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Submission #1006355

# Submission time Handle Problem Language Result Execution time Memory
1006355 2024-06-23T20:24:13 Z aykhn Homework (CEOI22_homework) C++17
23 / 100
 97 ms 111824 KB 
#include <bits/stdc++.h>
 
using namespace std;

#define inf 0x3F3F3F3F

const int MXN = 5e3 + 5;

int n, r, cnt;
string s;
int adj[MXN][2];
int dp[MXN][MXN];
int sz[MXN];
int t[MXN];

void dfs(int a)
{
  if (t[a] == 2)
  {
    dp[a][1] = 1;
    sz[a] = 1;
    return;
  }
  dfs(adj[a][0]), dfs(adj[a][1]);
  if (t[a] == 1)
  {
    for (int i = 1; i <= sz[adj[a][0]]; i++)
    {
      int f = 0;
      for (int j = 1; j <= sz[adj[a][1]]; j++)
      {
        f |= dp[adj[a][1]][j]; 
        if (dp[adj[a][0]][i] && f)
        {
          dp[a][i + j] = 1;
        }
      }
    }
    for (int i = 1; i <= sz[adj[a][1]]; i++)
    {
      int f = 0;
      for (int j = 1; j <= sz[adj[a][0]]; j++)
      {
        f |= dp[adj[a][0]][j]; 
        if (dp[adj[a][1]][i] && f)
        {
          dp[a][i + j] = 1;
        }
      }
    }
  }
  else
  {
    for (int i = 1; i <= sz[adj[a][0]]; i++)
    {
      int f = 0;
      for (int j = sz[adj[a][1]]; j >= 0; j--)
      {
        if (dp[adj[a][0]][i] && f)
        {
          dp[a][i + j] = 1;
        }
        f |= dp[adj[a][1]][j]; 
      }
    }
    for (int i = 1; i <= sz[adj[a][1]]; i++)
    {
      int f = 0;
      for (int j = sz[adj[a][0]]; j >= 0; j--)
      {
        if (dp[adj[a][1]][i] && f)
        {
          dp[a][i + j] = 1;
        }
        f |= dp[adj[a][0]][j]; 
      }
    }
  }
  sz[a] = sz[adj[a][0]] + sz[adj[a][1]];
  int mx = -inf, mn = inf;
  for (int i = 1; i <= n; i++)
  {
    if (dp[a][i]) mn = min(mn, i), mx = i;
  }
  if (mn != inf)
  {
    for (int i = mn; i <= mx; i++) assert(dp[a][i]);
  }
}

signed main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> s;
  n = s.length();
  string nw;
  for (int i = 0; i < s.length(); i++)
  {
    if (s[i] == ',') continue;
    if (s[i] == '?')
    {
      t[nw.size()] = 2;
      nw.push_back('(');
      nw.push_back(')');
    }
    else if (s[i] == '(' || s[i] == ')') nw.push_back(s[i]);
    else 
    {
      if (s[i + 1] == 'i') t[nw.size()] = 0;
      else t[nw.size()] = 1;
      i += 2;
    }
  }
  vector<int> v;
  vector<int> R(nw.size(), 0);
  for (int i = (int)nw.size() - 1; i >= 0; i--)
  {
    if (nw[i] == ')') v.push_back(i);
    else R[i] = v.back(), v.pop_back();
  }
  v.clear();
  for (int i = (int)nw.size() - 1; i >= 0; i--)
  {
    if (nw[i] == '(') 
    {
      vector<int> tmp;
      while (!v.empty() && v.back() <= R[i]) tmp.push_back(v.back()), v.pop_back();
      assert(tmp.size() == 2 || tmp.empty());
      v.push_back(i);
      if (tmp.size() == 2) 
      {
        adj[i][0] = tmp[0], adj[i][1] = tmp[1];
      }
    }
  }
  assert(v.size() == 1);
  dfs(v[0]);
  int res = 0;
  for (int i = 1; i <= n; i++) 
  {
    res += dp[v[0]][i];
  }
  cout << res << '\n';
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:98:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |   for (int i = 0; i < s.length(); i++)
      |                   ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 348 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2392 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 1 ms 2392 KB Output is correct
54 Correct 0 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 0 ms 344 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 97 ms 111824 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2392 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 1 ms 2392 KB Output is correct
54 Correct 0 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Runtime error 3 ms 4952 KB Execution killed with signal 6
58 Halted 0 ms 0 KB -

Subtask #5
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2392 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 0 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 1 ms 2392 KB Output is correct
54 Correct 0 ms 2396 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Runtime error 97 ms 111824 KB Execution killed with signal 11
58 Halted 0 ms 0 KB -