oj.uz

Submission #1039058

# Submission time Handle Problem Language Result Execution time Memory
1039058 2024-07-30T11:56:14 Z fv3 Beech Tree (IOI23_beechtree) C++17
8 / 100
 86 ms 44372 KB 
#include <bits/stdc++.h>
#include "beechtree.h"
 
using namespace std;
vector<int> b;
vector<int> leafDist;
vector<set<int>> vs;
vector<vector<int>> adj;
 
void DFS(int index, vector<int>&C)
{
    b[index] = 1;
    if (adj[index].size() == 0)
        return;
 
    for (auto node : adj[index])
    {
        DFS(node, C);
        leafDist[index] = max(leafDist[index], leafDist[node] + 1);
    }
 
    if (leafDist[index] == 1)
    {
        for (auto node : adj[index])
        {
            if (vs[index].count(C[node]))
                b[index] = 0;
            vs[index].insert(C[node]);
        }
    }
    else
        b[index] = 0;
}
 
vector<int> beechtree(int N, int M, vector<int> P, vector<int> C)
{
    leafDist = b = vector<int>(N);
    vs = vector<set<int>>(N);
    adj = vector<vector<int>>(N);
 
    for (int i = 1; i < N; i++)
        adj[P[i]].push_back(i);
 
    DFS(0, C);
    for (int i = 0; i < N; i++)
    {
        if (leafDist[i] != 2) continue;
        int index = -1;
        for (auto node : adj[i])
        {
            if (leafDist[node] == 1)
            {
                if (index != -1)
                {
                    index = -1;
                    break;
                }
                else
                {
                    index = node;
                }
            }
        }
        if (index == -1) continue;
 
        b[i] = 1;
        set<int> s;
        for (auto node : adj[i])
        {
            if (s.count(C[node]))
            {
                b[i] = 0;
                break;
            }
            s.insert(C[node]);
        }
 
        for (auto n : vs[index])
        {
            if (!s.count(n))
            {
                b[i] = 0;
                break;
            }
        }
    }
 
    return b;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 0 ms 348 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #1
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Incorrect 0 ms 352 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
4 Halted 0 ms 0 KB -

Subtask #2
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Incorrect 0 ms 352 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
4 Halted 0 ms 0 KB -

Subtask #3
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 432 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 436 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 436 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Incorrect 1 ms 348 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
10 Halted 0 ms 0 KB -

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 71 ms 44372 KB Output is correct
6 Correct 63 ms 44368 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 65 ms 28712 KB Output is correct
12 Correct 86 ms 24524 KB Output is correct

Subtask #5
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 0 ms 348 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #6
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
17 Halted 0 ms 0 KB -

Subtask #7
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 0 ms 348 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
17 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 0 ms 348 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -