QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#228025 | #7635. Fairy Chess | ucup-team1209# | AC ✓ | 931ms | 139792kb | C++20 | 1.8kb | 2023-10-28 10:46:13 | 2023-10-28 10:46:14 |
Judging History
answer
#include<bits/stdc++.h>
using std::cin, std::cout;
int n, m;
using u64 = unsigned long long;
using u128 = __int128_t;
std::map<u128, int> map[15];
u64 atk[256][64];
int id(int x, int y) { return x * 8 + y; }
char c[100];
u128 mp(u64 x, u64 y) {
return (u128) x << 64 | y;
}
u64 sid(int x, int y) {
if(x < 0 || x >= 8) return 0;
if(y < 0 || y >= 8) return 0;
return 1ull << id(x, y);
}
bool dfs(u64 s, u64 place, int id) {
if(s == 0 || id == 12) {
return 0;
}
u128 state = mp(place, s);
auto iter = map[id].find(state);
if(iter != map[id].end()) return iter -> second;
int & ans = map[id][state];
for(u64 x = s;x;x &= x - 1) {
int p = __builtin_ctzll(x);
if(place & atk[c[id]][p]) {
continue;
}
ans = ans || !dfs(s & ~atk[c[id]][p], place | 1ull << p, id + 1);
}
return ans;
}
int main() {
std::ios::sync_with_stdio(false), cin.tie(0);
for(int i = 0;i < 8;++i) {
for(int j = 0;j < 8;++j) {
for(int k = 0;k < 8;++k) {
atk['R'][id(i, j)] |= 1ull << id(i, k);
atk['R'][id(i, j)] |= 1ull << id(k, j);
atk['B'][id(i, j)] |= sid(i + k, j + k);
atk['B'][id(i, j)] |= sid(i + k, j - k);
atk['B'][id(i, j)] |= sid(i - k, j + k);
atk['B'][id(i, j)] |= sid(i - k, j - k);
}
atk['K'][id(i, j)] |= sid(i, j);
for(int u : {2, -2})
for(int v : {1, -1}) {
atk['K'][id(i, j)] |= sid(i + u, j + v);
atk['K'][id(i, j)] |= sid(i + v, j + u);
}
atk['Q'][id(i, j)] = atk['R'][id(i, j)] | atk['B'][id(i, j)];
atk['A'][id(i, j)] = atk['B'][id(i, j)] | atk['K'][id(i, j)];
atk['C'][id(i, j)] = atk['R'][id(i, j)] | atk['K'][id(i, j)];
atk['M'][id(i, j)] = atk['Q'][id(i, j)] | atk['K'][id(i, j)];
}
}
cin >> c;
cout << (dfs(-1ull, 0, 0) ? "Alice" : "Bob") << '\n';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 77ms
memory: 21344kb
input:
BBAARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #2:
score: 0
Accepted
time: 2ms
memory: 4976kb
input:
BAMBAMQQRCCR
output:
Alice
result:
ok single line: 'Alice'
Test #3:
score: 0
Accepted
time: 2ms
memory: 4264kb
input:
QQRAACMRMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #4:
score: 0
Accepted
time: 9ms
memory: 6052kb
input:
MBBARQRMACQC
output:
Alice
result:
ok single line: 'Alice'
Test #5:
score: 0
Accepted
time: 2ms
memory: 4232kb
input:
ACQCMQRBBRMA
output:
Alice
result:
ok single line: 'Alice'
Test #6:
score: 0
Accepted
time: 3ms
memory: 5300kb
input:
MRCMABRQCQAB
output:
Alice
result:
ok single line: 'Alice'
Test #7:
score: 0
Accepted
time: 10ms
memory: 6088kb
input:
BBRCMMQAAQRC
output:
Alice
result:
ok single line: 'Alice'
Test #8:
score: 0
Accepted
time: 8ms
memory: 5780kb
input:
RRMCQMACABQB
output:
Alice
result:
ok single line: 'Alice'
Test #9:
score: 0
Accepted
time: 9ms
memory: 5864kb
input:
QMQBMRBACACR
output:
Alice
result:
ok single line: 'Alice'
Test #10:
score: 0
Accepted
time: 5ms
memory: 4904kb
input:
CMRQAQCBBRAM
output:
Alice
result:
ok single line: 'Alice'
Test #11:
score: 0
Accepted
time: 13ms
memory: 6948kb
input:
CABCRQMMRQAB
output:
Alice
result:
ok single line: 'Alice'
Test #12:
score: 0
Accepted
time: 30ms
memory: 11432kb
input:
ARCBBCMQRAQM
output:
Alice
result:
ok single line: 'Alice'
Test #13:
score: 0
Accepted
time: 1ms
memory: 4092kb
input:
ARCMCARMQBBQ
output:
Alice
result:
ok single line: 'Alice'
Test #14:
score: 0
Accepted
time: 20ms
memory: 9072kb
input:
AQABMCQCMRRB
output:
Bob
result:
ok single line: 'Bob'
Test #15:
score: 0
Accepted
time: 5ms
memory: 5136kb
input:
ACMRABRQMCBQ
output:
Alice
result:
ok single line: 'Alice'
Test #16:
score: 0
Accepted
time: 20ms
memory: 10768kb
input:
CBARMBCQMQAR
output:
Bob
result:
ok single line: 'Bob'
Test #17:
score: 0
Accepted
time: 34ms
memory: 11572kb
input:
RBABRQMCAMQC
output:
Bob
result:
ok single line: 'Bob'
Test #18:
score: 0
Accepted
time: 0ms
memory: 4012kb
input:
MBCQBQARRMCA
output:
Alice
result:
ok single line: 'Alice'
Test #19:
score: 0
Accepted
time: 15ms
memory: 8220kb
input:
AMBQRBCQACMR
output:
Bob
result:
ok single line: 'Bob'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
QRAMQMBBCRAC
output:
Alice
result:
ok single line: 'Alice'
Test #21:
score: 0
Accepted
time: 4ms
memory: 4660kb
input:
ARBCQMMBARQC
output:
Alice
result:
ok single line: 'Alice'
Test #22:
score: 0
Accepted
time: 58ms
memory: 17192kb
input:
CACAMBRQQRBM
output:
Bob
result:
ok single line: 'Bob'
Test #23:
score: 0
Accepted
time: 21ms
memory: 8696kb
input:
CQRRMMBQABCA
output:
Bob
result:
ok single line: 'Bob'
Test #24:
score: 0
Accepted
time: 19ms
memory: 8412kb
input:
ABABCQRMMCRQ
output:
Alice
result:
ok single line: 'Alice'
Test #25:
score: 0
Accepted
time: 12ms
memory: 6536kb
input:
CMBRAAQRQMBC
output:
Bob
result:
ok single line: 'Bob'
Test #26:
score: 0
Accepted
time: 2ms
memory: 3984kb
input:
AQBMRMQRBACC
output:
Alice
result:
ok single line: 'Alice'
Test #27:
score: 0
Accepted
time: 15ms
memory: 7316kb
input:
BRACQQMCAMBR
output:
Bob
result:
ok single line: 'Bob'
Test #28:
score: 0
Accepted
time: 5ms
memory: 4932kb
input:
MCCAQBMQRABR
output:
Bob
result:
ok single line: 'Bob'
Test #29:
score: 0
Accepted
time: 31ms
memory: 10856kb
input:
RBQBCRAACMQM
output:
Bob
result:
ok single line: 'Bob'
Test #30:
score: 0
Accepted
time: 10ms
memory: 6016kb
input:
ACRQARMBBQMC
output:
Bob
result:
ok single line: 'Bob'
Test #31:
score: 0
Accepted
time: 1ms
memory: 3944kb
input:
MRCQBCBQRMAA
output:
Alice
result:
ok single line: 'Alice'
Test #32:
score: 0
Accepted
time: 11ms
memory: 6564kb
input:
ACRQQCMMBBAR
output:
Bob
result:
ok single line: 'Bob'
Test #33:
score: 0
Accepted
time: 3ms
memory: 5360kb
input:
MMACQBRQABRC
output:
Bob
result:
ok single line: 'Bob'
Test #34:
score: 0
Accepted
time: 2ms
memory: 4200kb
input:
QACMQABRMCBR
output:
Alice
result:
ok single line: 'Alice'
Test #35:
score: 0
Accepted
time: 7ms
memory: 6064kb
input:
ACAQRCMRMBQB
output:
Alice
result:
ok single line: 'Alice'
Test #36:
score: 0
Accepted
time: 12ms
memory: 7632kb
input:
RABQCQMCABMR
output:
Bob
result:
ok single line: 'Bob'
Test #37:
score: 0
Accepted
time: 7ms
memory: 5640kb
input:
QQBARCRBMMAC
output:
Alice
result:
ok single line: 'Alice'
Test #38:
score: 0
Accepted
time: 1ms
memory: 3820kb
input:
RQMRQABCABCM
output:
Alice
result:
ok single line: 'Alice'
Test #39:
score: 0
Accepted
time: 3ms
memory: 4644kb
input:
RQAMBRQCCBMA
output:
Alice
result:
ok single line: 'Alice'
Test #40:
score: 0
Accepted
time: 2ms
memory: 4076kb
input:
QQBACMARMRBC
output:
Alice
result:
ok single line: 'Alice'
Test #41:
score: 0
Accepted
time: 10ms
memory: 6280kb
input:
QAQCRRAMMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #42:
score: 0
Accepted
time: 8ms
memory: 5864kb
input:
QQBMCBRARMAC
output:
Bob
result:
ok single line: 'Bob'
Test #43:
score: 0
Accepted
time: 63ms
memory: 17680kb
input:
BABARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #44:
score: 0
Accepted
time: 384ms
memory: 63640kb
input:
BBARARCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #45:
score: 0
Accepted
time: 32ms
memory: 12056kb
input:
BBAARCRCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #46:
score: 0
Accepted
time: 99ms
memory: 26144kb
input:
BBAARRCQCQMM
output:
Bob
result:
ok single line: 'Bob'
Test #47:
score: 0
Accepted
time: 81ms
memory: 21404kb
input:
BBAARRCCQMQM
output:
Bob
result:
ok single line: 'Bob'
Test #48:
score: 0
Accepted
time: 257ms
memory: 51588kb
input:
BBAACCRQMQRM
output:
Bob
result:
ok single line: 'Bob'
Test #49:
score: 0
Accepted
time: 340ms
memory: 67412kb
input:
BACBACQRRQMM
output:
Bob
result:
ok single line: 'Bob'
Test #50:
score: 0
Accepted
time: 931ms
memory: 139792kb
input:
RAABBRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #51:
score: 0
Accepted
time: 48ms
memory: 15084kb
input:
RABRBQMCACQM
output:
Bob
result:
ok single line: 'Bob'
Test #52:
score: 0
Accepted
time: 0ms
memory: 3672kb
input:
CMMQQABCRABR
output:
Alice
result:
ok single line: 'Alice'
Test #53:
score: 0
Accepted
time: 137ms
memory: 33284kb
input:
RBAABRCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Extra Test:
score: 0
Extra Test Passed