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Submission #573892

# Submission time Handle Problem Language Result Execution time Memory
573892 2022-06-07T11:33:45 Z tengiz05 Village (BOI20_village) C++17
50 / 100
 75 ms 20180 KB 
#include <bits/stdc++.h>

using i64 = long long;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int n;
    std::cin >> n;
    
    std::vector<std::vector<int>> adj(n);
    for (int i = 0; i < n - 1; i++) {
        int u, v;
        std::cin >> u >> v;
        u--;
        v--;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    
    int mn = 0;
    
    std::vector<int> w(n, -1);
    
    std::function<void(int, int)> dfs = [&](int u, int p) {
        std::vector<int> a;
        int x = -1;
        for (int v : adj[u]) {
            if (v == p)
                continue;
            dfs(v, u);
            if (w[v] == -1) {
                a.push_back(v);
            }
            x = v;
        }
        int m = a.size();
        if (m % 2 == 1) {
            for (int i = 0; i < m - 2; i += 2) {
                mn += 4;
                w[a[i]] = a[i + 1];
                w[a[i + 1]] = a[i];
            }
            mn += 2;
            w[u] = a[m - 1];
            w[a[m - 1]] = u;
        } else {
            for (int i = 0; i < m; i += 2) {
                mn += 4;
                w[a[i]] = a[i + 1];
                w[a[i + 1]] = a[i];
            }
            if (m >= 2) {
                w[u] = a[0];
                w[a[0]] = a[1];
                w[a[1]] = u;
            } else if (p == -1) {
                mn += 2;
                w[u] = w[x];
                w[x] = u;
            }
        }
    };
    
    dfs(0, -1);
    
    std::cout << mn << " " << 0 << "\n";
    
    for (int i = 0; i < n; i++) {
        std::cout << w[i] + 1 << " \n"[i == n - 1];
    }
    
    for (int i = 0; i < n; i++) {
        std::cout << 1 << " \n"[i == n - 1];
    }
    
    return 0;
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 212 KB Partially correct
2 Partially correct 1 ms 212 KB Partially correct
3 Partially correct 1 ms 212 KB Partially correct
4 Partially correct 0 ms 212 KB Partially correct
5 Partially correct 0 ms 212 KB Partially correct
6 Partially correct 0 ms 212 KB Partially correct
7 Partially correct 1 ms 320 KB Partially correct
8 Partially correct 1 ms 320 KB Partially correct
9 Partially correct 1 ms 216 KB Partially correct
10 Partially correct 0 ms 320 KB Partially correct
11 Partially correct 1 ms 212 KB Partially correct
12 Partially correct 1 ms 324 KB Partially correct
13 Partially correct 1 ms 212 KB Partially correct
14 Partially correct 1 ms 276 KB Partially correct
15 Partially correct 0 ms 212 KB Partially correct
16 Partially correct 0 ms 320 KB Partially correct
17 Partially correct 1 ms 212 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 212 KB Partially correct
2 Partially correct 1 ms 320 KB Partially correct
3 Partially correct 1 ms 340 KB Partially correct
4 Partially correct 1 ms 340 KB Partially correct
5 Partially correct 1 ms 324 KB Partially correct
6 Partially correct 1 ms 340 KB Partially correct
7 Partially correct 1 ms 448 KB Partially correct
8 Partially correct 1 ms 340 KB Partially correct
9 Partially correct 1 ms 340 KB Partially correct
10 Partially correct 1 ms 340 KB Partially correct
11 Partially correct 2 ms 340 KB Partially correct
12 Partially correct 1 ms 340 KB Partially correct
13 Partially correct 1 ms 340 KB Partially correct
14 Partially correct 1 ms 328 KB Partially correct
15 Partially correct 1 ms 340 KB Partially correct
16 Partially correct 1 ms 340 KB Partially correct
17 Partially correct 1 ms 340 KB Partially correct
18 Partially correct 1 ms 340 KB Partially correct
19 Partially correct 1 ms 340 KB Partially correct
20 Partially correct 1 ms 340 KB Partially correct
21 Partially correct 1 ms 340 KB Partially correct
22 Partially correct 1 ms 340 KB Partially correct
23 Partially correct 1 ms 340 KB Partially correct
24 Partially correct 1 ms 340 KB Partially correct
25 Partially correct 1 ms 340 KB Partially correct
26 Partially correct 1 ms 340 KB Partially correct
27 Partially correct 1 ms 316 KB Partially correct
28 Partially correct 1 ms 340 KB Partially correct
29 Partially correct 1 ms 340 KB Partially correct
30 Partially correct 1 ms 340 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 212 KB Partially correct
2 Partially correct 1 ms 212 KB Partially correct
3 Partially correct 1 ms 212 KB Partially correct
4 Partially correct 0 ms 212 KB Partially correct
5 Partially correct 0 ms 212 KB Partially correct
6 Partially correct 0 ms 212 KB Partially correct
7 Partially correct 1 ms 320 KB Partially correct
8 Partially correct 1 ms 320 KB Partially correct
9 Partially correct 1 ms 216 KB Partially correct
10 Partially correct 0 ms 320 KB Partially correct
11 Partially correct 1 ms 212 KB Partially correct
12 Partially correct 1 ms 324 KB Partially correct
13 Partially correct 1 ms 212 KB Partially correct
14 Partially correct 1 ms 276 KB Partially correct
15 Partially correct 0 ms 212 KB Partially correct
16 Partially correct 0 ms 320 KB Partially correct
17 Partially correct 1 ms 212 KB Partially correct
18 Partially correct 1 ms 212 KB Partially correct
19 Partially correct 1 ms 320 KB Partially correct
20 Partially correct 1 ms 340 KB Partially correct
21 Partially correct 1 ms 340 KB Partially correct
22 Partially correct 1 ms 324 KB Partially correct
23 Partially correct 1 ms 340 KB Partially correct
24 Partially correct 1 ms 448 KB Partially correct
25 Partially correct 1 ms 340 KB Partially correct
26 Partially correct 1 ms 340 KB Partially correct
27 Partially correct 1 ms 340 KB Partially correct
28 Partially correct 2 ms 340 KB Partially correct
29 Partially correct 1 ms 340 KB Partially correct
30 Partially correct 1 ms 340 KB Partially correct
31 Partially correct 1 ms 328 KB Partially correct
32 Partially correct 1 ms 340 KB Partially correct
33 Partially correct 1 ms 340 KB Partially correct
34 Partially correct 1 ms 340 KB Partially correct
35 Partially correct 1 ms 340 KB Partially correct
36 Partially correct 1 ms 340 KB Partially correct
37 Partially correct 1 ms 340 KB Partially correct
38 Partially correct 1 ms 340 KB Partially correct
39 Partially correct 1 ms 340 KB Partially correct
40 Partially correct 1 ms 340 KB Partially correct
41 Partially correct 1 ms 340 KB Partially correct
42 Partially correct 1 ms 340 KB Partially correct
43 Partially correct 1 ms 340 KB Partially correct
44 Partially correct 1 ms 316 KB Partially correct
45 Partially correct 1 ms 340 KB Partially correct
46 Partially correct 1 ms 340 KB Partially correct
47 Partially correct 1 ms 340 KB Partially correct
48 Partially correct 51 ms 7520 KB Partially correct
49 Partially correct 52 ms 8268 KB Partially correct
50 Partially correct 50 ms 8260 KB Partially correct
51 Partially correct 47 ms 6408 KB Partially correct
52 Partially correct 56 ms 8100 KB Partially correct
53 Partially correct 45 ms 7364 KB Partially correct
54 Partially correct 28 ms 9804 KB Partially correct
55 Partially correct 64 ms 20180 KB Partially correct
56 Partially correct 75 ms 14028 KB Partially correct
57 Partially correct 60 ms 12052 KB Partially correct
58 Partially correct 72 ms 10292 KB Partially correct
59 Partially correct 51 ms 8304 KB Partially correct
60 Partially correct 41 ms 8512 KB Partially correct
61 Partially correct 46 ms 8704 KB Partially correct
62 Partially correct 49 ms 8744 KB Partially correct
63 Partially correct 41 ms 8120 KB Partially correct
64 Partially correct 71 ms 8532 KB Partially correct
65 Partially correct 46 ms 8780 KB Partially correct
66 Partially correct 49 ms 8140 KB Partially correct
67 Partially correct 32 ms 6524 KB Partially correct
68 Partially correct 36 ms 7372 KB Partially correct
69 Partially correct 41 ms 8640 KB Partially correct
70 Partially correct 42 ms 8140 KB Partially correct
71 Partially correct 61 ms 6044 KB Partially correct
72 Partially correct 33 ms 6928 KB Partially correct
73 Partially correct 41 ms 8720 KB Partially correct
74 Partially correct 41 ms 7960 KB Partially correct
75 Partially correct 49 ms 8124 KB Partially correct
76 Partially correct 50 ms 8128 KB Partially correct
77 Partially correct 44 ms 8172 KB Partially correct
78 Partially correct 33 ms 5560 KB Partially correct
79 Partially correct 35 ms 6476 KB Partially correct
80 Partially correct 49 ms 8048 KB Partially correct
81 Partially correct 46 ms 8264 KB Partially correct
82 Partially correct 59 ms 8436 KB Partially correct