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Submission #856175

# Submission time Handle Problem Language Result Execution time Memory
856175 2023-10-02T18:46:55 Z Sorting Beech Tree (IOI23_beechtree) C++17
9 / 100
 2000 ms 47528 KB 
#include "beechtree.h"
#include <algorithm>
#include <map>

using namespace std;

const int N = 2e5 + 3;

int n, m, c[N], p[N];
vector<int> adj[N];

vector<int> get_subtree(int x){
    vector<int> subtree{x};
    for(int to: adj[x]){
        vector<int> add = get_subtree(to);
        for(int y: add){
            subtree.push_back(y);
        }
    }
    return subtree;
}

bool check(vector<int> &subtree){
    map<int, int> cnt;
    for(int i = 1; i < subtree.size(); ++i){
        int node = subtree[i];
        int color = c[node];

        if(p[node] != subtree[cnt[color]]){
            return false;
        }
        ++cnt[color];
    }
    return true;
}

std::vector<int> beechtree(int N, int M, std::vector<int> P, std::vector<int> C)
{
    n = N, m = M;
    copy(C.begin(), C.end(), c);
    copy(P.begin(), P.end(), p);
    for(int i = 1; i < n; ++i){
        adj[P[i]].push_back(i);
    }

    vector<int> ans;
    for(int i = 0; i < n; ++i){
        vector<int> subtree = get_subtree(i);
        sort(subtree.begin(), subtree.end());

        bool ok = false;
        do{
            if(subtree[0] != i){
                continue;
            }

            if(check(subtree)){
                ok = true;
                break;
            }
        }
        while(next_permutation(subtree.begin(), subtree.end()));

        ans.push_back(ok);
    }
    return ans;
}

Compilation message

beechtree.cpp: In function 'bool check(std::vector<int>&)':
beechtree.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 1; i < subtree.size(); ++i){
      |                    ~~^~~~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Execution timed out 2083 ms 5468 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 2 ms 5468 KB Output is correct
3 Correct 1 ms 5468 KB Output is correct
4 Correct 2 ms 5468 KB Output is correct
5 Correct 2 ms 5468 KB Output is correct
6 Correct 2 ms 5468 KB Output is correct
7 Correct 1 ms 5468 KB Output is correct
8 Correct 1 ms 5468 KB Output is correct
9 Correct 1 ms 5468 KB Output is correct
10 Correct 1 ms 5468 KB Output is correct
11 Correct 1 ms 5468 KB Output is correct
12 Correct 1 ms 5468 KB Output is correct
13 Correct 1 ms 5468 KB Output is correct
14 Correct 1 ms 5468 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 1 ms 5464 KB Output is correct
17 Correct 1 ms 5468 KB Output is correct
18 Correct 1 ms 5468 KB Output is correct
19 Correct 1 ms 5468 KB Output is correct
20 Correct 1 ms 5468 KB Output is correct
21 Correct 1 ms 5468 KB Output is correct
22 Correct 2 ms 5468 KB Output is correct
23 Correct 1 ms 5468 KB Output is correct
24 Correct 1 ms 5468 KB Output is correct
25 Correct 1 ms 5468 KB Output is correct
26 Correct 1 ms 5528 KB Output is correct
27 Correct 1 ms 5468 KB Output is correct
28 Correct 1 ms 5464 KB Output is correct
29 Correct 2 ms 5468 KB Output is correct
30 Correct 1 ms 5468 KB Output is correct
31 Correct 1 ms 5468 KB Output is correct
32 Correct 2 ms 5468 KB Output is correct
33 Correct 1 ms 5468 KB Output is correct
34 Correct 1 ms 5468 KB Output is correct

Subtask #2
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 2 ms 5468 KB Output is correct
3 Correct 1 ms 5468 KB Output is correct
4 Correct 2 ms 5468 KB Output is correct
5 Correct 2 ms 5468 KB Output is correct
6 Correct 2 ms 5468 KB Output is correct
7 Execution timed out 2058 ms 47528 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2029 ms 5464 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 2 ms 5468 KB Output is correct
3 Correct 1 ms 5468 KB Output is correct
4 Correct 1 ms 5468 KB Output is correct
5 Execution timed out 2058 ms 47528 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Execution timed out 2083 ms 5468 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 2 ms 5468 KB Output is correct
3 Correct 1 ms 5468 KB Output is correct
4 Correct 1 ms 5468 KB Output is correct
5 Correct 1 ms 5468 KB Output is correct
6 Correct 1 ms 5468 KB Output is correct
7 Correct 1 ms 5468 KB Output is correct
8 Correct 1 ms 5468 KB Output is correct
9 Correct 1 ms 5468 KB Output is correct
10 Correct 1 ms 5468 KB Output is correct
11 Correct 2 ms 5468 KB Output is correct
12 Correct 1 ms 5464 KB Output is correct
13 Correct 1 ms 5468 KB Output is correct
14 Correct 1 ms 5468 KB Output is correct
15 Correct 1 ms 5468 KB Output is correct
16 Correct 1 ms 5468 KB Output is correct
17 Correct 1 ms 5468 KB Output is correct
18 Correct 2 ms 5468 KB Output is correct
19 Correct 1 ms 5468 KB Output is correct
20 Correct 1 ms 5468 KB Output is correct
21 Correct 1 ms 5468 KB Output is correct
22 Correct 1 ms 5528 KB Output is correct
23 Correct 1 ms 5468 KB Output is correct
24 Correct 1 ms 5464 KB Output is correct
25 Execution timed out 2013 ms 5936 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #7
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Execution timed out 2083 ms 5468 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Correct 2 ms 5468 KB Output is correct
3 Correct 1 ms 5468 KB Output is correct
4 Correct 1 ms 5468 KB Output is correct
5 Correct 1 ms 5468 KB Output is correct
6 Correct 1 ms 5468 KB Output is correct
7 Correct 1 ms 5468 KB Output is correct
8 Correct 1 ms 5468 KB Output is correct
9 Correct 1 ms 5468 KB Output is correct
10 Correct 1 ms 5468 KB Output is correct
11 Correct 2 ms 5468 KB Output is correct
12 Correct 1 ms 5464 KB Output is correct
13 Correct 1 ms 5468 KB Output is correct
14 Correct 1 ms 5468 KB Output is correct
15 Correct 1 ms 5468 KB Output is correct
16 Correct 1 ms 5468 KB Output is correct
17 Correct 1 ms 5468 KB Output is correct
18 Correct 2 ms 5468 KB Output is correct
19 Correct 1 ms 5468 KB Output is correct
20 Correct 1 ms 5468 KB Output is correct
21 Correct 1 ms 5468 KB Output is correct
22 Correct 1 ms 5528 KB Output is correct
23 Correct 1 ms 5468 KB Output is correct
24 Correct 1 ms 5464 KB Output is correct
25 Execution timed out 2013 ms 5936 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 5468 KB Output is correct
2 Execution timed out 2083 ms 5468 KB Time limit exceeded
3 Halted 0 ms 0 KB -