#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define ll long long
#define y1 YONE
#define free freeee
#define lcm llcm
/*
⠄⠄⠄⠄⢠⣿⣿⣿⣿⣿⢻⣿⣿⣿⣿⣿⣿⣿⣿⣯⢻⣿⣿⣿⣿⣆⠄⠄⠄
⠄⠄⣼⢀⣿⣿⣿⣿⣏⡏⠄⠹⣿⣿⣿⣿⣿⣿⣿⣿⣧⢻⣿⣿⣿⣿⡆⠄⠄
⠄⠄⡟⣼⣿⣿⣿⣿⣿⠄⠄⠄⠈⠻⣿⣿⣿⣿⣿⣿⣿⣇⢻⣿⣿⣿⣿⠄⠄
⠄⢰⠃⣿⣿⠿⣿⣿⣿⠄⠄⠄⠄⠄⠄⠙⠿⣿⣿⣿⣿⣿⠄⢿⣿⣿⣿⡄⠄
⠄⢸⢠⣿⣿⣧⡙⣿⣿⡆⠄⠄⠄⠄⠄⠄⠄⠈⠛⢿⣿⣿⡇⠸⣿⡿⣸⡇⠄
⠄⠈⡆⣿⣿⣿⣿⣦⡙⠳⠄⠄⠄⠄⠄⠄⢀⣠⣤⣀⣈⠙⠃⠄⠿⢇⣿⡇⠄
⠄⠄⡇⢿⣿⣿⣿⣿⡇⠄⠄⠄⠄⠄⣠⣶⣿⣿⣿⣿⣿⣿⣷⣆⡀⣼⣿⡇⠄
⠄⠄⢹⡘⣿⣿⣿⢿⣷⡀⠄⢀⣴⣾⣟⠉⠉⠉⠉⣽⣿⣿⣿⣿⠇⢹⣿⠃⠄
⠄⠄⠄⢷⡘⢿⣿⣎⢻⣷⠰⣿⣿⣿⣿⣦⣀⣀⣴⣿⣿⣿⠟⢫⡾⢸⡟⠄.
⠄⠄⠄⠄⠻⣦⡙⠿⣧⠙⢷⠙⠻⠿⢿⡿⠿⠿⠛⠋⠉⠄⠂⠘⠁⠞⠄⠄⠄
⠄⠄⠄⠄⠄⠈⠙⠑⣠⣤⣴⡖⠄⠿⣋⣉⣉⡁⠄⢾⣦⠄⠄⠄⠄⠄⠄⠄⠄
*/
typedef unsigned long long ull;
using namespace std;
const int N=1e3+5;
int dis[N][N],n,a[N],deg[N];
vector<int> adj[N];
bool b[N];
void dfs(int x,int p,int s,int d){
dis[s][x]=d;
for (auto u:adj[x]) if (u!=p) dfs(u,x,s,d+1);
return;
}
int32_t main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
cin>>n;
for (int i=1;i<n;i++){
int x,y;
cin>>x>>y;
adj[x].pb(y);
adj[y].pb(x);
deg[x]++;
deg[y]++;
}
for (int i=1;i<=n;i++) dfs(i,0,i,0);
set<int> leaves;
for (int i=1;i<=n;i++) if (deg[i]==1) leaves.ep(i);
while (leaves.size()>1){
int x=0,y=0,mx=LLONG_MIN;
for (auto u:leaves){
for (auto v:leaves){
if (u==v) continue;
if (dis[u][v]<=mx) continue;
x=u,y=v,mx=dis[u][v];
}
}
if (!b[x]){
a[y]=x;
b[x]=true;
leaves.erase(y);
for (auto u:adj[y]){
deg[u]--;
if (deg[u]==1) leaves.ep(u);
}
}
else{
a[x]=y;
b[y]=true;
leaves.erase(x);
for (auto u:adj[x]){
deg[u]--;
if (deg[u]==1) leaves.ep(u);
}
}
}
for (int i=1;i<=n;i++){
if (a[i]) continue;
for (int j=1;j<=n;j++){
if (b[j]) continue;
a[i]=j;
b[j]=true;
break;
}
}
int x=0;
for (int i=1;i<=n;i++) x+=dis[i][a[i]];
cout<<0<<' '<<x<<endl;
for (int i=1;i<=n;i++) cout<<i<<' ';cout<<endl;
for (int i=1;i<=n;i++) cout<<a[i]<<' ';cout<<endl;
return 0;
}
Compilation message
Village.cpp: In function 'int32_t main()':
Village.cpp:95:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
95 | for (int i=1;i<=n;i++) cout<<i<<' ';cout<<endl;
| ^~~
Village.cpp:95:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
95 | for (int i=1;i<=n;i++) cout<<i<<' ';cout<<endl;
| ^~~~
Village.cpp:96:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
96 | for (int i=1;i<=n;i++) cout<<a[i]<<' ';cout<<endl;
| ^~~
Village.cpp:96:44: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
96 | for (int i=1;i<=n;i++) cout<<a[i]<<' ';cout<<endl;
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
1 ms |
344 KB |
Partially correct |
2 |
Partially correct |
1 ms |
600 KB |
Partially correct |
3 |
Partially correct |
1 ms |
344 KB |
Partially correct |
4 |
Partially correct |
1 ms |
348 KB |
Partially correct |
5 |
Partially correct |
0 ms |
348 KB |
Partially correct |
6 |
Partially correct |
1 ms |
348 KB |
Partially correct |
7 |
Partially correct |
0 ms |
348 KB |
Partially correct |
8 |
Partially correct |
0 ms |
488 KB |
Partially correct |
9 |
Partially correct |
1 ms |
348 KB |
Partially correct |
10 |
Partially correct |
1 ms |
348 KB |
Partially correct |
11 |
Partially correct |
0 ms |
348 KB |
Partially correct |
12 |
Partially correct |
0 ms |
344 KB |
Partially correct |
13 |
Partially correct |
1 ms |
348 KB |
Partially correct |
14 |
Partially correct |
1 ms |
344 KB |
Partially correct |
15 |
Partially correct |
1 ms |
344 KB |
Partially correct |
16 |
Partially correct |
1 ms |
348 KB |
Partially correct |
17 |
Partially correct |
0 ms |
348 KB |
Partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
10 ms |
2652 KB |
Partially correct |
2 |
Partially correct |
66 ms |
4748 KB |
Partially correct |
3 |
Partially correct |
65 ms |
4700 KB |
Partially correct |
4 |
Incorrect |
514 ms |
8280 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
1 ms |
344 KB |
Partially correct |
2 |
Partially correct |
1 ms |
600 KB |
Partially correct |
3 |
Partially correct |
1 ms |
344 KB |
Partially correct |
4 |
Partially correct |
1 ms |
348 KB |
Partially correct |
5 |
Partially correct |
0 ms |
348 KB |
Partially correct |
6 |
Partially correct |
1 ms |
348 KB |
Partially correct |
7 |
Partially correct |
0 ms |
348 KB |
Partially correct |
8 |
Partially correct |
0 ms |
488 KB |
Partially correct |
9 |
Partially correct |
1 ms |
348 KB |
Partially correct |
10 |
Partially correct |
1 ms |
348 KB |
Partially correct |
11 |
Partially correct |
0 ms |
348 KB |
Partially correct |
12 |
Partially correct |
0 ms |
344 KB |
Partially correct |
13 |
Partially correct |
1 ms |
348 KB |
Partially correct |
14 |
Partially correct |
1 ms |
344 KB |
Partially correct |
15 |
Partially correct |
1 ms |
344 KB |
Partially correct |
16 |
Partially correct |
1 ms |
348 KB |
Partially correct |
17 |
Partially correct |
0 ms |
348 KB |
Partially correct |
18 |
Partially correct |
10 ms |
2652 KB |
Partially correct |
19 |
Partially correct |
66 ms |
4748 KB |
Partially correct |
20 |
Partially correct |
65 ms |
4700 KB |
Partially correct |
21 |
Incorrect |
514 ms |
8280 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |