QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#364654 | #8104. Keyboard | ckiseki# | WA | 7ms | 3832kb | C++20 | 1.7kb | 2024-03-24 15:51:37 | 2024-03-24 15:51:38 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x), end(x)
#ifdef CKISEKI
#define safe cerr << __PRETTY_FUNCTION__ << " line " << __LINE__ << " safe\n"
#define debug(a...) debug_(#a, a)
#define orange(a...) orange_(#a, a)
void debug_(auto s, auto ...a) {
cerr << "\e[1;32m(" << s << ") = (";
int f = 0;
(..., (cerr << (f++ ? ", " : "") << a));
cerr << ")\e[0m\n";
}
#include <experimental/iterator>
void orange_(auto s, auto L, auto R) {
cerr << "\e[1;33m[ " << s << " ] = [ ";
using namespace experimental;
copy(L, R, make_ostream_joiner(cerr, ", "));
cerr << " ]\e[0m\n";
}
#else
#define safe ((void)0)
#define debug(...) safe
#define orange(...) safe
#endif
constexpr int N = 1'000'000 + 5;
int np[N][52][2];
int Char2Int(char c) {
if (isupper(c)) {
return 2 * (c - 'A') + 1;
}
return 2 * (c - 'a');
}
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
string s;
cin >> s;
const int n = int(s.size());
int cur[52][2];
for (int i = 0; i < 52; ++i)
for (int j = 0; j < 2; ++j)
cur[i][j] = n + 1;
for (int i = n; i >= 0; --i) {
for (int j = 0; j < 52; ++j)
for (int k = 0; k < 2; ++k)
np[i][j][k] = cur[j][k];
if (i)
cur[Char2Int(s[i - 1])][i & 1] = i;
}
int q;
cin >> q;
while (q--) {
string qi;
cin >> qi;
bool ok = true;
int swp = 1;
int p = 0;
for (auto c : qi) {
int o = (p + swp) & 1;
int x = Char2Int(c);
int nxt = min(np[p][x][o], np[p][x ^ 1][o ^ 1]);
if (nxt == n + 1) {
ok = false;
break;
}
swp ^= 1;
p = nxt;
}
cout << (ok ? "YES" : "NO") << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3832kb
input:
PTaak 4 PA tak ptak nie
output:
YES YES NO NO
result:
ok 4 token(s): yes count is 2, no count is 2
Test #2:
score: 0
Accepted
time: 0ms
memory: 3488kb
input:
X 5 XX Xx X x a
output:
NO NO YES NO NO
result:
ok 5 token(s): yes count is 1, no count is 4
Test #3:
score: -100
Wrong Answer
time: 7ms
memory: 3496kb
input:
pPjjJjpjJpJpJPJ 65540 PJjJJPJ PJJJpjpjpj JjP PJjjjPjPJjP pPJjPj ppjjjJpjJp jjpjJp ppjjJPJPP pJJPpjJpJ pPJpJ ppjJJPpjP pJjjppJ pJpjpjP pPjjJPJjPj PJjPJp pjJjJpJj pJJjJPJpPjp jJpJJjpp ppjjpPJp JPJjJj pJJpPjpj PjjPPj jPjjpj pPJjPp pjjPjjJ pjpjpj jjJPPj PJpjJp pJJj pPJj pjJpJppj pJJPPP ppjjjJpp pJJPJjP ...
output:
NO NO YES NO NO NO NO NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO NO NO NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES YES YES NO NO NO NO NO NO NO NO NO NO NO ...
result:
wrong answer expected YES, found NO [5th token]