제출 #932925

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
932925	2024-02-24 14:39:08	ParsaS	수도 (JOI20_capital_city)	C++17	41 / 100	1533 ms	524288 KiB

capital_city

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// In the name of God
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define mp make_pair
typedef long long ll;
const int N = 4e5 + 5, lg = 20;
int n, k;
int up[N][lg], f[N], c[N];
vector<int> adj[N], ver[N];
int h[N], tin[N], tout[N], T;
int par[N];
void dfs(int v, int p) {
  par[v] = p;
  up[v][0] = p;
  for (int i = 1; i < lg; i++)
    up[v][i] = up[up[v][i - 1]][i - 1];
  tin[v] = ++T;
  for (auto u : adj[v]) {
    if (u != p) {
      h[u] = h[v] + 1;
      dfs(u, v);
    }
  }
  tout[v] = T;
}
 
 
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