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답안 #971590

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
971590 2024-04-29T03:39:35 Z vjudge1 Homework (CEOI22_homework) C++17
10 / 100
 1000 ms 20844 KB 
#include<bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define endl "\n"
using namespace std;

const int N = 1e5 + 10;

pair<int, int> st[N];

int t[N];

int operation[N];

int child[2][N], a[N], order[N];

bool dd[N];

int32_t main() {
  #define task ""

  cin.tie(0) -> sync_with_stdio(0);

  if (fopen("task.inp", "r")) {
    freopen("task.inp", "r", stdin);
    freopen("task.out", "w", stdout);
  }

  if (fopen(task".inp", "r")) {
    freopen (task".inp", "r", stdin);
    freopen (task".out", "w", stdout);
  }

  string str; cin >> str;


  int p = 0;

  int id = 0, _id = 0;

  for(char c : str) if (c == '?') _id++;
  int n = _id;

  for(int i = 0; i < str.size(); i++) {
    if (str[i] == 'm') {
      i += 3;
      st[++p] = make_pair(0, 0);
      t[p] = str[i - 1] == 'x';
//      cout << str[i - 1] << " " << t[p] << endl;
    }
    else if (str[i] == '?') {
      ++id;
      if (st[p].first == 0) st[p].first = id;
      else st[p].second = id;
    }
    else if (str[i] == ')') {
      ++_id;
      assert(st[p].first && st[p].second);
      child[0][_id] = st[p].first;
      child[1][_id] = st[p].second;
      operation[_id] = t[p];
//      cout << _id << " " << st[p].first << " " << st[p].second << " " << operation[_id] << endl;
      --p;
      if (st[p].first == 0) st[p].first = _id;
      else st[p].second = _id;
    }
  }

  auto dfs = [&] (auto self, int u) {
    if (u <= n) {
      a[u] = order[u];
      return;
    }
    self(self, child[0][u]);
    self(self, child[1][u]);
    if (operation[u]) a[u] = max(a[child[0][u]], a[child[1][u]]);
    else a[u] = min(a[child[0][u]], a[child[1][u]]);
  };

  for(int i = 1; i <= n; i++) order[i] = i;
  do {
//    for(int i = 1; i <= n; i++) cerr << order[i] << " "; cerr << endl;
    dfs(dfs, _id);
    dd[a[_id]] = 1;
  } while (next_permutation(order + 1, order + n + 1));


  int ans = 0;
  for(int i = 1; i <= n; i++) ans += dd[i];

  int change = 0;
  for(int i = 2; i <= n; i++) change += dd[i] ^ dd[i - 1];
  assert(change <= 2);
//  for(int i = 1; i <= n; i++) cout << dd[i] << " "; cout  << endl;
  cout << ans;
}

Compilation message

Main.cpp: In function 'int32_t main()':
Main.cpp:43:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |   for(int i = 0; i < str.size(); i++) {
      |                  ~~^~~~~~~~~~~~
Main.cpp:24:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     freopen("task.inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:25:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |     freopen("task.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:29:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     freopen (task".inp", "r", stdin);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:30:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen (task".out", "w", stdout);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2396 KB Output is correct
2 Correct 11 ms 2396 KB Output is correct
3 Correct 11 ms 2552 KB Output is correct
4 Correct 10 ms 2396 KB Output is correct
5 Correct 12 ms 2520 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 10 ms 2516 KB Output is correct
8 Correct 10 ms 2396 KB Output is correct
9 Correct 10 ms 2392 KB Output is correct
10 Correct 12 ms 2392 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 11 ms 2652 KB Output is correct
13 Correct 12 ms 2396 KB Output is correct
14 Correct 12 ms 2396 KB Output is correct
15 Correct 12 ms 2396 KB Output is correct
16 Correct 14 ms 2396 KB Output is correct
17 Correct 14 ms 2396 KB Output is correct
18 Correct 15 ms 2396 KB Output is correct
19 Correct 15 ms 2516 KB Output is correct
20 Correct 14 ms 2648 KB Output is correct
21 Correct 12 ms 2396 KB Output is correct
22 Correct 10 ms 2396 KB Output is correct
23 Correct 12 ms 2396 KB Output is correct
24 Correct 14 ms 2660 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct

Subtask #2
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2396 KB Output is correct
2 Correct 11 ms 2396 KB Output is correct
3 Correct 11 ms 2552 KB Output is correct
4 Correct 10 ms 2396 KB Output is correct
5 Correct 12 ms 2520 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 10 ms 2516 KB Output is correct
8 Correct 10 ms 2396 KB Output is correct
9 Correct 10 ms 2392 KB Output is correct
10 Correct 12 ms 2392 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 11 ms 2652 KB Output is correct
13 Correct 12 ms 2396 KB Output is correct
14 Correct 12 ms 2396 KB Output is correct
15 Correct 12 ms 2396 KB Output is correct
16 Correct 14 ms 2396 KB Output is correct
17 Correct 14 ms 2396 KB Output is correct
18 Correct 15 ms 2396 KB Output is correct
19 Correct 15 ms 2516 KB Output is correct
20 Correct 14 ms 2648 KB Output is correct
21 Correct 12 ms 2396 KB Output is correct
22 Correct 10 ms 2396 KB Output is correct
23 Correct 12 ms 2396 KB Output is correct
24 Correct 14 ms 2660 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Execution timed out 1066 ms 2396 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 24 ms 20844 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2396 KB Output is correct
2 Correct 11 ms 2396 KB Output is correct
3 Correct 11 ms 2552 KB Output is correct
4 Correct 10 ms 2396 KB Output is correct
5 Correct 12 ms 2520 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 10 ms 2516 KB Output is correct
8 Correct 10 ms 2396 KB Output is correct
9 Correct 10 ms 2392 KB Output is correct
10 Correct 12 ms 2392 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 11 ms 2652 KB Output is correct
13 Correct 12 ms 2396 KB Output is correct
14 Correct 12 ms 2396 KB Output is correct
15 Correct 12 ms 2396 KB Output is correct
16 Correct 14 ms 2396 KB Output is correct
17 Correct 14 ms 2396 KB Output is correct
18 Correct 15 ms 2396 KB Output is correct
19 Correct 15 ms 2516 KB Output is correct
20 Correct 14 ms 2648 KB Output is correct
21 Correct 12 ms 2396 KB Output is correct
22 Correct 10 ms 2396 KB Output is correct
23 Correct 12 ms 2396 KB Output is correct
24 Correct 14 ms 2660 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Execution timed out 1066 ms 2396 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #5
0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2396 KB Output is correct
2 Correct 11 ms 2396 KB Output is correct
3 Correct 11 ms 2552 KB Output is correct
4 Correct 10 ms 2396 KB Output is correct
5 Correct 12 ms 2520 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 10 ms 2516 KB Output is correct
8 Correct 10 ms 2396 KB Output is correct
9 Correct 10 ms 2392 KB Output is correct
10 Correct 12 ms 2392 KB Output is correct
11 Correct 12 ms 2520 KB Output is correct
12 Correct 11 ms 2652 KB Output is correct
13 Correct 12 ms 2396 KB Output is correct
14 Correct 12 ms 2396 KB Output is correct
15 Correct 12 ms 2396 KB Output is correct
16 Correct 14 ms 2396 KB Output is correct
17 Correct 14 ms 2396 KB Output is correct
18 Correct 15 ms 2396 KB Output is correct
19 Correct 15 ms 2516 KB Output is correct
20 Correct 14 ms 2648 KB Output is correct
21 Correct 12 ms 2396 KB Output is correct
22 Correct 10 ms 2396 KB Output is correct
23 Correct 12 ms 2396 KB Output is correct
24 Correct 14 ms 2660 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Execution timed out 1066 ms 2396 KB Time limit exceeded
30 Halted 0 ms 0 KB -