Submission #917092

#	Time	Username	Problem	Language	Result	Execution time	Memory
917092		macneil	Stone Arranging 2 (JOI23_ho_t1)	C++17	100 / 100	193 ms	20260 KiB

Main

//cf meowcneil; t.me/macneilbot

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
#include <bitset>
#include <iterator>
#include <iomanip>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <random>
#include <cassert>

using namespace std;

#define int long long
#define pb push_back
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define f(a) for(int i = 0; i<a; ++i)

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef string str;
typedef vector<str> vestr;
typedef vector<int> vei;
typedef vector<vector<int>> veve;


void solve() {
    int n;
    cin >> n;
    deque<pair<int, int>> au;
    map<int, int> ct;
    for (int i = 0; i < n; ++i) {
        int x;
        cin >> x;
        if (ct[x] > 0) {
            int C = 1;
            while (au.back().first != x) {
                ct[au.back().first] -= au.back().second;
                C += au.back().second;
                au.pop_back();
            }
            au.back().second += C;
            continue;
        }
        au.push_back({x, 1});
        ct[x]++;
    }
    for (auto e : au) {
        for (int i = 0; i < e.second; ++i) {
            cout << e.first << '\n';
        }
    }
}

signed main() {
    int tc = 1;
#ifdef LOCAL
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
    // cin >> tc;
#else
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    // cin >> tc;
#endif
    for (int t = 1; t <= tc; t++) {
        // cout << "Case #" << t  << ": ";
        solve();
    }
}

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