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Submission #1017785

# Submission time Handle Problem Language Result Execution time Memory
1017785 2024-07-09T10:10:16 Z VMaksimoski008 Village (BOI20_village) C++17
50 / 100
 65 ms 16980 KB 
#include <bits/stdc++.h>

#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;

int n;
vector<int> graph[maxn];
ll mn=0, mx=0;
vector<int> ansMn(maxn), ansMx(maxn), sub(maxn);

void dfs(int u, int p) {
    sub[u] = 1;
    for(int &v : graph[u]) {
        if(v == p) continue;
        dfs(v, u);
        sub[u] += sub[v];
    }

    mx += min(sub[u], n - sub[u]);

    if(u == ansMn[u]) {
        mn += 2;
        if(p) swap(ansMn[u], ansMn[p]);
        else swap(ansMn[u], ansMn[graph[u].back()]);
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0); cin.tie(0);

    cin >> n;
    for(int i=1; i<=n; i++) ansMn[i] = ansMx[i] = i;
    for(int i=0; i<n-1; i++) {
        int a, b;
        cin >> a >> b;
        graph[a].push_back(b);
        graph[b].push_back(a);
    }

    dfs(1, 0);
    cout << mn << " " << 2 * mx << '\n';
    for(int i=1; i<=n; i++) cout << ansMn[i] << " ";
    cout << '\n';
    for(int i=1; i<=n; i++) cout << ansMx[i] << " ";
    return 0;
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 3928 KB Partially correct
2 Partially correct 2 ms 3932 KB Partially correct
3 Partially correct 1 ms 3932 KB Partially correct
4 Partially correct 2 ms 3932 KB Partially correct
5 Partially correct 2 ms 3932 KB Partially correct
6 Partially correct 2 ms 3932 KB Partially correct
7 Partially correct 3 ms 3928 KB Partially correct
8 Partially correct 2 ms 3932 KB Partially correct
9 Partially correct 2 ms 3932 KB Partially correct
10 Partially correct 2 ms 3932 KB Partially correct
11 Partially correct 2 ms 3932 KB Partially correct
12 Partially correct 2 ms 3932 KB Partially correct
13 Partially correct 2 ms 3932 KB Partially correct
14 Partially correct 2 ms 3932 KB Partially correct
15 Partially correct 2 ms 3932 KB Partially correct
16 Partially correct 2 ms 3928 KB Partially correct
17 Partially correct 2 ms 3932 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 3 ms 3932 KB Partially correct
2 Partially correct 2 ms 3932 KB Partially correct
3 Partially correct 2 ms 3932 KB Partially correct
4 Partially correct 2 ms 4188 KB Partially correct
5 Partially correct 2 ms 3932 KB Partially correct
6 Partially correct 3 ms 3932 KB Partially correct
7 Partially correct 2 ms 3928 KB Partially correct
8 Partially correct 3 ms 3996 KB Partially correct
9 Partially correct 2 ms 3932 KB Partially correct
10 Partially correct 3 ms 3932 KB Partially correct
11 Partially correct 2 ms 3932 KB Partially correct
12 Partially correct 3 ms 3928 KB Partially correct
13 Partially correct 3 ms 3928 KB Partially correct
14 Partially correct 3 ms 3932 KB Partially correct
15 Partially correct 3 ms 3932 KB Partially correct
16 Partially correct 2 ms 3960 KB Partially correct
17 Partially correct 2 ms 3928 KB Partially correct
18 Partially correct 2 ms 3932 KB Partially correct
19 Partially correct 2 ms 3996 KB Partially correct
20 Partially correct 2 ms 3932 KB Partially correct
21 Partially correct 2 ms 3932 KB Partially correct
22 Partially correct 3 ms 3932 KB Partially correct
23 Partially correct 2 ms 3932 KB Partially correct
24 Partially correct 2 ms 3932 KB Partially correct
25 Partially correct 2 ms 3932 KB Partially correct
26 Partially correct 2 ms 3928 KB Partially correct
27 Partially correct 2 ms 3932 KB Partially correct
28 Partially correct 3 ms 3932 KB Partially correct
29 Partially correct 2 ms 3932 KB Partially correct
30 Partially correct 2 ms 3932 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 3928 KB Partially correct
2 Partially correct 2 ms 3932 KB Partially correct
3 Partially correct 1 ms 3932 KB Partially correct
4 Partially correct 2 ms 3932 KB Partially correct
5 Partially correct 2 ms 3932 KB Partially correct
6 Partially correct 2 ms 3932 KB Partially correct
7 Partially correct 3 ms 3928 KB Partially correct
8 Partially correct 2 ms 3932 KB Partially correct
9 Partially correct 2 ms 3932 KB Partially correct
10 Partially correct 2 ms 3932 KB Partially correct
11 Partially correct 2 ms 3932 KB Partially correct
12 Partially correct 2 ms 3932 KB Partially correct
13 Partially correct 2 ms 3932 KB Partially correct
14 Partially correct 2 ms 3932 KB Partially correct
15 Partially correct 2 ms 3932 KB Partially correct
16 Partially correct 2 ms 3928 KB Partially correct
17 Partially correct 2 ms 3932 KB Partially correct
18 Partially correct 3 ms 3932 KB Partially correct
19 Partially correct 2 ms 3932 KB Partially correct
20 Partially correct 2 ms 3932 KB Partially correct
21 Partially correct 2 ms 4188 KB Partially correct
22 Partially correct 2 ms 3932 KB Partially correct
23 Partially correct 3 ms 3932 KB Partially correct
24 Partially correct 2 ms 3928 KB Partially correct
25 Partially correct 3 ms 3996 KB Partially correct
26 Partially correct 2 ms 3932 KB Partially correct
27 Partially correct 3 ms 3932 KB Partially correct
28 Partially correct 2 ms 3932 KB Partially correct
29 Partially correct 3 ms 3928 KB Partially correct
30 Partially correct 3 ms 3928 KB Partially correct
31 Partially correct 3 ms 3932 KB Partially correct
32 Partially correct 3 ms 3932 KB Partially correct
33 Partially correct 2 ms 3960 KB Partially correct
34 Partially correct 2 ms 3928 KB Partially correct
35 Partially correct 2 ms 3932 KB Partially correct
36 Partially correct 2 ms 3996 KB Partially correct
37 Partially correct 2 ms 3932 KB Partially correct
38 Partially correct 2 ms 3932 KB Partially correct
39 Partially correct 3 ms 3932 KB Partially correct
40 Partially correct 2 ms 3932 KB Partially correct
41 Partially correct 2 ms 3932 KB Partially correct
42 Partially correct 2 ms 3932 KB Partially correct
43 Partially correct 2 ms 3928 KB Partially correct
44 Partially correct 2 ms 3932 KB Partially correct
45 Partially correct 3 ms 3932 KB Partially correct
46 Partially correct 2 ms 3932 KB Partially correct
47 Partially correct 2 ms 3932 KB Partially correct
48 Partially correct 31 ms 9040 KB Partially correct
49 Partially correct 34 ms 9552 KB Partially correct
50 Partially correct 33 ms 9552 KB Partially correct
51 Partially correct 26 ms 8272 KB Partially correct
52 Partially correct 41 ms 9296 KB Partially correct
53 Partially correct 39 ms 8952 KB Partially correct
54 Partially correct 31 ms 10064 KB Partially correct
55 Partially correct 43 ms 16980 KB Partially correct
56 Partially correct 65 ms 12880 KB Partially correct
57 Partially correct 35 ms 11684 KB Partially correct
58 Partially correct 36 ms 10576 KB Partially correct
59 Partially correct 33 ms 9500 KB Partially correct
60 Partially correct 36 ms 9672 KB Partially correct
61 Partially correct 29 ms 9820 KB Partially correct
62 Partially correct 59 ms 9772 KB Partially correct
63 Partially correct 33 ms 9552 KB Partially correct
64 Partially correct 33 ms 9812 KB Partially correct
65 Partially correct 30 ms 9812 KB Partially correct
66 Partially correct 36 ms 9556 KB Partially correct
67 Partially correct 24 ms 8536 KB Partially correct
68 Partially correct 26 ms 9052 KB Partially correct
69 Partially correct 35 ms 9812 KB Partially correct
70 Partially correct 28 ms 9552 KB Partially correct
71 Partially correct 32 ms 8020 KB Partially correct
72 Partially correct 24 ms 8540 KB Partially correct
73 Partially correct 31 ms 9856 KB Partially correct
74 Partially correct 32 ms 9308 KB Partially correct
75 Partially correct 38 ms 9296 KB Partially correct
76 Partially correct 41 ms 9228 KB Partially correct
77 Partially correct 30 ms 9680 KB Partially correct
78 Partially correct 22 ms 7760 KB Partially correct
79 Partially correct 42 ms 8228 KB Partially correct
80 Partially correct 57 ms 9296 KB Partially correct
81 Partially correct 30 ms 9640 KB Partially correct
82 Partially correct 31 ms 9612 KB Partially correct