Submission #919623

#	Time	Username	Problem	Language	Result	Execution time	Memory
919623		andrei_iorgulescu	Stone Arranging 2 (JOI23_ho_t1)	C++14	100 / 100	143 ms	14156 KiB

Main

#include <bits/stdc++.h>

using namespace std;

int n,a[200005];
map<int,bool>am;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    vector<pair<int,int>>v;
    for (int i = 1; i <= n; i++)
    {
        if (!am[a[i]])
        {
            am[a[i]] = true;
            v.push_back({a[i],1});
        }
        else
        {
            int cate = 1;
            while (v.back().first != a[i])
            {
                cate += v.back().second;
                am[v.back().first] = false;
                v.pop_back();
            }
            v[v.size() - 1].second += cate;
        }
    }
    for (auto it : v)
        for (int i = 1; i <= it.second; i++)
            cout << it.first << '\n';
    return 0;
}

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