Submission #774638

#	Time	Username	Problem	Language	Result	Execution time	Memory
774638		huutuan	Stone Arranging 2 (JOI23_ho_t1)	C++14	60 / 100	2065 ms	14724 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) ((int)x.size())
#define sumof(x) accumulate(all(x), 0ll)

const int N=2e5+1;
int n, ans[N];
map<int, vector<pair<int, int>>> mp;

void solve(int tc){
    // cout << "Case #" << tc << ": ";
    cin >> n;
    for (int i=1; i<=n; ++i){
        int x;
        cin >> x;
        if (mp.count(x) && mp[x].size()){
            auto j=mp[x].back();
            mp[x].pop_back();
            for (auto it=mp.begin(); it!=mp.end();){
                while (it->second.size() && it->second.back()>=j) it->second.pop_back();
                if (it->second.empty()) it=mp.erase(it);
                else ++it;
            }
            mp[x].emplace_back(j.first, i);
        }else mp[x].emplace_back(i, i);
    }
    for (auto& i:mp) for (auto& j:i.second) for (int k=j.first; k<=j.second; ++k) ans[k]=i.first;
    for (int i=1; i<=n; ++i) cout << ans[i] << '\n';
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int ntests=1;
    // cin >> ntests;
    for (int i=1; i<=ntests; ++i) solve(i);
    return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 0 / 40