oj.uz

Submission #936317

# Submission time Handle Problem Language Result Execution time Memory
936317 2024-03-01T15:05:45 Z Darren0724 Village (BOI20_village) C++17
100 / 100
 74 ms 22256 KB 
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define int long long
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e18;
int n,mn=0,mx=0,total=0;
vector<int> adj[N],v(N),v1(N),sz(N,1);
vector<int> rec;
void dfs(int k,int pa){
    for(int j:adj[k]){
        if(j==pa)continue;
        dfs(j,k);
        if(v[j]==j){
            swap(v[j],v[k]);
            mn+=2;
        }
        sz[k]+=sz[j];
    }
}
int cen(int k,int pa){
    for(int j:adj[k]){
        if(j==pa)continue;
        if(sz[j]>n/2){
            return cen(j,k);
        }
    }
    return k;
}
void dfs1(int k,int pa,int deep){
    total+=deep*2;
    rec.push_back(k);
    for(int j:adj[k]){
        if(j==pa)continue;
        dfs1(j,k,deep+1);
    }
}
int32_t main() {
    LCBorz;
    cin>>n;
    for(int i=1;i<n;i++){
        int a,b;cin>>a>>b;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    iota(all(v),0);
    dfs(1,1);
    if(v[1]==1){
        swap(v[1],v[adj[1][0]]);
        mn+=2;
    }
    int c=cen(1,1);
    dfs1(c,c,0);
    mx=total;
    for(int i=0;i<n;i++){
        v1[rec[(i+n/2)%n]]=rec[i];
    }
    cout<<mn<<' '<<mx<<endl;
    for(int i=1;i<=n;i++){
        cout<<v[i]<<' ';
    }
    cout<<endl;
    for(int i=1;i<=n;i++){
        cout<<v1[i]<<' ';
    }
    cout<<endl;
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 4 ms 9820 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 4 ms 9816 KB Output is correct
6 Correct 4 ms 9820 KB Output is correct
7 Correct 4 ms 9820 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 3 ms 9820 KB Output is correct
10 Correct 4 ms 9820 KB Output is correct
11 Correct 4 ms 9820 KB Output is correct
12 Correct 3 ms 9816 KB Output is correct
13 Correct 4 ms 9820 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 5 ms 10076 KB Output is correct
17 Correct 4 ms 9820 KB Output is correct

Subtask #2
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 4 ms 9816 KB Output is correct
3 Correct 4 ms 9816 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 4 ms 9820 KB Output is correct
6 Correct 4 ms 9820 KB Output is correct
7 Correct 4 ms 9816 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 4 ms 9820 KB Output is correct
10 Correct 4 ms 9896 KB Output is correct
11 Correct 4 ms 9820 KB Output is correct
12 Correct 4 ms 9820 KB Output is correct
13 Correct 5 ms 9820 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 5 ms 9816 KB Output is correct
16 Correct 4 ms 9820 KB Output is correct
17 Correct 4 ms 9820 KB Output is correct
18 Correct 4 ms 9816 KB Output is correct
19 Correct 4 ms 9820 KB Output is correct
20 Correct 4 ms 9820 KB Output is correct
21 Correct 4 ms 9816 KB Output is correct
22 Correct 4 ms 9820 KB Output is correct
23 Correct 4 ms 9820 KB Output is correct
24 Correct 4 ms 9820 KB Output is correct
25 Correct 4 ms 9820 KB Output is correct
26 Correct 4 ms 9820 KB Output is correct
27 Correct 4 ms 9820 KB Output is correct
28 Correct 4 ms 9820 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 4 ms 9820 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 4 ms 9820 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 4 ms 9816 KB Output is correct
6 Correct 4 ms 9820 KB Output is correct
7 Correct 4 ms 9820 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 3 ms 9820 KB Output is correct
10 Correct 4 ms 9820 KB Output is correct
11 Correct 4 ms 9820 KB Output is correct
12 Correct 3 ms 9816 KB Output is correct
13 Correct 4 ms 9820 KB Output is correct
14 Correct 4 ms 9820 KB Output is correct
15 Correct 4 ms 9820 KB Output is correct
16 Correct 5 ms 10076 KB Output is correct
17 Correct 4 ms 9820 KB Output is correct
18 Correct 4 ms 9820 KB Output is correct
19 Correct 4 ms 9816 KB Output is correct
20 Correct 4 ms 9816 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 4 ms 9820 KB Output is correct
23 Correct 4 ms 9820 KB Output is correct
24 Correct 4 ms 9816 KB Output is correct
25 Correct 4 ms 9820 KB Output is correct
26 Correct 4 ms 9820 KB Output is correct
27 Correct 4 ms 9896 KB Output is correct
28 Correct 4 ms 9820 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 5 ms 9820 KB Output is correct
31 Correct 4 ms 9820 KB Output is correct
32 Correct 5 ms 9816 KB Output is correct
33 Correct 4 ms 9820 KB Output is correct
34 Correct 4 ms 9820 KB Output is correct
35 Correct 4 ms 9816 KB Output is correct
36 Correct 4 ms 9820 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 4 ms 9816 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 4 ms 9820 KB Output is correct
41 Correct 4 ms 9820 KB Output is correct
42 Correct 4 ms 9820 KB Output is correct
43 Correct 4 ms 9820 KB Output is correct
44 Correct 4 ms 9820 KB Output is correct
45 Correct 4 ms 9820 KB Output is correct
46 Correct 4 ms 9820 KB Output is correct
47 Correct 4 ms 9820 KB Output is correct
48 Correct 41 ms 16236 KB Output is correct
49 Correct 51 ms 16840 KB Output is correct
50 Correct 48 ms 16840 KB Output is correct
51 Correct 35 ms 15300 KB Output is correct
52 Correct 44 ms 16580 KB Output is correct
53 Correct 42 ms 15908 KB Output is correct
54 Correct 31 ms 15820 KB Output is correct
55 Correct 74 ms 22256 KB Output is correct
56 Correct 65 ms 19400 KB Output is correct
57 Correct 50 ms 18384 KB Output is correct
58 Correct 48 ms 17760 KB Output is correct
59 Correct 47 ms 16840 KB Output is correct
60 Correct 35 ms 16712 KB Output is correct
61 Correct 36 ms 16828 KB Output is correct
62 Correct 40 ms 17092 KB Output is correct
63 Correct 37 ms 16704 KB Output is correct
64 Correct 41 ms 17096 KB Output is correct
65 Correct 38 ms 17352 KB Output is correct
66 Correct 36 ms 16580 KB Output is correct
67 Correct 30 ms 15156 KB Output is correct
68 Correct 33 ms 16080 KB Output is correct
69 Correct 48 ms 17288 KB Output is correct
70 Correct 36 ms 16848 KB Output is correct
71 Correct 28 ms 15048 KB Output is correct
72 Correct 34 ms 15568 KB Output is correct
73 Correct 43 ms 17344 KB Output is correct
74 Correct 38 ms 16592 KB Output is correct
75 Correct 46 ms 17096 KB Output is correct
76 Correct 42 ms 16584 KB Output is correct
77 Correct 58 ms 17140 KB Output is correct
78 Correct 34 ms 14712 KB Output is correct
79 Correct 37 ms 15380 KB Output is correct
80 Correct 46 ms 17104 KB Output is correct
81 Correct 41 ms 17356 KB Output is correct
82 Correct 41 ms 16840 KB Output is correct