QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#506540 | #7635. Fairy Chess | pandapythoner# | AC ✓ | 1168ms | 139792kb | C++23 | 3.7kb | 2024-08-05 19:14:08 | 2024-08-05 19:14:10 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define rep(i, n) for(int i = 0; i < n; i += 1)
#define len(a) ((int)(a).size())
const ll inf = 1e18;
mt19937 rnd(234);
string s;
map<char, vector<ull>> mp;
map<array<ull, 3>, bool> dp;
bool get(ull usd, ull captured, int i) {
assert(i < 12);
assert((usd & captured) == usd);
if (i == 12) {
return false;
}
array<ull, 3> arr = { usd, captured, i };
auto it = dp.find(arr);
if (it != dp.end()) {
return it->second;
}
bool result = false;
auto my_capturing = mp[s[i]];
assert(len(my_capturing) == 64);
for (int pos = 0; pos < 64; pos += 1) {
if ((captured >> pos) % 2 == 1) continue;
if ((my_capturing[pos] & usd) != 0) continue;
if ((usd >> pos) % 2 == 1) continue;
ull nusd = usd | (ull(1) << pos);
ull ncaptured = captured | my_capturing[pos];
if (!get(nusd, ncaptured, i + 1)) {
result = true;
break;
}
}
dp[arr] = result;
return result;
}
int32_t main() {
if (1) {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
mp.clear();
for (char c : string("RBQKACM")) {
vector<ull> capturing(64);
if (c == 'R') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = 0;
rep(i, 8) {
capturing[x * 8 + y] |= (ull(1) << (x * 8 + i));
capturing[x * 8 + y] |= (ull(1) << (i * 8 + y));
}
}
} else if (c == 'B') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = 0;
rep(i, 8) {
int dx = abs(x - i);
if (y - dx >= 0)
capturing[x * 8 + y] |= (ull(1) << (i * 8 + y - dx));
if (y + dx < 8)
capturing[x * 8 + y] |= (ull(1) << (i * 8 + y + dx));
}
}
} else if (c == 'Q') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = mp['R'][x * 8 + y] | mp['B'][x * 8 + y];
}
} else if (c == 'K') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = (ull(1) << (x * 8 + y));
for (auto [dx, dy] : { make_pair(1, 2), make_pair(2, 1) }) {
for (int sdx = -1; sdx <= 1; sdx += 2) {
for (int sdy = -1; sdy <= 1; sdy += 2) {
int nx = x + dx * sdx;
int ny = y + dy * sdy;
if (0 <= nx and nx < 8 and 0 <= ny and ny < 8) {
capturing[x * 8 + y] |= (ull(1) << (nx * 8 + ny));
}
}
}
}
}
} else if (c == 'A') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = mp['B'][x * 8 + y] | mp['K'][x * 8 + y];
}
} else if (c == 'C') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = mp['R'][x * 8 + y] | mp['K'][x * 8 + y];
}
} else if (c == 'M') {
rep(x, 8) rep(y, 8) {
capturing[x * 8 + y] = mp['Q'][x * 8 + y] | mp['K'][x * 8 + y];
}
}
mp[c] = capturing;
}
cin >> s;
if (get(0, 0, 0)) {
cout << "Alice" << "\n";
} else {
cout << "Bob" << "\n";
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 98ms
memory: 21320kb
input:
BBAARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #2:
score: 0
Accepted
time: 7ms
memory: 5000kb
input:
BAMBAMQQRCCR
output:
Alice
result:
ok single line: 'Alice'
Test #3:
score: 0
Accepted
time: 3ms
memory: 4224kb
input:
QQRAACMRMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #4:
score: 0
Accepted
time: 13ms
memory: 6104kb
input:
MBBARQRMACQC
output:
Alice
result:
ok single line: 'Alice'
Test #5:
score: 0
Accepted
time: 3ms
memory: 4436kb
input:
ACQCMQRBBRMA
output:
Alice
result:
ok single line: 'Alice'
Test #6:
score: 0
Accepted
time: 8ms
memory: 5156kb
input:
MRCMABRQCQAB
output:
Alice
result:
ok single line: 'Alice'
Test #7:
score: 0
Accepted
time: 15ms
memory: 6204kb
input:
BBRCMMQAAQRC
output:
Alice
result:
ok single line: 'Alice'
Test #8:
score: 0
Accepted
time: 12ms
memory: 6000kb
input:
RRMCQMACABQB
output:
Alice
result:
ok single line: 'Alice'
Test #9:
score: 0
Accepted
time: 13ms
memory: 6188kb
input:
QMQBMRBACACR
output:
Alice
result:
ok single line: 'Alice'
Test #10:
score: 0
Accepted
time: 7ms
memory: 5004kb
input:
CMRQAQCBBRAM
output:
Alice
result:
ok single line: 'Alice'
Test #11:
score: 0
Accepted
time: 18ms
memory: 6932kb
input:
CABCRQMMRQAB
output:
Alice
result:
ok single line: 'Alice'
Test #12:
score: 0
Accepted
time: 35ms
memory: 11588kb
input:
ARCBBCMQRAQM
output:
Alice
result:
ok single line: 'Alice'
Test #13:
score: 0
Accepted
time: 2ms
memory: 4168kb
input:
ARCMCARMQBBQ
output:
Alice
result:
ok single line: 'Alice'
Test #14:
score: 0
Accepted
time: 26ms
memory: 9044kb
input:
AQABMCQCMRRB
output:
Bob
result:
ok single line: 'Bob'
Test #15:
score: 0
Accepted
time: 7ms
memory: 5100kb
input:
ACMRABRQMCBQ
output:
Alice
result:
ok single line: 'Alice'
Test #16:
score: 0
Accepted
time: 39ms
memory: 10800kb
input:
CBARMBCQMQAR
output:
Bob
result:
ok single line: 'Bob'
Test #17:
score: 0
Accepted
time: 51ms
memory: 11604kb
input:
RBABRQMCAMQC
output:
Bob
result:
ok single line: 'Bob'
Test #18:
score: 0
Accepted
time: 2ms
memory: 4004kb
input:
MBCQBQARRMCA
output:
Alice
result:
ok single line: 'Alice'
Test #19:
score: 0
Accepted
time: 21ms
memory: 8484kb
input:
AMBQRBCQACMR
output:
Bob
result:
ok single line: 'Bob'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3964kb
input:
QRAMQMBBCRAC
output:
Alice
result:
ok single line: 'Alice'
Test #21:
score: 0
Accepted
time: 6ms
memory: 4836kb
input:
ARBCQMMBARQC
output:
Alice
result:
ok single line: 'Alice'
Test #22:
score: 0
Accepted
time: 75ms
memory: 17224kb
input:
CACAMBRQQRBM
output:
Bob
result:
ok single line: 'Bob'
Test #23:
score: 0
Accepted
time: 31ms
memory: 9060kb
input:
CQRRMMBQABCA
output:
Bob
result:
ok single line: 'Bob'
Test #24:
score: 0
Accepted
time: 22ms
memory: 8348kb
input:
ABABCQRMMCRQ
output:
Alice
result:
ok single line: 'Alice'
Test #25:
score: 0
Accepted
time: 12ms
memory: 6592kb
input:
CMBRAAQRQMBC
output:
Bob
result:
ok single line: 'Bob'
Test #26:
score: 0
Accepted
time: 2ms
memory: 3968kb
input:
AQBMRMQRBACC
output:
Alice
result:
ok single line: 'Alice'
Test #27:
score: 0
Accepted
time: 20ms
memory: 7440kb
input:
BRACQQMCAMBR
output:
Bob
result:
ok single line: 'Bob'
Test #28:
score: 0
Accepted
time: 7ms
memory: 5148kb
input:
MCCAQBMQRABR
output:
Bob
result:
ok single line: 'Bob'
Test #29:
score: 0
Accepted
time: 33ms
memory: 10880kb
input:
RBQBCRAACMQM
output:
Bob
result:
ok single line: 'Bob'
Test #30:
score: 0
Accepted
time: 14ms
memory: 6056kb
input:
ACRQARMBBQMC
output:
Bob
result:
ok single line: 'Bob'
Test #31:
score: 0
Accepted
time: 2ms
memory: 3952kb
input:
MRCQBCBQRMAA
output:
Alice
result:
ok single line: 'Alice'
Test #32:
score: 0
Accepted
time: 16ms
memory: 6448kb
input:
ACRQQCMMBBAR
output:
Bob
result:
ok single line: 'Bob'
Test #33:
score: 0
Accepted
time: 9ms
memory: 5392kb
input:
MMACQBRQABRC
output:
Bob
result:
ok single line: 'Bob'
Test #34:
score: 0
Accepted
time: 3ms
memory: 4440kb
input:
QACMQABRMCBR
output:
Alice
result:
ok single line: 'Alice'
Test #35:
score: 0
Accepted
time: 15ms
memory: 6376kb
input:
ACAQRCMRMBQB
output:
Alice
result:
ok single line: 'Alice'
Test #36:
score: 0
Accepted
time: 19ms
memory: 7584kb
input:
RABQCQMCABMR
output:
Bob
result:
ok single line: 'Bob'
Test #37:
score: 0
Accepted
time: 11ms
memory: 5572kb
input:
QQBARCRBMMAC
output:
Alice
result:
ok single line: 'Alice'
Test #38:
score: 0
Accepted
time: 1ms
memory: 3744kb
input:
RQMRQABCABCM
output:
Alice
result:
ok single line: 'Alice'
Test #39:
score: 0
Accepted
time: 0ms
memory: 4656kb
input:
RQAMBRQCCBMA
output:
Alice
result:
ok single line: 'Alice'
Test #40:
score: 0
Accepted
time: 2ms
memory: 4064kb
input:
QQBACMARMRBC
output:
Alice
result:
ok single line: 'Alice'
Test #41:
score: 0
Accepted
time: 14ms
memory: 6356kb
input:
QAQCRRAMMCBB
output:
Alice
result:
ok single line: 'Alice'
Test #42:
score: 0
Accepted
time: 7ms
memory: 5956kb
input:
QQBMCBRARMAC
output:
Bob
result:
ok single line: 'Bob'
Test #43:
score: 0
Accepted
time: 89ms
memory: 17848kb
input:
BABARRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #44:
score: 0
Accepted
time: 474ms
memory: 63752kb
input:
BBARARCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #45:
score: 0
Accepted
time: 47ms
memory: 11976kb
input:
BBAARCRCQQMM
output:
Alice
result:
ok single line: 'Alice'
Test #46:
score: 0
Accepted
time: 141ms
memory: 26148kb
input:
BBAARRCQCQMM
output:
Bob
result:
ok single line: 'Bob'
Test #47:
score: 0
Accepted
time: 104ms
memory: 21320kb
input:
BBAARRCCQMQM
output:
Bob
result:
ok single line: 'Bob'
Test #48:
score: 0
Accepted
time: 342ms
memory: 51684kb
input:
BBAACCRQMQRM
output:
Bob
result:
ok single line: 'Bob'
Test #49:
score: 0
Accepted
time: 457ms
memory: 67744kb
input:
BACBACQRRQMM
output:
Bob
result:
ok single line: 'Bob'
Test #50:
score: 0
Accepted
time: 1168ms
memory: 139792kb
input:
RAABBRCCQQMM
output:
Bob
result:
ok single line: 'Bob'
Test #51:
score: 0
Accepted
time: 60ms
memory: 15276kb
input:
RABRBQMCACQM
output:
Bob
result:
ok single line: 'Bob'
Test #52:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
CMMQQABCRABR
output:
Alice
result:
ok single line: 'Alice'
Test #53:
score: 0
Accepted
time: 190ms
memory: 33488kb
input:
RBAABRCCQQMM
output:
Alice
result:
ok single line: 'Alice'
Extra Test:
score: 0
Extra Test Passed