제출 #958536

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
958536	2024-04-06 01:49:28	Cyber_Wolf	철인 이종 경기 (APIO18_duathlon)	C++17	0 / 100	85 ms	39116 KiB

count_triplets

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#include <bits/stdc++.h>
using namespace std;
#define lg long long
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
const lg N = 2e5+5;
vector<lg> adj[N],adj2[N], p, comps[N];
lg low[N], ans, n, m, artic[N], tin[N], tmp, vis[N], id[N], ids, sz[N], n2;
void dfs(lg src, lg par = -1)
{
  low[src] = tin[src] = ++tmp;
  n2++;
  p.push_back(src);
  for(auto it : adj[src])
  {
    if(it == par)
    {
      continue;
    }
    if(tin[it])
    {
      low[src] = min(low[src], tin[it]);
      continue;
    }
    dfs(it, src);
    low[src] = min(low[src], low[it]);
 
 
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