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;
typedef long long ll;
#define mp(a, b) make_pair(a, b)
const int N = 2e5 + 7;
pair<int, int> tree[4 * N];
pair<int, int> lazy[4 * N];
void push(int v, int tl, int tr) {
if (tl < tr) {
lazy[2 * v] = max(lazy[2 * v], lazy[v]);
lazy[2 * v + 1] = max(lazy[2 * v + 1], lazy[v]);
}
tree[v] = max(tree[v], lazy[v]);
lazy[v] = mp(0, 0);
}
void update(int v, int tl, int tr, int l, int r, pair<int, int> c) {
push(v, tl, tr);
if (l <= tl && tr <= r) {
lazy[v] = max(lazy[v], c);
push(v, tl, tr);
return;
}
int tm = (tl + tr) / 2;
if (l <= tm) update(2 * v, tl, tm, l, min(r, tm), c);
if (tm + 1 <= r) update(2 * v + 1, tm + 1, tr, max(l, tm + 1), r, c);
push(2 * v, tl, tm);
push(2 * v + 1, tm + 1, tr);
tree[v] = max(tree[2 * v], tree[2 * v + 1]);
}
pair<int, int> query(int v, int tl, int tr, int l, int r) {
push(v, tl, tr);
if (l <= tl && tr <= r) {
return tree[v];
}
int tm = (tl + tr) / 2;
if (l <= tm && r <= tm) {
return query(2 * v, tl, tm, l, r);
} else if (tm + 1 <= l && tm + 1 <= r) {
return query(2 * v + 1, tm + 1, tr, l, r);
} else {
return max(query(2 * v, tl, tm, l, tm), query(2 * v + 1, tm + 1, tr, tm + 1, r));
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<int> a(n + 1);
for (int i = 1; i <= n; ++i) cin >> a[i];
vector<int> v;
map<int, vector<int>> pos;
vector<int> nxt(n + 1);
iota(nxt.begin() + 1, nxt.end(), 0);
for (int i = 1; i <= n; ++i) {
if (pos[a[i]].size() == 0) {
pos[a[i]].push_back(i);
update(1, 1, n, i, i, mp(i, a[i]));
continue;
}
int l = pos[a[i]].back();
nxt[i] = l - 1;
update(1, 1, n, l, i, mp(i, a[i]));
for (int j = i - 1; j >= l; j = nxt[j]) {
if (!pos[a[j]].empty() && pos[a[j]].back() == j) pos[a[j]].pop_back();
}
pos[a[i]].push_back(i);
}
for (int i = 1; i <= n; ++i) cout << query(1, 1, n, i, i).second << endl;
return 0;
}
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