Submission #497845

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
497845	2021-12-24 00:59:24	perchuts	Race (IOI11_race)	C++17	100 / 100	521 ms	37828 KiB

race

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#include <bits/stdc++.h>
#define maxn (int)(2e5 + 51)
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define endl '\n'
#define ll long long
#define pb push_back
#define ull unsigned long long
#define ii pair<int, int>
#define iii tuple<int, int, int>
#define inf (int)(2e9 + 1)
#define mod (int)(1e9 + 7)
using namespace std;
vector<ii> g[maxn];
int subsz[maxn], vis[maxn];
ii cnt[5 * maxn];
int dfs(int v, int p)
{
  subsz[v] = 1;
  for (auto [u, d] : g[v])
  {
    if (u != p && !vis[u])
      subsz[v] += dfs(u, v);
  }
  return subsz[v];
}
int ans = inf, curcentroid;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57