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Submission #1099312

# Submission time Handle Problem Language Result Execution time Memory
1099312 2024-10-11T07:14:18 Z MateiKing80 Village (BOI20_village) C++14
100 / 100
 43 ms 25544 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ll long long
#define ar array
#define ld long double

const int N = 3e5 + 20;
const int K = 200;
const int INF = 1e15;
const int LOG = 24;
const int MOD = 998244353;

vector<int> g[N], ord;
int n, posLo[N], posHi[N], ansLo, ansHi, sz[N];

void dfs(int x,int p)
{
    sz[x] = 1;
    ord.push_back(x);
    for(auto u: g[x])
    {
        if(u == p)
            continue;
        dfs(u, x);
        sz[x] += sz[u];
        ansHi += min(sz[u], n - sz[u]);
    }
    if(posLo[x] == x)
    {
        if(p == -1)
            swap(posLo[x], posLo[g[x][0]]);
        else
            swap(posLo[x], posLo[p]);
        ansLo += 2;
    }

}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for(int i = 1; i < n; i++)
    {
        int u, v;
        cin>>u>>v;
        --u, --v;
        g[u].push_back(v);
        g[v].push_back(u);
    }

    for(int i = 0; i < n; i ++)
        posLo[i] = i;
    dfs(0, -1);
    ansHi *= 2;
    for(int i = 0; i < n; i++)
    {
        int u = ord[i];
        int v = ord[(i + n / 2) % n];
        posHi[u] = v;
    }
    cout << ansLo << " " << ansHi << '\n';
    for(int i = 0; i < n; i ++)
        cout << posLo[i] + 1 << " ";
    cout << '\n';
    for(int i = 0; i < n; i ++)
        cout << posHi[i] + 1 << " ";
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10072 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 2 ms 10076 KB Output is correct
4 Correct 2 ms 10076 KB Output is correct
5 Correct 2 ms 10264 KB Output is correct
6 Correct 2 ms 10076 KB Output is correct
7 Correct 2 ms 10076 KB Output is correct
8 Correct 2 ms 10072 KB Output is correct
9 Correct 3 ms 8028 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 3 ms 10172 KB Output is correct
12 Correct 2 ms 10076 KB Output is correct
13 Correct 2 ms 10076 KB Output is correct
14 Correct 3 ms 10256 KB Output is correct
15 Correct 2 ms 10076 KB Output is correct
16 Correct 2 ms 10076 KB Output is correct
17 Correct 3 ms 8216 KB Output is correct

Subtask #2
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10076 KB Output is correct
2 Correct 2 ms 10076 KB Output is correct
3 Correct 2 ms 10072 KB Output is correct
4 Correct 4 ms 8284 KB Output is correct
5 Correct 3 ms 10332 KB Output is correct
6 Correct 3 ms 8284 KB Output is correct
7 Correct 4 ms 8284 KB Output is correct
8 Correct 4 ms 8284 KB Output is correct
9 Correct 3 ms 8284 KB Output is correct
10 Correct 3 ms 8284 KB Output is correct
11 Correct 3 ms 10332 KB Output is correct
12 Correct 2 ms 10332 KB Output is correct
13 Correct 3 ms 10328 KB Output is correct
14 Correct 4 ms 8284 KB Output is correct
15 Correct 3 ms 8284 KB Output is correct
16 Correct 2 ms 10332 KB Output is correct
17 Correct 3 ms 8284 KB Output is correct
18 Correct 3 ms 8212 KB Output is correct
19 Correct 3 ms 10328 KB Output is correct
20 Correct 3 ms 10332 KB Output is correct
21 Correct 3 ms 10332 KB Output is correct
22 Correct 2 ms 10332 KB Output is correct
23 Correct 3 ms 8284 KB Output is correct
24 Correct 4 ms 8284 KB Output is correct
25 Correct 3 ms 8028 KB Output is correct
26 Correct 3 ms 8284 KB Output is correct
27 Correct 2 ms 10076 KB Output is correct
28 Correct 2 ms 10332 KB Output is correct
29 Correct 3 ms 10332 KB Output is correct
30 Correct 2 ms 10332 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10072 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 2 ms 10076 KB Output is correct
4 Correct 2 ms 10076 KB Output is correct
5 Correct 2 ms 10264 KB Output is correct
6 Correct 2 ms 10076 KB Output is correct
7 Correct 2 ms 10076 KB Output is correct
8 Correct 2 ms 10072 KB Output is correct
9 Correct 3 ms 8028 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 3 ms 10172 KB Output is correct
12 Correct 2 ms 10076 KB Output is correct
13 Correct 2 ms 10076 KB Output is correct
14 Correct 3 ms 10256 KB Output is correct
15 Correct 2 ms 10076 KB Output is correct
16 Correct 2 ms 10076 KB Output is correct
17 Correct 3 ms 8216 KB Output is correct
18 Correct 2 ms 10076 KB Output is correct
19 Correct 2 ms 10076 KB Output is correct
20 Correct 2 ms 10072 KB Output is correct
21 Correct 4 ms 8284 KB Output is correct
22 Correct 3 ms 10332 KB Output is correct
23 Correct 3 ms 8284 KB Output is correct
24 Correct 4 ms 8284 KB Output is correct
25 Correct 4 ms 8284 KB Output is correct
26 Correct 3 ms 8284 KB Output is correct
27 Correct 3 ms 8284 KB Output is correct
28 Correct 3 ms 10332 KB Output is correct
29 Correct 2 ms 10332 KB Output is correct
30 Correct 3 ms 10328 KB Output is correct
31 Correct 4 ms 8284 KB Output is correct
32 Correct 3 ms 8284 KB Output is correct
33 Correct 2 ms 10332 KB Output is correct
34 Correct 3 ms 8284 KB Output is correct
35 Correct 3 ms 8212 KB Output is correct
36 Correct 3 ms 10328 KB Output is correct
37 Correct 3 ms 10332 KB Output is correct
38 Correct 3 ms 10332 KB Output is correct
39 Correct 2 ms 10332 KB Output is correct
40 Correct 3 ms 8284 KB Output is correct
41 Correct 4 ms 8284 KB Output is correct
42 Correct 3 ms 8028 KB Output is correct
43 Correct 3 ms 8284 KB Output is correct
44 Correct 2 ms 10076 KB Output is correct
45 Correct 2 ms 10332 KB Output is correct
46 Correct 3 ms 10332 KB Output is correct
47 Correct 2 ms 10332 KB Output is correct
48 Correct 34 ms 17916 KB Output is correct
49 Correct 37 ms 18628 KB Output is correct
50 Correct 38 ms 18664 KB Output is correct
51 Correct 34 ms 16952 KB Output is correct
52 Correct 37 ms 18628 KB Output is correct
53 Correct 34 ms 17864 KB Output is correct
54 Correct 22 ms 17624 KB Output is correct
55 Correct 43 ms 25544 KB Output is correct
56 Correct 43 ms 22212 KB Output is correct
57 Correct 38 ms 20940 KB Output is correct
58 Correct 40 ms 19916 KB Output is correct
59 Correct 36 ms 18888 KB Output is correct
60 Correct 31 ms 18760 KB Output is correct
61 Correct 34 ms 18876 KB Output is correct
62 Correct 37 ms 19152 KB Output is correct
63 Correct 31 ms 18632 KB Output is correct
64 Correct 36 ms 19144 KB Output is correct
65 Correct 34 ms 19132 KB Output is correct
66 Correct 31 ms 18632 KB Output is correct
67 Correct 25 ms 16848 KB Output is correct
68 Correct 31 ms 17860 KB Output is correct
69 Correct 36 ms 19408 KB Output is correct
70 Correct 29 ms 18720 KB Output is correct
71 Correct 25 ms 16584 KB Output is correct
72 Correct 26 ms 17360 KB Output is correct
73 Correct 34 ms 19408 KB Output is correct
74 Correct 28 ms 18372 KB Output is correct
75 Correct 38 ms 19148 KB Output is correct
76 Correct 35 ms 18500 KB Output is correct
77 Correct 36 ms 19092 KB Output is correct
78 Correct 23 ms 16080 KB Output is correct
79 Correct 27 ms 16840 KB Output is correct
80 Correct 38 ms 19152 KB Output is correct
81 Correct 33 ms 19148 KB Output is correct
82 Correct 32 ms 18888 KB Output is correct