Submission #698179

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
698179	2023-02-12 19:00:24	queuedq	족보 (KOI18_family)	C++17	100 / 100	312 ms	48000 KiB

family

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#include <bits/stdc++.h>
#define endl "\n"
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
using namespace std;
using lld = long long;
using pii = pair<int, int>;
using pll = pair<lld, lld>;
////////////////////////////////////////////////////////////////
const int MN = 303030;
int K, N1, N2;
struct Tree {
  int root, cnt[MN], rep[MN];
  vector<int> adj[MN];
  void set_parent(int u, int p) {
    if (p == 0) root = u;
    else adj[p].push_back(u);
  }
  void dfs(int u) {
    if (u <= K) cnt[u] = 1, rep[u] = u;
    for (auto v: adj[u]) {
      dfs(v);
      cnt[u] += cnt[v];
      rep[u] = rep[v];
    }
  }
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 27 / 27
• Subtask 3: 15 / 15
• Subtask 4: 41 / 41