This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000+10;
vector<int>adj[maxn];
int all[maxn],part[maxn],parh[maxn],high[maxn],sz[maxn],n,timea=0;
pair<int,int>stf[maxn];
vector<pair<int,int>>val[maxn];
pair<int,int>alle[maxn];
bool cmp(int a,int b){
return sz[a]>sz[b];
}
struct fen{
int fn[maxn];
vector<int>allv;
void clear(){
for(auto x:allv){
fn[x]=0;
}
allv.clear();
}
void upd(int i,int w){
//cout<<"wtf inf: "<<i<<" "<<w<<endl;
i++;
while(i<maxn){
allv.push_back(i);
fn[i]+=w;
i+=((-i)&i);
}
}
int pors(int i){
//cout<<"tof pi: "<<i<<" ";
i++;
int ret=0;
while(i>0){
ret+=fn[i];
i-=((-i)&i);
}
//cout<<ret<<endl;
return ret;
}
}fn;
void pre(int u=1,int par=1){
if(u!=1){
sort(adj[u].begin(),adj[u].end());
adj[u].erase(lower_bound(adj[u].begin(),adj[u].end(),par));
}
part[u]=par;
sz[u]=1;
for(auto x:adj[u]){
high[x]=high[u]+1;
pre(x,u);
sz[u]+=sz[x];
}
sort(adj[u].begin(),adj[u].end(),cmp);
}
void dfs(int u=1,int par=1){
timea++;
stf[u].first=timea;
parh[u]=par;
if(adj[u].size()>0){
dfs(adj[u][0],par);
}
for(int i=1;i<(int)adj[u].size();i++){
dfs(adj[u][i],adj[u][i]);
}
stf[u].second=timea;
}
void upd(int u,int w){
//cout<<u<<" "<<w<<" "<<parh[u]<<endl;
int ted=high[u]-high[parh[u]]+1;
u=parh[u];
int now=0;
while((int)val[u].size()>0){
if(val[u].back().first+now<=ted){
now+=val[u].back().first;
val[u].pop_back();
continue;
}
val[u].back().first-=ted-now;
break;
}
val[u].push_back(make_pair(ted,w));
if(u==1){
return ;
}
return upd(part[u],w);
}
int get(int u){
// //cout<<"inget: "<<u<<endl;
int ted=high[u]-high[parh[u]]+1;
int now=0;
int ph=parh[u];
if((int)val[ph].size()==0){
if(ph==1){
return 0;
}
return get(part[parh[u]]);
}
u=parh[u];
vector<pair<int,int>>tof;
for(int i=(int)val[u].size()-1;i>=0;i--){
if(val[u][i].first+now<=ted){
tof.push_back(val[u][i]);
now+=val[u][i].first;
}
else{
tof.push_back(make_pair(ted-now,val[u][i].second));
break;
}
}
// //cout<<"injy: "<<u<<endl;
reverse(tof.begin(),tof.end());
long long ret=0;
for(auto x:tof){
ret+=x.first*fn.pors(x.second-1);
fn.upd(x.second,x.first);
}
// //cout<<"oonjy: "<<u<<endl;
if(u==1){
return ret;
}
ret+=get(part[parh[u]]);
return ret;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
//cout.tie(0);
cin>>n;
vector<int>allind;
for(int i=1;i<=n;i++){
cin>>all[i];
allind.push_back(all[i]);
}
sort(allind.begin(),allind.end());
allind.resize(unique(allind.begin(),allind.end())-allind.begin());
for(int i=1;i<=n;i++){
all[i]=lower_bound(allind.begin(),allind.end(),all[i])-allind.begin();
}
for(int i=0;i<n-1;i++){
cin>>alle[i].first>>alle[i].second;
adj[alle[i].first].push_back(alle[i].second);
adj[alle[i].second].push_back(alle[i].first);
}
pre();
dfs();
upd(1,all[1]);
////cout<<"sa;am"<<endl;
for(int i=0;i<n-1;i++){
if(high[alle[i].first]>high[alle[i].second]){
swap(alle[i].first,alle[i].second);
}
cout<<get(alle[i].first)<<endl;
// //cout<<"wtf"<<endl;
upd(alle[i].second,all[alle[i].second]);
// //cout<<"radshod"<<endl;
fn.clear();
}
}
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