제출 #765161

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
765161	2023-06-24 08:56:42	ymm	Jail (JOI22_jail)	C++17	72 / 100	4233 ms	1048576 KiB

jail

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#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
const int N = 200'010;
vector<int> A[N];
vector<int> A0[N];
int st[N], ft[N];
int par[N];
int n, m;
void dfs(int v, int p, int &t)
{
  st[v] = t++;
  par[v] = p;
  for (int u : A0[v])
    if (u != p)
      dfs(u, v, t);
  ft[v] = t;
}
void add_edge(int i, int j)
{
  if (i == j)
    return;
  A[i].push_back(j);
 
 
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