제출 #207951

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
207951	2020-03-09 14:22:30	red1108	늑대인간 (IOI18_werewolf)	C++17	0 / 100	1010 ms	155516 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
typedef pair<int,int> pii;
int n, m;
//1 이 N->1, 2가 1->N순서
vector<int> tree1[200010], tree2[200010], gr[200010];
pii rn1[200010], rn2[200010];
int mi[20][200010], ma[20][200010], par1[20][200010], par2[20][200010];
int anc[200010], ord;
int nh[200010], root[200010];
int findanc(int x){
  if(x==anc[x]) return x;
  return anc[x]=findanc(anc[x]);
}
void dfs1(int x, int par){
  //printf("dfs1(%d %d)\n", x, par);
  mi[0][x] = par;
  par1[0][x]=par;
  rn1[x].fi = ++ord;
  for(auto i:tree1[x]) if(i!=par){
    dfs1(i,x);
  }
  rn1[x].se = ord;
}
void dfs2(int x, int par){
  //printf("dfs2(%d %d)\n", x, par);
 
 
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• Subtask 1: 0 / 7
• Subtask 2: 0 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51