이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "fun.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>
int SUB(int root,int x){return attractionsBehind(root,x);}
int DEP(int root,int x){return hoursRequired(root,x);}
const int N=100050;
int sz[N],type[N],dist[N];
vector<pii> v[3];
vector<int> createFunTour(int n,int q){
for(int i=0;i<n;i++)sz[i]=SUB(0,i);
int cen=0;
for(int i=1;i<n;i++)if(sz[i]*2>=n&&sz[i]<sz[cen])cen=i;
type[cen]=-1;
for(int i=0,cnt=0;i<n;i++){
dist[i]=DEP(cen,i);
if(dist[i]==1&&cnt<2&&sz[i]<sz[cen]){
cnt++;
for(int j=0;j<n;j++)if(!type[j]){
if(SUB(j,i)*2>n)type[j]=cnt;
}
}
}
for(int i=0;i<n;i++)if(type[i]==0)type[i]=3;
for(int i=0;i<n;i++)if(i!=cen)v[type[i]-1].pb({dist[i],i});
if(v[0].size()<v[1].size())swap(v[0],v[1]);
if(v[0].size()<v[2].size())swap(v[0],v[2]);
if(v[1].size()<v[2].size())swap(v[1],v[2]);
for(int i=0;i<3;i++)sort(v[i].begin(),v[i].end());
//assert(v[0].size()<=v[1].size()+v[2].size());
int las=-1;
vector<int> ans,vals,who;
while(max({v[0].size(),v[1].size(),v[2].size()})*2<v[0].size()+v[1].size()+v[2].size()){
int mx=-1,o=-1;
for(int i=0;i<3;i++)if(i!=las&&v[i].size()){
if(v[i].back().first>mx)mx=v[i].back().first,o=i;
}
assert(o!=-1);
ans.pb(v[o].back().second);
v[o].pop_back();
las=o;
vals.pb(mx);
who.pb(o);
}
int mx=0;
for(int i=0;i<3;i++)if(v[i].size()>v[mx].size())mx=i;
int l=mx==0?1:0,r=mx==2?1:2;
if(v[mx].size()==v[l].size()+v[r].size()&&v[mx].size()){
assert(las!=mx);
if(who.size()>1){
if(vals[vals.size()-2]>v[mx].back().first){
int o=who[who.size()-2];
ans.pb(v[o].back().second);
v[o].pop_back();
}
}
}
if(v[0].size()<v[1].size())swap(v[0],v[1]);
if(v[0].size()<v[2].size())swap(v[0],v[2]);
if(v[1].size()<v[2].size())swap(v[1],v[2]);
//assert(v[0].size()==v[1].size()+v[2].size());
while(v[0].size()){
auto P=[&](int o){
ans.pb(v[o].back().second);
v[o].pop_back();
};
P(0);
if(v[2].empty()&&v[1].empty())break;
if(v[2].empty())P(1);
else if(v[1].empty())P(2);
else P(v[1].back().first>v[2].back().first?1:2);
}
ans.pb(cen);
return ans;
}
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