// Slower C++ solution:
#include <bits/stdc++.h>

using namespace std;

#define forn(i, n) for(int i = 0; i < int(n); i++)

#define fore(i, l, r) for(int i = int(l); i < int(r); i++)

#define pb push_back

#define deb(x) cout<<#x<<" "<<x<<endl;

#define deb2(x, y) cout<<#x<<" "<<x<<" "<<#y<<" "<<y<<endl;

#define deb3(x, y, z) cout<<#x<<" "<<x<<" "<<#y<<" "<<y<<" "<<#z<<" "<<z<<endl;

#define all(x) x.begin(), x.end()

#define sz(a) int((a).size())

typedef long long ll;

typedef vector<int> vi;

typedef vector<vector<int>> vvi;

typedef vector<ll> vl;

typedef vector<vector<ll>> vvl;

typedef vector<string> vs;

typedef vector<bool> vb;

typedef pair<int, int> pii;

const int mod = 1e9 + 7;

template<class T, class U> inline void add_self(T &a, U b){a += b;if (a >= mod) a -= mod;if (a < 0) a += mod;}

template<class T, class U> inline void min_self(T &x, U y) { if (y < x) x = y; }

template<class T, class U> inline void max_self(T &x, U y) { if (y > x) x = y; }



template <typename T>void print(T v, bool show_index = false){int w = 2;if(show_index){for(int i=0; i<v.size(); i++)cout<<setw(w)<<i<<" ";cout<<endl;}for(auto i= v.begin(); i!=v.end(); i++)cout<<setw(w)<<*i<<" ";cout<<endl;}

template <typename T>void print_vv(T v){if(v.size()==0) {cout<<"Empty"<<endl; return;} int w = 3;cout<<setw(w)<<" ";for(int j=0; j<v[0].size(); j++)cout<<setw(w)<<j<<" ";cout<<endl;for(auto i= 0; i<v.size(); i++){cout<<i<<" {";for(auto j = 0; j!=v[i].size(); j++){cout<<setw(w)<<v[i][j]<<",";}cout<<"},"<<endl;}cout<<endl;}

template <class T, class U> void print_m(map<T,U> m, int w=3){if(m.empty()){cout<<"Empty"<<endl; return;}for(auto x: m)cout<<"("<<x.first<<": "<<x.second<<"),"<<endl;cout<<endl;}



const int nax = 2e5+10;

ll n,u,v;

vvl adj(nax);

vl val(nax), ans(nax), tail;



void dfs(ll x, ll par){

    ll prev = -1;

    auto it = lower_bound(all(tail),val[x]);

    ll idx = it - tail.begin();

    if(it!=tail.end()){

        prev = *it;

        *it = val[x];

    }else{

        tail.push_back(val[x]);

    }



    ans[x] = (int)tail.size();



    for(auto ad: adj[x]){

        if(ad==par) continue;

        dfs(ad, x);

    }



    if(prev!=-1){

        tail[idx] = prev;

    }else{

        tail.pop_back();

    }

}



int main(){

    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin>>n;

    fore(i,1,n+1) cin>>val[i];

    forn(i,n-1){

        cin>>u>>v;

        adj[u].pb(v), adj[v].pb(u);

    }



    dfs(1,-1);



    fore(i,1,n+1)

        cout<<ans[i]<<endl;



    return 0;

}

// Faster C++ solution for the same problem (measured speedup: 1.2313969779029317x):
#include <bits/stdc++.h>

using namespace std;

#define forn(i, n) for(int i = 0; i < int(n); i++)

#define fore(i, l, r) for(int i = int(l); i < int(r); i++)

#define pb push_back

#define deb(x) cout<<#x<<" "<<x<<endl;

#define deb2(x, y) cout<<#x<<" "<<x<<" "<<#y<<" "<<y<<endl;

#define deb3(x, y, z) cout<<#x<<" "<<x<<" "<<#y<<" "<<y<<" "<<#z<<" "<<z<<endl;

#define all(x) x.begin(), x.end()

#define sz(a) int((a).size())

typedef long long ll;

typedef vector<int> vi;

typedef vector<vector<int>> vvi;

typedef vector<ll> vl;

typedef vector<vector<ll>> vvl;

typedef vector<string> vs;

typedef vector<bool> vb;

typedef pair<int, int> pii;

const int mod = 1e9 + 7;

template<class T, class U> inline void add_self(T &a, U b){a += b;if (a >= mod) a -= mod;if (a < 0) a += mod;}

template<class T, class U> inline void min_self(T &x, U y) { if (y < x) x = y; }

template<class T, class U> inline void max_self(T &x, U y) { if (y > x) x = y; }



template <typename T>void print(T v, bool show_index = false){int w = 2;if(show_index){for(int i=0; i<v.size(); i++)cout<<setw(w)<<i<<" ";cout<<endl;}for(auto i= v.begin(); i!=v.end(); i++)cout<<setw(w)<<*i<<" ";cout<<endl;}

template <typename T>void print_vv(T v){if(v.size()==0) {cout<<"Empty"<<endl; return;} int w = 3;cout<<setw(w)<<" ";for(int j=0; j<v[0].size(); j++)cout<<setw(w)<<j<<" ";cout<<endl;for(auto i= 0; i<v.size(); i++){cout<<i<<" {";for(auto j = 0; j!=v[i].size(); j++){cout<<setw(w)<<v[i][j]<<",";}cout<<"},"<<endl;}cout<<endl;}

template <class T, class U> void print_m(map<T,U> m, int w=3){if(m.empty()){cout<<"Empty"<<endl; return;}for(auto x: m)cout<<"("<<x.first<<": "<<x.second<<"),"<<endl;cout<<endl;}



vi tail;

const int nax = 2e5+20;

vi a(nax), ans(nax);

vvi adj(nax);

int n,u,v;



// int LIS1(vi &a){

//     vi tail;

//     for(auto x: a){

//         auto it = lower_bound(all(tail), x);

//         if(it==tail.end())

//             tail.push_back(x);

//         else 

//             *it = x;

//     }

//     print(tail);

//     return tail.size();

// }



void dfs(int x, int par){

    int prev = -1;

    auto it = lower_bound(all(tail), a[x]);

    int idx = it - tail.begin();

    if(it==tail.end()){

        tail.push_back(a[x]);

    }

    else{

        prev = *it;

        *it = a[x];

    }



    ans[x] = (int)tail.size();



    for(auto ad: adj[x]){

        if(ad==par) continue;

        dfs(ad, x);

    }



    if(prev==-1)

        tail.pop_back();

    else{

        tail[idx] = prev;

    }

}



int main(){

    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin>>n;

    fore(i,1,n+1)

        cin>>a[i];

    

    forn(i,n-1){

        cin>>u>>v;

        adj[u].pb(v), adj[v].pb(u);

    }



    dfs(1,-1);



    fore(i,1,n+1)

        cout<<ans[i]<<"\n";



    return 0;

}