Submission #366642

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
366642	2021-02-14 20:12:38	penguinhacker	Regions (IOI09_regions)	C++14	100 / 100	6207 ms	43992 KiB

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
#define debug(x) cerr << "[" << #x << "] = [" << x << "]\n"
template<class T> ostream& operator<< (ostream& out, vector<T>& v) {
  out << '[';
  for (int i = 0; i < v.size(); ++i) {
    if (i > 0) {
      out << ", ";
    }
    out << v[i];
  }
  return out << ']';
}
const int mxN = 200000;
const int B = 350; // change this
int n, m, q, reg[mxN], p[mxN], tin[mxN], tout[mxN], timer = 0, dp[mxN + 1], r[mxN];
vector<int> adj[mxN], oc[mxN], pos[mxN];
vector<int> pre[mxN];
void dfs(int u = 0) {
  tin[u] = timer++;
  pos[reg[u]].push_back(tin[u]);
  for (int v : adj[u]) dfs(v);
  tout[u] = timer - 1;
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 85 / 85