제출 #398078

#제출 시각아이디문제언어결과실행 시간메모리
398078ntabc05101Editor (BOI15_edi)C++14
15 / 100
128 ms34192 KiB
#include<bits/stdc++.h>
using namespace std;

const int mxN = 300000;
const int lgN = 19;

int a[mxN + 5], w[mxN + 5], par[mxN + 5][lgN + 5];

int get_par(int u, int mx_w) {
        if (w[u] <= mx_w) return u;
        for (int i = lgN - 1; i >= 0; i--) {
                if (w[par[u][i]] > mx_w) {
                        u = par[u][i];
                }
        }
        return par[u][0];
}

int main() {
        cin.tie(0)->sync_with_stdio(0);
        
        int n; cin >> n;
        for (int i = 1; i <= n; i++) {
               cin >> a[i];
               if (a[i] < 0) {
                       w[i] = -a[i];
                       int b = get_par(i - 1, w[i] - 1);
                       par[i][0] = get_par(b - 1, w[i] - 1);
                       
                       for (int j = 1; j < lgN; j++) par[i][j] = par[par[i - 1][j - 1]][j - 1];
               }
               
               cout << a[get_par(i, 0)] << "\n";
        }
        
        return 0;
}
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