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Submission #1017788

# Submission time Handle Problem Language Result Execution time Memory
1017788 2024-07-09T10:12:35 Z VMaksimoski008 Village (BOI20_village) C++17
100 / 100
 46 ms 15564 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), euler;

void dfs(int u, int p) {
    sub[u] = 1;
    euler.push_back(u);
    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=0; i<n; i++) ansMx[euler[i]] = euler[(i+n/2)%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
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3928 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3932 KB Output is correct
4 Correct 1 ms 3928 KB Output is correct
5 Correct 1 ms 3928 KB Output is correct
6 Correct 1 ms 3932 KB Output is correct
7 Correct 1 ms 3932 KB Output is correct
8 Correct 2 ms 3932 KB Output is correct
9 Correct 1 ms 3936 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3928 KB Output is correct
12 Correct 1 ms 3932 KB Output is correct
13 Correct 1 ms 3944 KB Output is correct
14 Correct 1 ms 3932 KB Output is correct
15 Correct 1 ms 3932 KB Output is correct
16 Correct 1 ms 3932 KB Output is correct
17 Correct 1 ms 3928 KB Output is correct

Subtask #2
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3932 KB Output is correct
2 Correct 2 ms 3932 KB Output is correct
3 Correct 1 ms 3940 KB Output is correct
4 Correct 2 ms 3932 KB Output is correct
5 Correct 1 ms 3932 KB Output is correct
6 Correct 1 ms 3932 KB Output is correct
7 Correct 1 ms 3932 KB Output is correct
8 Correct 1 ms 3932 KB Output is correct
9 Correct 2 ms 3932 KB Output is correct
10 Correct 2 ms 3932 KB Output is correct
11 Correct 1 ms 3808 KB Output is correct
12 Correct 1 ms 3932 KB Output is correct
13 Correct 2 ms 4188 KB Output is correct
14 Correct 1 ms 3932 KB Output is correct
15 Correct 1 ms 3932 KB Output is correct
16 Correct 1 ms 3932 KB Output is correct
17 Correct 1 ms 3932 KB Output is correct
18 Correct 1 ms 3932 KB Output is correct
19 Correct 1 ms 3932 KB Output is correct
20 Correct 2 ms 3932 KB Output is correct
21 Correct 2 ms 4188 KB Output is correct
22 Correct 2 ms 3928 KB Output is correct
23 Correct 2 ms 3932 KB Output is correct
24 Correct 1 ms 3932 KB Output is correct
25 Correct 1 ms 3932 KB Output is correct
26 Correct 1 ms 3932 KB Output is correct
27 Correct 1 ms 3932 KB Output is correct
28 Correct 2 ms 3932 KB Output is correct
29 Correct 1 ms 3928 KB Output is correct
30 Correct 2 ms 3928 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3928 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3932 KB Output is correct
4 Correct 1 ms 3928 KB Output is correct
5 Correct 1 ms 3928 KB Output is correct
6 Correct 1 ms 3932 KB Output is correct
7 Correct 1 ms 3932 KB Output is correct
8 Correct 2 ms 3932 KB Output is correct
9 Correct 1 ms 3936 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3928 KB Output is correct
12 Correct 1 ms 3932 KB Output is correct
13 Correct 1 ms 3944 KB Output is correct
14 Correct 1 ms 3932 KB Output is correct
15 Correct 1 ms 3932 KB Output is correct
16 Correct 1 ms 3932 KB Output is correct
17 Correct 1 ms 3928 KB Output is correct
18 Correct 1 ms 3932 KB Output is correct
19 Correct 2 ms 3932 KB Output is correct
20 Correct 1 ms 3940 KB Output is correct
21 Correct 2 ms 3932 KB Output is correct
22 Correct 1 ms 3932 KB Output is correct
23 Correct 1 ms 3932 KB Output is correct
24 Correct 1 ms 3932 KB Output is correct
25 Correct 1 ms 3932 KB Output is correct
26 Correct 2 ms 3932 KB Output is correct
27 Correct 2 ms 3932 KB Output is correct
28 Correct 1 ms 3808 KB Output is correct
29 Correct 1 ms 3932 KB Output is correct
30 Correct 2 ms 4188 KB Output is correct
31 Correct 1 ms 3932 KB Output is correct
32 Correct 1 ms 3932 KB Output is correct
33 Correct 1 ms 3932 KB Output is correct
34 Correct 1 ms 3932 KB Output is correct
35 Correct 1 ms 3932 KB Output is correct
36 Correct 1 ms 3932 KB Output is correct
37 Correct 2 ms 3932 KB Output is correct
38 Correct 2 ms 4188 KB Output is correct
39 Correct 2 ms 3928 KB Output is correct
40 Correct 2 ms 3932 KB Output is correct
41 Correct 1 ms 3932 KB Output is correct
42 Correct 1 ms 3932 KB Output is correct
43 Correct 1 ms 3932 KB Output is correct
44 Correct 1 ms 3932 KB Output is correct
45 Correct 2 ms 3932 KB Output is correct
46 Correct 1 ms 3928 KB Output is correct
47 Correct 2 ms 3928 KB Output is correct
48 Correct 35 ms 9176 KB Output is correct
49 Correct 36 ms 9680 KB Output is correct
50 Correct 33 ms 9504 KB Output is correct
51 Correct 26 ms 8660 KB Output is correct
52 Correct 33 ms 9420 KB Output is correct
53 Correct 30 ms 9168 KB Output is correct
54 Correct 19 ms 9684 KB Output is correct
55 Correct 37 ms 15564 KB Output is correct
56 Correct 36 ms 12232 KB Output is correct
57 Correct 39 ms 11724 KB Output is correct
58 Correct 34 ms 10904 KB Output is correct
59 Correct 36 ms 9936 KB Output is correct
60 Correct 29 ms 10068 KB Output is correct
61 Correct 31 ms 10316 KB Output is correct
62 Correct 35 ms 10404 KB Output is correct
63 Correct 30 ms 9952 KB Output is correct
64 Correct 31 ms 10196 KB Output is correct
65 Correct 34 ms 10464 KB Output is correct
66 Correct 30 ms 10116 KB Output is correct
67 Correct 28 ms 8704 KB Output is correct
68 Correct 27 ms 9416 KB Output is correct
69 Correct 29 ms 10488 KB Output is correct
70 Correct 27 ms 9924 KB Output is correct
71 Correct 21 ms 8392 KB Output is correct
72 Correct 24 ms 8912 KB Output is correct
73 Correct 30 ms 10440 KB Output is correct
74 Correct 27 ms 9940 KB Output is correct
75 Correct 46 ms 9776 KB Output is correct
76 Correct 32 ms 9828 KB Output is correct
77 Correct 30 ms 10188 KB Output is correct
78 Correct 23 ms 8148 KB Output is correct
79 Correct 26 ms 8648 KB Output is correct
80 Correct 37 ms 9724 KB Output is correct
81 Correct 32 ms 10204 KB Output is correct
82 Correct 32 ms 10272 KB Output is correct