#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();
}
}
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |