Submission #1164122

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1164122	2025-03-09 04:19:25	HappyCapybara	Parachute rings (IOI12_rings)	C++20	100 / 100	1457 ms	152176 KiB

rings

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#include<bits/stdc++.h>
using namespace std;
random_device rd;
mt19937 mt(rd());
vector<int> p;
bool ol = false;
int n, nc;
vector<int> deg;
unordered_set<int> s, cycle;
vector<vector<int>> g;
int ufind(int a){
  if (a == p[a]) return p[a];
  return p[a] = ufind(p[a]);
}
void merge(int a, int b){
  a = ufind(a);
  b = ufind(b);
  if (a == b) return;
  p[b] = a;
}
void path(int a, int b){
  vector<int> par(n, -1);
  par[a] = a;
  stack<int> q;
  q.push(a);
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 14 / 14
• Subtask 5: 31 / 31