#include #include #include #include #include #include #include #include #include #include #include #include #define INF 1000000000ll #define MOD 1000000007ll #define EPS 1e-10 #define REP(i,m) for(long long i=0; i P; typedef long double ld; int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin>>n; vector a(n); REP(i,n) cin>>a[i]; map> m; REP(i,n) m[a[i]].insert(i); set

s; REP(i,n) { s.insert(P(i,a[i])); } vector> buf; vector ans(n); REP(i,n) ans[i]=a[i]; for(auto tmp: m) { set vec=tmp.second; if((ll)vec.size()<2) continue; auto ite=vec.begin(); ll l=*ite; ite=vec.end(); ite--; ll r=*ite; auto ite2=s.lower_bound(P(l,-1)); while(ite2!=s.end()&&((*ite2).first)<=r) { m[(*ite2).second].erase((*ite2).first); s.erase(ite2); ite2=s.lower_bound(P(l,-1)); } buf.pb(make_pair(P(l,r),tmp.first)); } set unused; REP(i,n) unused.insert(i); reverse(ALL(buf)); REP(i,(ll)buf.size()) { auto ite=unused.lower_bound(buf[i].first.first); while(ite!=unused.end()&&*ite<=buf[i].first.second) { ans[*ite]=buf[i].second; unused.erase(ite); ite=unused.lower_bound(buf[i].first.first); } } DUMP(ans); }