QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#593116 | #7635. Fairy Chess | wkr | AC ✓ | 441ms | 3728kb | C++20 | 2.8kb | 2024-09-27 11:41:06 | 2024-09-27 11:41:07 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define close ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
typedef unsigned long long ull;
const string t = "RBQCAM";
array<array<ull, 64>, 6> hit;
string s;
array<int, 12> a;
inline bool Alice(int nums, ull vis, ull used);
inline bool Bob(int nums, ull vis, ull used);
inline int pos(int x, int y)
{
return 8 * x + y;
}
inline bool Alice(int nums, ull vis, ull used)
{
if (nums == 12)
{
return 0;
}
for (int i = 0; i < 64; i++)
{
if ((1ull << i) & used)
{
continue;
}
ull who = hit[a[nums]][i];
if (vis & who)
{
continue;
}
if (Bob(nums + 1, vis | (1ull << i), used | who))
{
return 1;
}
}
return 0;
}
inline bool Bob(int nums, ull vis, ull used)
{
for (int i = 0; i < 64; i++)
{
if ((1ull << i) & used)
{
continue;
}
ull who = hit[a[nums]][i];
if (vis & who)
{
continue;
}
if (!Alice(nums + 1, vis | (1ull << i), used | who))
{
return 0;
}
}
return 1;
}
void solved()
{
cin >> s;
for (int i = 0; i < 12; i++)
{
a[i] = t.find(s[i]);
}
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
ull p = 0;
int idx = pos(i, j);
for (int k = 0; k < 8; k++)
{
hit[0][idx] |= 1ull << pos(i, k);
hit[0][idx] |= 1ull << pos(k, j);
}
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
if (x + y == i + j || x - y == i - j)
{
hit[1][idx] |= 1ull << pos(x, y);
}
}
}
hit[2][idx] = hit[0][idx] | hit[1][idx];
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
int dx = i - x;
int dy = j - y;
if (dx * dx + dy * dy == 5)
{
p |= 1ull << pos(x, y);
}
}
}
for (int k = 3; k <= 5; k++)
{
hit[k][idx] = p | hit[k - 3][idx];
}
}
}
if (Alice(0, 0, 0))
{
cout << "Alice" << endl;
}
else
{
cout << "Bob" << endl;
}
}
signed main()
{
close;
solved();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 41ms
memory: 3572kb
input:
BBAARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #2:
score: 0
Accepted
time: 3ms
memory: 3648kb
input:
BAMBAMQQRCCR
output:
Alice
result:
ok single line: 'Alice'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
QQRAACMRMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #4:
score: 0
Accepted
time: 6ms
memory: 3668kb
input:
MBBARQRMACQC
output:
Alice
result:
ok single line: 'Alice'
Test #5:
score: 0
Accepted
time: 2ms
memory: 3672kb
input:
ACQCMQRBBRMA
output:
Alice
result:
ok single line: 'Alice'
Test #6:
score: 0
Accepted
time: 3ms
memory: 3728kb
input:
MRCMABRQCQAB
output:
Alice
result:
ok single line: 'Alice'
Test #7:
score: 0
Accepted
time: 6ms
memory: 3588kb
input:
BBRCMMQAAQRC
output:
Alice
result:
ok single line: 'Alice'
Test #8:
score: 0
Accepted
time: 5ms
memory: 3644kb
input:
RRMCQMACABQB
output:
Alice
result:
ok single line: 'Alice'
Test #9:
score: 0
Accepted
time: 4ms
memory: 3724kb
input:
QMQBMRBACACR
output:
Alice
result:
ok single line: 'Alice'
Test #10:
score: 0
Accepted
time: 2ms
memory: 3676kb
input:
CMRQAQCBBRAM
output:
Alice
result:
ok single line: 'Alice'
Test #11:
score: 0
Accepted
time: 7ms
memory: 3728kb
input:
CABCRQMMRQAB
output:
Alice
result:
ok single line: 'Alice'
Test #12:
score: 0
Accepted
time: 20ms
memory: 3588kb
input:
ARCBBCMQRAQM
output:
Alice
result:
ok single line: 'Alice'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3648kb
input:
ARCMCARMQBBQ
output:
Alice
result:
ok single line: 'Alice'
Test #14:
score: 0
Accepted
time: 12ms
memory: 3588kb
input:
AQABMCQCMRRB
output:
Bob
result:
ok single line: 'Bob'
Test #15:
score: 0
Accepted
time: 3ms
memory: 3708kb
input:
ACMRABRQMCBQ
output:
Alice
result:
ok single line: 'Alice'
Test #16:
score: 0
Accepted
time: 13ms
memory: 3672kb
input:
CBARMBCQMQAR
output:
Bob
result:
ok single line: 'Bob'
Test #17:
score: 0
Accepted
time: 18ms
memory: 3668kb
input:
RBABRQMCAMQC
output:
Bob
result:
ok single line: 'Bob'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
MBCQBQARRMCA
output:
Alice
result:
ok single line: 'Alice'
Test #19:
score: 0
Accepted
time: 9ms
memory: 3672kb
input:
AMBQRBCQACMR
output:
Bob
result:
ok single line: 'Bob'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3612kb
input:
QRAMQMBBCRAC
output:
Alice
result:
ok single line: 'Alice'
Test #21:
score: 0
Accepted
time: 2ms
memory: 3648kb
input:
ARBCQMMBARQC
output:
Alice
result:
ok single line: 'Alice'
Test #22:
score: 0
Accepted
time: 27ms
memory: 3588kb
input:
CACAMBRQQRBM
output:
Bob
result:
ok single line: 'Bob'
Test #23:
score: 0
Accepted
time: 11ms
memory: 3644kb
input:
CQRRMMBQABCA
output:
Bob
result:
ok single line: 'Bob'
Test #24:
score: 0
Accepted
time: 12ms
memory: 3584kb
input:
ABABCQRMMCRQ
output:
Alice
result:
ok single line: 'Alice'
Test #25:
score: 0
Accepted
time: 6ms
memory: 3720kb
input:
CMBRAAQRQMBC
output:
Bob
result:
ok single line: 'Bob'
Test #26:
score: 0
Accepted
time: 1ms
memory: 3620kb
input:
AQBMRMQRBACC
output:
Alice
result:
ok single line: 'Alice'
Test #27:
score: 0
Accepted
time: 8ms
memory: 3672kb
input:
BRACQQMCAMBR
output:
Bob
result:
ok single line: 'Bob'
Test #28:
score: 0
Accepted
time: 2ms
memory: 3588kb
input:
MCCAQBMQRABR
output:
Bob
result:
ok single line: 'Bob'
Test #29:
score: 0
Accepted
time: 12ms
memory: 3672kb
input:
RBQBCRAACMQM
output:
Bob
result:
ok single line: 'Bob'
Test #30:
score: 0
Accepted
time: 2ms
memory: 3624kb
input:
ACRQARMBBQMC
output:
Bob
result:
ok single line: 'Bob'
Test #31:
score: 0
Accepted
time: 1ms
memory: 3672kb
input:
MRCQBCBQRMAA
output:
Alice
result:
ok single line: 'Alice'
Test #32:
score: 0
Accepted
time: 5ms
memory: 3668kb
input:
ACRQQCMMBBAR
output:
Bob
result:
ok single line: 'Bob'
Test #33:
score: 0
Accepted
time: 3ms
memory: 3648kb
input:
MMACQBRQABRC
output:
Bob
result:
ok single line: 'Bob'
Test #34:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
QACMQABRMCBR
output:
Alice
result:
ok single line: 'Alice'
Test #35:
score: 0
Accepted
time: 5ms
memory: 3596kb
input:
ACAQRCMRMBQB
output:
Alice
result:
ok single line: 'Alice'
Test #36:
score: 0
Accepted
time: 8ms
memory: 3648kb
input:
RABQCQMCABMR
output:
Bob
result:
ok single line: 'Bob'
Test #37:
score: 0
Accepted
time: 4ms
memory: 3588kb
input:
QQBARCRBMMAC
output:
Alice
result:
ok single line: 'Alice'
Test #38:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
RQMRQABCABCM
output:
Alice
result:
ok single line: 'Alice'
Test #39:
score: 0
Accepted
time: 2ms
memory: 3560kb
input:
RQAMBRQCCBMA
output:
Alice
result:
ok single line: 'Alice'
Test #40:
score: 0
Accepted
time: 1ms
memory: 3556kb
input:
QQBACMARMRBC
output:
Alice
result:
ok single line: 'Alice'
Test #41:
score: 0
Accepted
time: 5ms
memory: 3572kb
input:
QAQCRRAMMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #42:
score: 0
Accepted
time: 4ms
memory: 3572kb
input:
QQBMCBRARMAC
output:
Bob
result:
ok single line: 'Bob'
Test #43:
score: 0
Accepted
time: 53ms
memory: 3580kb
input:
BABARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #44:
score: 0
Accepted
time: 252ms
memory: 3716kb
input:
BBARARCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #45:
score: 0
Accepted
time: 21ms
memory: 3676kb
input:
BBAARCRCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #46:
score: 0
Accepted
time: 65ms
memory: 3600kb
input:
BBAARRCQCQMM
output:
Bob
result:
ok single line: 'Bob'
Test #47:
score: 0
Accepted
time: 41ms
memory: 3672kb
input:
BBAARRCCQMQM
output:
Bob
result:
ok single line: 'Bob'
Test #48:
score: 0
Accepted
time: 145ms
memory: 3708kb
input:
BBAACCRQMQRM
output:
Bob
result:
ok single line: 'Bob'
Test #49:
score: 0
Accepted
time: 148ms
memory: 3672kb
input:
BACBACQRRQMM
output:
Bob
result:
ok single line: 'Bob'
Test #50:
score: 0
Accepted
time: 441ms
memory: 3588kb
input:
RAABBRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #51:
score: 0
Accepted
time: 30ms
memory: 3648kb
input:
RABRBQMCACQM
output:
Bob
result:
ok single line: 'Bob'
Test #52:
score: 0
Accepted
time: 1ms
memory: 3672kb
input:
CMMQQABCRABR
output:
Alice
result:
ok single line: 'Alice'
Test #53:
score: 0
Accepted
time: 83ms
memory: 3648kb
input:
RBAABRCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Extra Test:
score: 0
Extra Test Passed