Submission #1333223

#	Time	Username	Problem	Language	Result	Execution time	Memory
1333223		ricardsjansons	Stone Arranging 2 (JOI23_ho_t1)	C++20	100 / 100	57 ms	12816 KiB

Main

#include <bits/stdc++.h>
#define umap unordered_map
using namespace std;

int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;cin>>n;
    vector<array<int,2>>v;
    umap<int,int>m;
    for(int i=0;i<n;i++){
        int a;cin>>a;
        if(m[a]){
            while(v.back()[0]!=a){
                m[v.back()[0]]--;
                v.pop_back();
            }
        }else{
            v.push_back({a,i});
            m[a]++;
        }
    }
    reverse(v.begin(),v.end());
    int c=0;
    for(int i=0;i<n;i++){
        if(v.size()&&v.back()[1]==i){
            c=v.back()[0];
            v.pop_back();
        }
        cout<<c<<"\n";
    }
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40