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;
// typedef long double ld;
// #define pii pair<int, int>
// #define pll pair<ll, ll>
// #define vi vector<int>
// #define vl vector<ll>
// #define fi first
// #define se second
// #define pb push_back
// #define mp make_pair
// #define all(v) v.begin(), v.end()
// #define SZ(x) ((int)((x).size()))
// #define pow2(x) ((ll)(x) * (x))
// const ll mod = 1e9 + 7;
// const int INF = 1e9 + 5; // 998244353
// const ll INFF = 1e18 + 5;
// // Super is the cutest girl
// void solve()
// {
// int n;
// cin >> n;
// map<int, bool> has;
// stack<pii> st;
// vector<pair<int, pii>> ranges;
// vi v(n);
// for (int i = 0; i < n; i++)
// {
// int x;
// cin >> x;
// v[i] = x;
// if (has[x])
// {
// while (st.top().fi != x && !st.empty())
// {
// has[st.top().fi] = 0;
// st.pop();
// }
// ranges.pb({st.top().fi, {st.top().se, i}});
// }
// else
// {
// has[x] = 1;
// st.push({x, i});
// }
// }
// int answer[n];
// memset(answer, -1, sizeof(answer));
// for (auto i : ranges)
// {
// for (int j = i.se.fi; j <= i.se.se; j++)
// answer[j] = i.fi;
// }
// for (int i = 0; i < n; i++)
// {
// cout << (answer[i] == -1 ? v[i] : answer[i]) << '\n';
// }
// }
// int main()
// {
// ios::sync_with_stdio(false);
// cin.tie(0);
// // freopen("input.txt", "r", stdin);
// // freopen("output.txt","w",stdout);
// // int t; cin >> t; while(t--)
// solve();
// }
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(v) v.begin(), v.end()
#define SZ(x) ((int)((x).size()))
#define pow2(x) ((ll)(x) * (x))
const ll mod = 1e9 + 7;
const int INF = 1e9 + 5; // 998244353
const ll INFF = 1e18 + 5;
// Super is the cutest girl
void solve()
{
int n;
cin >> n;
vi v(n + 1);
map<int, vi> f;
map<int, int> l;
int maxi = 0;
vector<pair<int, pii>> ranges;
for (int i = 1; i <= n; i++)
{
cin >> v[i];
f[v[i]].pb(i);
l[v[i]] = i;
}
for (int i = 0; i < n; i++)
{
int pos = 0;
if (i <= maxi)
continue;
if (i == l[v[i]])
continue;
maxi = l[v[i]];
ranges.pb({v[i], {i, l[v[i]]}});
}
int answer[n + 1];
memset(answer, -1, sizeof(answer));
for (auto i : ranges)
{
for (int j = i.se.fi; j <= i.se.se; j++)
answer[j] = i.fi;
}
for (int i = 1; i <= n; i++)
{
cout << (answer[i] == -1 ? v[i] : answer[i]) << '\n';
}
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
// freopen("input.txt","r",stdin);
// freopen("output.txt","w",stdout);
// int t; cin >> t; while(t--)
solve();
}
Compilation message (stderr)
Main.cpp: In function 'void solve()':
Main.cpp:105:13: warning: unused variable 'pos' [-Wunused-variable]
105 | int pos = 0;
| ^~~
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