제출 #251553

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
251553	2020-07-21 19:17:57	imeimi2000	별자리 3 (JOI20_constellation3)	C++17	100 / 100	692 ms	79224 KiB

constellation3

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#include <bits/stdc++.h>
using namespace std;
typedef long long llong;
int n;
int A[200001];
vector<int> H[200001];
int I[200002];
int D[200001];
int V[200001];
vector<int> child[200001];
void add(int &ord, int p, int l, int r) {
    if (r - l - 1 <= 0) return;
    int i = ++ord;
    child[p].push_back(i);
    I[l] = i;
}
const int L = 18;
int st[200001], ed[200001], dep[200001], par[200001][L];
void dfs(int x, int p) {
    static int ord = 0;
    st[x] = ++ord;
    par[x][0] = p;
    for (int i = 1; i < L; ++i) par[x][i] = par[par[x][i - 1]][i - 1];
    for (int i : child[x]) {
        dfs(i, x);
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65