output:
Alice
result:
ok single line: 'Alice'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3692kb
input:
QQRAACMRMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #4:
score: 0
Accepted
time: 10ms
memory: 3544kb
input:
MBBARQRMACQC
output:
Alice
result:
ok single line: 'Alice'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
ACQCMQRBBRMA
output:
Alice
result:
ok single line: 'Alice'
Test #6:
score: 0
Accepted
time: 5ms
memory: 3576kb
input:
MRCMABRQCQAB
output:
Alice
result:
ok single line: 'Alice'
Test #7:
score: 0
Accepted
time: 11ms
memory: 3504kb
input:
BBRCMMQAAQRC
output:
Alice
result:
ok single line: 'Alice'
Test #8:
score: 0
Accepted
time: 10ms
memory: 3560kb
input:
RRMCQMACABQB
output:
Alice
result:
ok single line: 'Alice'
Test #9:
score: 0
Accepted
time: 8ms
memory: 3504kb
input:
QMQBMRBACACR
output:
Alice
result:
ok single line: 'Alice'
Test #10:
score: 0
Accepted
time: 5ms
memory: 3548kb
input:
CMRQAQCBBRAM
output:
Alice
result:
ok single line: 'Alice'
Test #11:
score: 0
Accepted
time: 12ms
memory: 3560kb
input:
CABCRQMMRQAB
output:
Alice
result:
ok single line: 'Alice'
Test #12:
score: 0
Accepted
time: 33ms
memory: 3620kb
input:
ARCBBCMQRAQM
output:
Alice
result:
ok single line: 'Alice'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
ARCMCARMQBBQ
output:
Alice
result:
ok single line: 'Alice'
Test #14:
score: 0
Accepted
time: 23ms
memory: 3680kb
input:
AQABMCQCMRRB
output:
Bob
result:
ok single line: 'Bob'
Test #15:
score: 0
Accepted
time: 4ms
memory: 3628kb
input:
ACMRABRQMCBQ
output:
Alice
result:
ok single line: 'Alice'
Test #16:
score: 0
Accepted
time: 24ms
memory: 3688kb
input:
CBARMBCQMQAR
output:
Bob
result:
ok single line: 'Bob'
Test #17:
score: 0
Accepted
time: 34ms
memory: 3624kb
input:
RBABRQMCAMQC
output:
Bob
result:
ok single line: 'Bob'
Test #18:
score: 0
Accepted
time: 2ms
memory: 3692kb
input:
MBCQBQARRMCA
output:
Alice
result:
ok single line: 'Alice'
Test #19:
score: 0
Accepted
time: 15ms
memory: 3504kb
input:
AMBQRBCQACMR
output:
Bob
result:
ok single line: 'Bob'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3564kb
input:
QRAMQMBBCRAC
output:
Alice
result:
ok single line: 'Alice'
Test #21:
score: 0
Accepted
time: 5ms
memory: 3624kb
input:
ARBCQMMBARQC
output:
Alice
result:
ok single line: 'Alice'
Test #22:
score: 0
Accepted
time: 56ms
memory: 3496kb
input:
CACAMBRQQRBM
output:
Bob
result:
ok single line: 'Bob'
Test #23:
score: 0
Accepted
time: 23ms
memory: 3500kb
input:
CQRRMMBQABCA
output:
Bob
result:
ok single line: 'Bob'
Test #24:
score: 0
Accepted
time: 22ms
memory: 3564kb
input:
ABABCQRMMCRQ
output:
Alice
result:
ok single line: 'Alice'
Test #25:
score: 0
Accepted
time: 10ms
memory: 3572kb
input:
CMBRAAQRQMBC
output:
Bob
result:
ok single line: 'Bob'
Test #26:
score: 0
Accepted
time: 2ms
memory: 3696kb
input:
AQBMRMQRBACC
output:
Alice
result:
ok single line: 'Alice'
Test #27:
score: 0
Accepted
time: 14ms
memory: 3628kb
input:
BRACQQMCAMBR
output:
Bob
result:
ok single line: 'Bob'
Test #28:
score: 0
Accepted
time: 4ms
memory: 3564kb
input:
MCCAQBMQRABR
output:
Bob
result:
ok single line: 'Bob'
Test #29:
score: 0
Accepted
time: 27ms
memory: 3504kb
input:
RBQBCRAACMQM
output:
Bob
result:
ok single line: 'Bob'
Test #30:
score: 0
Accepted
time: 10ms
memory: 3568kb
input:
ACRQARMBBQMC
output:
Bob
result:
ok single line: 'Bob'
Test #31:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
MRCQBCBQRMAA
output:
Alice
result:
ok single line: 'Alice'
Test #32:
score: 0
Accepted
time: 9ms
memory: 3692kb
input:
ACRQQCMMBBAR
output:
Bob
result:
ok single line: 'Bob'
Test #33:
score: 0
Accepted
time: 5ms
memory: 3624kb
input:
MMACQBRQABRC
output:
Bob
result:
ok single line: 'Bob'
Test #34:
score: 0
Accepted
time: 2ms
memory: 3516kb
input:
QACMQABRMCBR
output:
Alice
result:
ok single line: 'Alice'
Test #35:
score: 0
Accepted
time: 9ms
memory: 3692kb
input:
ACAQRCMRMBQB
output:
Alice
result:
ok single line: 'Alice'
Test #36:
score: 0
Accepted
time: 15ms
memory: 3680kb
input:
RABQCQMCABMR
output:
Bob
result:
ok single line: 'Bob'
Test #37:
score: 0
Accepted
time: 6ms
memory: 3500kb
input:
QQBARCRBMMAC
output:
Alice
result:
ok single line: 'Alice'
Test #38:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
RQMRQABCABCM
output:
Alice
result:
ok single line: 'Alice'
Test #39:
score: 0
Accepted
time: 3ms
memory: 3560kb
input:
RQAMBRQCCBMA
output:
Alice
result:
ok single line: 'Alice'
Test #40:
score: 0
Accepted
time: 2ms
memory: 3676kb
input:
QQBACMARMRBC
output:
Alice
result:
ok single line: 'Alice'
Test #41:
score: 0
Accepted
time: 5ms
memory: 3564kb
input:
QAQCRRAMMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #42:
score: 0
Accepted
time: 8ms
memory: 3576kb
input:
QQBMCBRARMAC
output:
Bob
result:
ok single line: 'Bob'
Test #43:
score: 0
Accepted
time: 78ms
memory: 3684kb
input:
BABARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #44:
score: 0
Accepted
time: 394ms
memory: 3640kb
input:
BBARARCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #45:
score: 0
Accepted
time: 33ms
memory: 3520kb
input:
BBAARCRCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #46:
score: 0
Accepted
time: 97ms
memory: 3556kb
input:
BBAARRCQCQMM
output:
Bob
result:
ok single line: 'Bob'
Test #47:
score: 0
Accepted
time: 60ms
memory: 3692kb
input:
BBAARRCCQMQM
output:
Bob
result:
ok single line: 'Bob'
Test #48:
score: 0
Accepted
time: 234ms
memory: 3556kb
input:
BBAACCRQMQRM
output:
Bob
result:
ok single line: 'Bob'
Test #49:
score: 0
Accepted
time: 268ms
memory: 3688kb
input:
BACBACQRRQMM
output:
Bob
result:
ok single line: 'Bob'
Test #50:
score: 0
Accepted
time: 674ms
memory: 3560kb
input:
RAABBRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #51:
score: 0
Accepted
time: 52ms
memory: 3500kb
input:
RABRBQMCACQM
output:
Bob
result:
ok single line: 'Bob'
Test #52:
score: 0
Accepted
time: 1ms
memory: 3624kb
input:
CMMQQABCRABR
output:
Alice
result:
ok single line: 'Alice'
Test #53:
score: 0
Accepted
time: 134ms
memory: 3620kb
input:
RBAABRCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Extra Test:
score: 0
Extra Test Passed