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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 |
---|---|---|---|---|---|---|---|---|---|
#228675 | #7635. Fairy Chess | ucup-team1198# | AC ✓ | 507ms | 3540kb | C++20 | 2.8kb | 2023-10-28 13:57:10 | 2023-10-28 13:57:10 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define ld long double
#define all(a) (a).begin(), (a).end()
vector<int> moves;
int knight_steps_x[8] = {-2, -2, -1, 1, 2, 2, 1, -1};
int knight_steps_y[8] = {1, -1, -2, -2, -1, 1, 2, 2};
// 0: Bishop, 1: Rook, 2: Queen, 3: Archbishop, 4: Chancellor, 5: Maharaja
const unsigned long long ONE = 1ULL;
unsigned long long beats[6][64];
bool wins(int i, unsigned long long beated, unsigned long long figures) {
if (i == moves.size())
return false;
int figure = moves[i];
for (unsigned long long pos = 0; pos < 64; ++pos) {
if (beated & (ONE << pos))
continue;
if (figures & beats[figure][pos])
continue;
bool res = wins(i + 1, beated | beats[figure][pos], figures | (ONE << pos));
if (!res)
return true;
}
return false;
}
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
for (int x = 0; x < 8; ++x) {
for (int y = 0; y < 8; ++y) {
unsigned long long bishop_mask = 0ULL;
unsigned long long rook_mask = 0ULL;
unsigned long long knight_mask = 0ULL;
for (int i = -7; i <= 7; ++i) {
if (x + i >= 0 && x + i < 8 && y + i >= 0 && y + i < 8)
bishop_mask |= (ONE << (unsigned long long)((x + i) * 8 + (y + i)));
}
for (int i = -7; i <= 7; ++i) {
if (x + i >= 0 && x + i < 8 && y - i >= 0 && y - i < 8)
bishop_mask |= (ONE << (unsigned long long)((x + i) * 8 + (y - i)));
}
for (int i = 0; i < 8; ++i)
rook_mask |= (ONE << (unsigned long long)(i * 8 + y));
for (int i = 0; i < 8; ++i)
rook_mask |= (ONE << (unsigned long long)(x * 8 + i));
for (int step = 0; step < 8; ++step) {
int new_x = x + knight_steps_x[step];
int new_y = y + knight_steps_y[step];
if (new_x >= 0 && new_x < 8 && new_y >= 0 && new_y < 8)
knight_mask |= (ONE << (unsigned long long)(new_x * 8 + new_y));
}
beats[0][x * 8 + y] = bishop_mask;
beats[1][x * 8 + y] = rook_mask;
beats[2][x * 8 + y] = bishop_mask | rook_mask;
beats[3][x * 8 + y] = bishop_mask | knight_mask;
beats[4][x * 8 + y] = rook_mask | knight_mask;
beats[5][x * 8 + y] = bishop_mask | rook_mask | knight_mask;
}
}
string s;
cin >> s;
map<char, int> id;
id['B'] = 0;
id['R'] = 1;
id['Q'] = 2;
id['A'] = 3;
id['C'] = 4;
id['M'] = 5;
for (char c : s) {
moves.emplace_back(id[c]);
}
if (wins(0, 0ull, 0ull))
cout << "Alice\n";
else
cout << "Bob\n";
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 48ms
memory: 3396kb
input:
BBAARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #2:
score: 0
Accepted
time: 4ms
memory: 3492kb
input:
BAMBAMQQRCCR
output:
Alice
result:
ok single line: 'Alice'
Test #3:
score: 0
Accepted
time: 2ms
memory: 3496kb
input:
QQRAACMRMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #4:
score: 0
Accepted
time: 8ms
memory: 3412kb
input:
MBBARQRMACQC
output:
Alice
result:
ok single line: 'Alice'
Test #5:
score: 0
Accepted
time: 2ms
memory: 3452kb
input:
ACQCMQRBBRMA
output:
Alice
result:
ok single line: 'Alice'
Test #6:
score: 0
Accepted
time: 4ms
memory: 3428kb
input:
MRCMABRQCQAB
output:
Alice
result:
ok single line: 'Alice'
Test #7:
score: 0
Accepted
time: 7ms
memory: 3420kb
input:
BBRCMMQAAQRC
output:
Alice
result:
ok single line: 'Alice'
Test #8:
score: 0
Accepted
time: 7ms
memory: 3496kb
input:
RRMCQMACABQB
output:
Alice
result:
ok single line: 'Alice'
Test #9:
score: 0
Accepted
time: 6ms
memory: 3452kb
input:
QMQBMRBACACR
output:
Alice
result:
ok single line: 'Alice'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3404kb
input:
CMRQAQCBBRAM
output:
Alice
result:
ok single line: 'Alice'
Test #11:
score: 0
Accepted
time: 8ms
memory: 3416kb
input:
CABCRQMMRQAB
output:
Alice
result:
ok single line: 'Alice'
Test #12:
score: 0
Accepted
time: 22ms
memory: 3400kb
input:
ARCBBCMQRAQM
output:
Alice
result:
ok single line: 'Alice'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3436kb
input:
ARCMCARMQBBQ
output:
Alice
result:
ok single line: 'Alice'
Test #14:
score: 0
Accepted
time: 15ms
memory: 3496kb
input:
AQABMCQCMRRB
output:
Bob
result:
ok single line: 'Bob'
Test #15:
score: 0
Accepted
time: 4ms
memory: 3452kb
input:
ACMRABRQMCBQ
output:
Alice
result:
ok single line: 'Alice'
Test #16:
score: 0
Accepted
time: 16ms
memory: 3496kb
input:
CBARMBCQMQAR
output:
Bob
result:
ok single line: 'Bob'
Test #17:
score: 0
Accepted
time: 23ms
memory: 3392kb
input:
RBABRQMCAMQC
output:
Bob
result:
ok single line: 'Bob'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3428kb
input:
MBCQBQARRMCA
output:
Alice
result:
ok single line: 'Alice'
Test #19:
score: 0
Accepted
time: 11ms
memory: 3420kb
input:
AMBQRBCQACMR
output:
Bob
result:
ok single line: 'Bob'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3460kb
input:
QRAMQMBBCRAC
output:
Alice
result:
ok single line: 'Alice'
Test #21:
score: 0
Accepted
time: 3ms
memory: 3400kb
input:
ARBCQMMBARQC
output:
Alice
result:
ok single line: 'Alice'
Test #22:
score: 0
Accepted
time: 40ms
memory: 3416kb
input:
CACAMBRQQRBM
output:
Bob
result:
ok single line: 'Bob'
Test #23:
score: 0
Accepted
time: 11ms
memory: 3488kb
input:
CQRRMMBQABCA
output:
Bob
result:
ok single line: 'Bob'
Test #24:
score: 0
Accepted
time: 11ms
memory: 3420kb
input:
ABABCQRMMCRQ
output:
Alice
result:
ok single line: 'Alice'
Test #25:
score: 0
Accepted
time: 7ms
memory: 3412kb
input:
CMBRAAQRQMBC
output:
Bob
result:
ok single line: 'Bob'
Test #26:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
AQBMRMQRBACC
output:
Alice
result:
ok single line: 'Alice'
Test #27:
score: 0
Accepted
time: 10ms
memory: 3408kb
input:
BRACQQMCAMBR
output:
Bob
result:
ok single line: 'Bob'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
MCCAQBMQRABR
output:
Bob
result:
ok single line: 'Bob'
Test #29:
score: 0
Accepted
time: 15ms
memory: 3472kb
input:
RBQBCRAACMQM
output:
Bob
result:
ok single line: 'Bob'
Test #30:
score: 0
Accepted
time: 7ms
memory: 3448kb
input:
ACRQARMBBQMC
output:
Bob
result:
ok single line: 'Bob'
Test #31:
score: 0
Accepted
time: 1ms
memory: 3528kb
input:
MRCQBCBQRMAA
output:
Alice
result:
ok single line: 'Alice'
Test #32:
score: 0
Accepted
time: 7ms
memory: 3412kb
input:
ACRQQCMMBBAR
output:
Bob
result:
ok single line: 'Bob'
Test #33:
score: 0
Accepted
time: 4ms
memory: 3436kb
input:
MMACQBRQABRC
output:
Bob
result:
ok single line: 'Bob'
Test #34:
score: 0
Accepted
time: 0ms
memory: 3492kb
input:
QACMQABRMCBR
output:
Alice
result:
ok single line: 'Alice'
Test #35:
score: 0
Accepted
time: 6ms
memory: 3528kb
input:
ACAQRCMRMBQB
output:
Alice
result:
ok single line: 'Alice'
Test #36:
score: 0
Accepted
time: 9ms
memory: 3456kb
input:
RABQCQMCABMR
output:
Bob
result:
ok single line: 'Bob'
Test #37:
score: 0
Accepted
time: 4ms
memory: 3428kb
input:
QQBARCRBMMAC
output:
Alice
result:
ok single line: 'Alice'
Test #38:
score: 0
Accepted
time: 1ms
memory: 3408kb
input:
RQMRQABCABCM
output:
Alice
result:
ok single line: 'Alice'
Test #39:
score: 0
Accepted
time: 3ms
memory: 3488kb
input:
RQAMBRQCCBMA
output:
Alice
result:
ok single line: 'Alice'
Test #40:
score: 0
Accepted
time: 0ms
memory: 3460kb
input:
QQBACMARMRBC
output:
Alice
result:
ok single line: 'Alice'
Test #41:
score: 0
Accepted
time: 7ms
memory: 3424kb
input:
QAQCRRAMMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #42:
score: 0
Accepted
time: 5ms
memory: 3468kb
input:
QQBMCBRARMAC
output:
Bob
result:
ok single line: 'Bob'
Test #43:
score: 0
Accepted
time: 59ms
memory: 3408kb
input:
BABARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #44:
score: 0
Accepted
time: 291ms
memory: 3448kb
input:
BBARARCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #45:
score: 0
Accepted
time: 22ms
memory: 3416kb
input:
BBAARCRCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #46:
score: 0
Accepted
time: 77ms
memory: 3412kb
input:
BBAARRCQCQMM
output:
Bob
result:
ok single line: 'Bob'
Test #47:
score: 0
Accepted
time: 44ms
memory: 3540kb
input:
BBAARRCCQMQM
output:
Bob
result:
ok single line: 'Bob'
Test #48:
score: 0
Accepted
time: 177ms
memory: 3500kb
input:
BBAACCRQMQRM
output:
Bob
result:
ok single line: 'Bob'
Test #49:
score: 0
Accepted
time: 171ms
memory: 3536kb
input:
BACBACQRRQMM
output:
Bob
result:
ok single line: 'Bob'
Test #50:
score: 0
Accepted
time: 507ms
memory: 3420kb
input:
RAABBRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #51:
score: 0
Accepted
time: 36ms
memory: 3528kb
input:
RABRBQMCACQM
output:
Bob
result:
ok single line: 'Bob'
Test #52:
score: 0
Accepted
time: 1ms
memory: 3500kb
input:
CMMQQABCRABR
output:
Alice
result:
ok single line: 'Alice'
Test #53:
score: 0
Accepted
time: 96ms
memory: 3424kb
input:
RBAABRCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Extra Test:
score: 0
Extra Test Passed