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 N = 200005;
int n;
int a[N];
vector<int> v;
set<int> idx[N];
set<int> indices;
int l[N], ans[N];
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
copy(a + 1, a + n + 1, back_inserter(v));
sort(v.begin(), v.end());
v.erase(unique(v.begin(), v.end()), v.end());
for (int i = 1; i <= n; i++) {
a[i] = lower_bound(v.begin(), v.end(), a[i]) - v.begin();
if (!idx[a[i]].empty()) {
int lst = *idx[a[i]].rbegin();
vector<int> removals;
for (auto it = indices.upper_bound(lst); it != indices.end(); it++) {
idx[a[*it]].erase(*it);
removals.emplace_back(*it);
}
for (auto &x : removals) {
indices.erase(x);
}
l[i] = lst;
} else {
l[i] = i;
}
idx[a[i]].insert(i);
indices.insert(i);
}
for (int i = n, j = n; i >= 1; i--) {
while (j >= l[i]) {
ans[j--] = a[i];
}
}
for (int i = 1; i <= n; i++) {
cout << v[ans[i]] << '\n';
}
return 0;
}
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