제출 #82499

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
82499	2018-10-31 06:13:03	tfg	Construction of Highway (JOI18_construction)	C++17	100 / 100	1347 ms	91796 KiB

construction

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#include <iostream>
#include <vector>
#include <chrono>
#include <random>
#include <limits>
#include <set>
#include <algorithm>
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());
class HLD {
public:
  void init(int n) {
    // this doesn't delete edges!
    sz.resize(n);
    in.resize(n);
    out.resize(n);
    rin.resize(n);
    p.resize(n);
    edges.resize(n);
    nxt.resize(n);
    h.resize(n);
  }
  void addEdge(int u, int v) {
    edges[u].push_back(v);
    edges[v].push_back(u);
  }
  void setRoot(int n) {
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 84 / 84