Submission #810947

#	Time	Username	Problem	Language	Result	Execution time	Memory
810947		tkwiatkowski	Stone Arranging 2 (JOI23_ho_t1)	C++17	100 / 100	142 ms	15204 KiB

Main

#include <iostream>
#include <deque>
#include <map>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;
    map<int, int> cnt;
    deque<pair<int, int>> stones;
    for (int i = 0; i < n; ++i) {
        int a;
        cin >> a;
        pair<int, int> top = {a, 1};
        if (cnt[a] > 0) {
            while (true) {
                auto [color, count] = stones.back();
                stones.pop_back();
                top.second += count;
                cnt[color] -= count;
                if (color == a)
                    break;
            }
        }
        stones.push_back(top);
        cnt[a] += top.second;
    }

    for (auto [a, cnt] : stones)
        for (int i = 0; i < cnt; ++i)
            cout << a << '\n';
    return 0;
}

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