oj.uz

Submission #654911

# Submission time Handle Problem Language Result Execution time Memory
654911 2022-11-01T22:55:38 Z inksamurai Village (BOI20_village) C++17
50 / 100
 116 ms 28316 KB 
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3fm6nhZ ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}

signed main(){
_3fm6nhZ;
	int n;
	cin>>n;
	vec(vi) adj(n);
	rep(i,n-1){
		int u,v;
		cin>>u>>v;
		u-=1,v-=1;
		adj[u].pb(v);
		adj[v].pb(u);
	}
	int ans=0;
	vi ert(n);
	auto dfs=[&](auto self,int v,int par)->int{
		vi rbts;
		for(auto u:adj[v]){
			if(u==par) continue;
			int e=self(self,u,v);
			if(e) rbts.pb(u);
		}
		if(sz(rbts)==0) return 1;
		for(int i=0;i<sz(rbts)-sz(rbts)%2;i+=2){
			ert[rbts[i]]=rbts[i+1];
			ert[rbts[i+1]]=rbts[i];
			ans+=4;
		}
		if(sz(rbts)%2){
			ert[v]=rbts.back();
			ert[rbts.back()]=v;
			ans+=2;
		}else{
			ert[v]=rbts.back();
			ert[ert[rbts.back()]]=v;
		}
		return 0;
	};
	int e=dfs(dfs,0,-1);
	if(e){
		int v=0;
		int u=adj[0][0];
		ans+=2;
		rep(s,n){
			if(ert[s]==u){
				ert[v]=u;
				ert[s]=0;
				break;
			}
		}
	}
	assert(sz(set<int>(ert.begin(), ert.end()))==n);
	cout<<ans<<" "<<ans<<"\n";
	rep(t,2){
		rep(i,n)cout<<ert[i]+1<<" ";
		print();
	}
}

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 212 KB Partially correct
2 Partially correct 0 ms 212 KB Partially correct
3 Correct 0 ms 212 KB Output is correct
4 Partially correct 0 ms 212 KB Partially correct
5 Partially correct 0 ms 212 KB Partially correct
6 Partially correct 1 ms 212 KB Partially correct
7 Correct 0 ms 212 KB Output is correct
8 Partially correct 0 ms 212 KB Partially correct
9 Partially correct 0 ms 212 KB Partially correct
10 Partially correct 1 ms 276 KB Partially correct
11 Partially correct 0 ms 212 KB Partially correct
12 Partially correct 0 ms 212 KB Partially correct
13 Partially correct 0 ms 212 KB Partially correct
14 Correct 0 ms 212 KB Output is correct
15 Partially correct 0 ms 212 KB Partially correct
16 Partially correct 0 ms 212 KB Partially correct
17 Partially correct 0 ms 212 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 340 KB Partially correct
2 Partially correct 1 ms 320 KB Partially correct
3 Partially correct 1 ms 320 KB Partially correct
4 Partially correct 2 ms 448 KB Partially correct
5 Partially correct 1 ms 456 KB Partially correct
6 Partially correct 1 ms 328 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 468 KB Partially correct
11 Partially correct 1 ms 468 KB Partially correct
12 Correct 1 ms 340 KB Output is correct
13 Partially correct 1 ms 340 KB Partially correct
14 Partially correct 1 ms 340 KB Partially correct
15 Partially correct 1 ms 404 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 340 KB Partially correct
19 Partially correct 1 ms 456 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 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 340 KB Partially correct
28 Partially correct 1 ms 356 KB Partially correct
29 Partially correct 1 ms 340 KB Partially correct
30 Partially correct 1 ms 340 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 212 KB Partially correct
2 Partially correct 0 ms 212 KB Partially correct
3 Correct 0 ms 212 KB Output is correct
4 Partially correct 0 ms 212 KB Partially correct
5 Partially correct 0 ms 212 KB Partially correct
6 Partially correct 1 ms 212 KB Partially correct
7 Correct 0 ms 212 KB Output is correct
8 Partially correct 0 ms 212 KB Partially correct
9 Partially correct 0 ms 212 KB Partially correct
10 Partially correct 1 ms 276 KB Partially correct
11 Partially correct 0 ms 212 KB Partially correct
12 Partially correct 0 ms 212 KB Partially correct
13 Partially correct 0 ms 212 KB Partially correct
14 Correct 0 ms 212 KB Output is correct
15 Partially correct 0 ms 212 KB Partially correct
16 Partially correct 0 ms 212 KB Partially correct
17 Partially correct 0 ms 212 KB Partially correct
18 Partially correct 1 ms 340 KB Partially correct
19 Partially correct 1 ms 320 KB Partially correct
20 Partially correct 1 ms 320 KB Partially correct
21 Partially correct 2 ms 448 KB Partially correct
22 Partially correct 1 ms 456 KB Partially correct
23 Partially correct 1 ms 328 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 468 KB Partially correct
28 Partially correct 1 ms 468 KB Partially correct
29 Correct 1 ms 340 KB Output is correct
30 Partially correct 1 ms 340 KB Partially correct
31 Partially correct 1 ms 340 KB Partially correct
32 Partially correct 1 ms 404 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 340 KB Partially correct
36 Partially correct 1 ms 456 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 340 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 340 KB Partially correct
45 Partially correct 1 ms 356 KB Partially correct
46 Partially correct 1 ms 340 KB Partially correct
47 Partially correct 1 ms 340 KB Partially correct
48 Partially correct 116 ms 12164 KB Partially correct
49 Partially correct 85 ms 13336 KB Partially correct
50 Partially correct 86 ms 13372 KB Partially correct
51 Partially correct 64 ms 10380 KB Partially correct
52 Partially correct 110 ms 13156 KB Partially correct
53 Partially correct 68 ms 11992 KB Partially correct
54 Partially correct 42 ms 13696 KB Partially correct
55 Partially correct 101 ms 28316 KB Partially correct
56 Partially correct 90 ms 20412 KB Partially correct
57 Partially correct 92 ms 17908 KB Partially correct
58 Partially correct 94 ms 15748 KB Partially correct
59 Partially correct 84 ms 13448 KB Partially correct
60 Correct 68 ms 13504 KB Output is correct
61 Partially correct 72 ms 13580 KB Partially correct
62 Partially correct 82 ms 13692 KB Partially correct
63 Partially correct 76 ms 12816 KB Partially correct
64 Partially correct 81 ms 13676 KB Partially correct
65 Partially correct 71 ms 13788 KB Partially correct
66 Partially correct 64 ms 12876 KB Partially correct
67 Partially correct 53 ms 10108 KB Partially correct
68 Partially correct 58 ms 11612 KB Partially correct
69 Partially correct 75 ms 13808 KB Partially correct
70 Partially correct 72 ms 12948 KB Partially correct
71 Partially correct 48 ms 9568 KB Partially correct
72 Partially correct 60 ms 10940 KB Partially correct
73 Partially correct 69 ms 13788 KB Partially correct
74 Partially correct 71 ms 12612 KB Partially correct
75 Partially correct 75 ms 13152 KB Partially correct
76 Partially correct 73 ms 13216 KB Partially correct
77 Partially correct 70 ms 12960 KB Partially correct
78 Partially correct 48 ms 8992 KB Partially correct
79 Partially correct 54 ms 10400 KB Partially correct
80 Partially correct 77 ms 13132 KB Partially correct
81 Partially correct 79 ms 13052 KB Partially correct
82 Partially correct 74 ms 13444 KB Partially correct