Submission #1036766

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1036766	2024-07-27 16:36:36	juicy	Capital City (JOI20_capital_city)	C++17	0 / 100	2757 ms	524288 KiB

capital_city

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#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = 2e5 + 5, LG = 18, MAX = 3400005;
int n, k, m;
int lst[N], c[N], dep[N], pr[LG][N], id[LG][N], low[MAX], num[MAX], cnt[MAX], lab[MAX];
vector<int> tree[N], g[MAX], graph[MAX];
void dfs(int u) {
  for (int v : tree[u]) {
    if (v != pr[0][u]) {
      pr[0][v] = u;
      id[0][v] = c[u];
      for (int i = 1; i < LG; ++i) {
        id[i][u] = ++m;
        g[m].push_back(id[i - 1][u]);
        g[m].push_back(id[i - 1][pr[i - 1][u]]);
      }
      dep[v] = dep[u] + 1;
      dfs(v);
    }
  }
 
 
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• Subtask 2: 0 / 10
• Subtask 3: 0 / 30
• Subtask 4: 0 / 59