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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
#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

你现在查看的是最新测评结果

[2024-03-24 15:51:38]
评测

测评结果：WA
用时：7ms
内存：3832kb

查看

[2024-03-24 15:51:37]
提交

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;
}

源文件, 语言: C++20

详细

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]