제출 #996818

#제출 시각아이디문제언어결과실행 시간메모리
996818faqinyeagerStone Arranging 2 (JOI23_ho_t1)C++17
0 / 100
2100 ms348 KiB
#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
using ll = long long;

ll n;
vector<ll> a;


int main(){
    cin >> n;
    
    a.resize(n);
    map<int, int> tmp;
    
    for(int i = 0; i < n; i++) cin >> a[i], tmp[a[i]] += 1;
    
    int lx = 0, rx = n - 1;
    
    while(lx <= rx){
        if(a[lx] == a[rx]){
            for(int i = 0; i < rx - lx + 1; i++) cout << a[lx] << '\n';
            lx = rx + 1;
            rx = n - 1;
            if(lx >= n) break;
        }
        while(a[lx] != a[rx] && tmp[a[lx]] > 1) rx -= 1;
    }
}
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