Submission #1123763

#	Time	Username	Problem	Language	Result	Execution time	Memory
1123763		LucaIlie	Stone Arranging 2 (JOI23_ho_t1)	C++20	100 / 100	159 ms	12968 KiB

Main

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 2e5;
int a[MAX_N + 1], frecv[MAX_N + 1];
unordered_map<int, int> pos;

int main() {
    int n, m = 0;

    cin >> n;
    for ( int i = 1; i <= n; i++ ) {
        ++m;
        cin >> a[m];
        frecv[m] = 1;
        if ( pos[a[m]] > 0 ) {
            int j = m - 1;
            frecv[j] += 1;
            while ( j > pos[a[m]] ) {
                pos[a[j]] = 0;
                frecv[pos[a[m]]] += frecv[j];
                j--;
            }
            m = j;
        } else
            pos[a[m]] = m;
    }

    for ( int i = 1; i <= m; i++ ) {
        for ( int j = 0; j < frecv[i]; j++ )
            cout << a[i] << "\n";
    }
}

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