Submission #656304

# Submission time Handle Problem Language Result Execution time Memory
656304 2022-11-06T21:36:33 Z esomer Village (BOI20_village) C++17
50 / 100
76 ms 20172 KB
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define endl "\n"

const int MOD = 998244353;

vector<int> v;
int ans = 0;

bool DFS(int x, vector<vector<int>>& adj, int p){
    vector<int> odd;
    for(int node : adj[x]){
        if(node == p) continue;
        bool rep = DFS(node, adj, x);
        if(rep) odd.push_back(node);
    }
    if(odd.size() == 0){
        if(x == 0){
            int node = adj[x][0];
            if(v[v[node]] == node){
                v[x] = v[node];
                v[node] = x;
                ans += 2;
            }else{
                int node1 = v[node];
                int node2 = v[v[node]];
                v[node1] = node2;
                v[node2] = node1;
                v[x] = node;
                v[node] = x;
                ans += 2;
            }
        }else return 1;
    }else{
        if(((int)odd.size()) % 2 == 1){
            for(int i = 1; i < (int)odd.size() - 1; i += 2){
                v[odd[i]] = odd[i + 1];
                v[odd[i + 1]] = odd[i];
                ans += 4;
            }
            v[x] = odd[0];
            v[odd[0]] = x;
            ans += 2;
        }else{
            for(int i = 2; i < (int)odd.size() - 1; i += 2){
                v[odd[i]] = odd[i + 1];
                v[odd[i + 1]] = odd[i];
                ans += 4;
            }
            v[x] = odd[0];
            v[odd[0]] = odd[1];
            v[odd[1]] = x;
            ans += 4;
        }
    }
    return 0;
}

void solve(){
    int n; cin >> n;
    v.resize(n);
    vector<vector<int>> adj(n);
    for(int i = 0; i < n - 1; i++){
        int a, b; cin >> a >> b; a--; b--;
        adj[a].push_back(b); adj[b].push_back(a);
    }
    DFS(0, adj, -1);
    cout << ans << " "<<-1 << endl;
    for(int x : v) cout << x + 1 << " ";
    cout << endl;
    for(int i = 0; i < n; i++) cout << 1 << " ";
    cout << endl;
}

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

    //freopen("inpt.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);

    //int tt; cin >> tt;
    int tt = 1;
    for(int t = 1; t <= tt; t++){
        //cout << "Case #"<<t << ": ";
        solve();
    }
}
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 212 KB Partially correct
2 Partially correct 0 ms 212 KB Partially correct
3 Partially correct 0 ms 212 KB Partially correct
4 Partially correct 0 ms 212 KB Partially correct
5 Partially correct 1 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 212 KB Partially correct
9 Partially correct 1 ms 212 KB Partially correct
10 Partially correct 1 ms 212 KB Partially correct
11 Partially correct 1 ms 212 KB Partially correct
12 Partially correct 0 ms 212 KB Partially correct
13 Partially correct 0 ms 320 KB Partially correct
14 Partially correct 0 ms 320 KB Partially correct
15 Partially correct 1 ms 212 KB Partially correct
16 Partially correct 1 ms 212 KB Partially correct
17 Partially correct 1 ms 212 KB Partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 340 KB Partially correct
2 Partially correct 1 ms 340 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 340 KB Partially correct
6 Partially correct 1 ms 324 KB Partially correct
7 Partially correct 1 ms 468 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 324 KB Partially correct
11 Partially correct 1 ms 324 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 340 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 324 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 320 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 324 KB Partially correct
30 Partially correct 1 ms 340 KB Partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 212 KB Partially correct
2 Partially correct 0 ms 212 KB Partially correct
3 Partially correct 0 ms 212 KB Partially correct
4 Partially correct 0 ms 212 KB Partially correct
5 Partially correct 1 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 212 KB Partially correct
9 Partially correct 1 ms 212 KB Partially correct
10 Partially correct 1 ms 212 KB Partially correct
11 Partially correct 1 ms 212 KB Partially correct
12 Partially correct 0 ms 212 KB Partially correct
13 Partially correct 0 ms 320 KB Partially correct
14 Partially correct 0 ms 320 KB Partially correct
15 Partially correct 1 ms 212 KB Partially correct
16 Partially correct 1 ms 212 KB Partially correct
17 Partially correct 1 ms 212 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 324 KB Partially correct
24 Partially correct 1 ms 468 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 324 KB Partially correct
28 Partially correct 1 ms 324 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 340 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 324 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 320 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 324 KB Partially correct
47 Partially correct 1 ms 340 KB Partially correct
48 Partially correct 52 ms 7472 KB Partially correct
49 Partially correct 60 ms 8236 KB Partially correct
50 Partially correct 50 ms 8176 KB Partially correct
51 Partially correct 48 ms 6432 KB Partially correct
52 Partially correct 61 ms 8140 KB Partially correct
53 Partially correct 50 ms 7372 KB Partially correct
54 Partially correct 29 ms 9796 KB Partially correct
55 Partially correct 61 ms 20172 KB Partially correct
56 Partially correct 76 ms 14076 KB Partially correct
57 Partially correct 55 ms 12104 KB Partially correct
58 Partially correct 53 ms 10268 KB Partially correct
59 Partially correct 55 ms 8380 KB Partially correct
60 Partially correct 40 ms 8512 KB Partially correct
61 Partially correct 42 ms 8724 KB Partially correct
62 Partially correct 47 ms 8672 KB Partially correct
63 Partially correct 49 ms 8168 KB Partially correct
64 Partially correct 47 ms 8492 KB Partially correct
65 Partially correct 53 ms 8652 KB Partially correct
66 Partially correct 40 ms 8172 KB Partially correct
67 Partially correct 32 ms 6536 KB Partially correct
68 Partially correct 47 ms 7384 KB Partially correct
69 Partially correct 44 ms 8676 KB Partially correct
70 Partially correct 45 ms 8140 KB Partially correct
71 Partially correct 29 ms 6164 KB Partially correct
72 Partially correct 33 ms 6852 KB Partially correct
73 Partially correct 45 ms 8632 KB Partially correct
74 Partially correct 43 ms 7920 KB Partially correct
75 Partially correct 50 ms 8012 KB Partially correct
76 Partially correct 51 ms 8128 KB Partially correct
77 Partially correct 57 ms 8188 KB Partially correct
78 Partially correct 30 ms 5588 KB Partially correct
79 Partially correct 40 ms 6476 KB Partially correct
80 Partially correct 52 ms 8044 KB Partially correct
81 Partially correct 51 ms 8384 KB Partially correct
82 Partially correct 49 ms 8416 KB Partially correct