Submission #1009017

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1009017	2024-06-27 07:58:57	Rifal	Parachute rings (IOI12_rings)	C++14	0 / 100	4024 ms	47208 KiB

rings

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#include <bits/stdc++.h>
//#include "rings.h"
using namespace std;
const int N = 1e6 + 5;
int n;
int cnt = 0;
vector<int> v[N];
int deg[N], nod;
int sum = 0;
bool vis[N], cy;
void dfs(int s, int p) {
  vis[s] = 1;
  for(auto i : v[s]) {
    if(i != p && i != nod) {
      if(vis[i] == 1) {
        cy = false;
      }
      else {
        dfs(i,s);
      }
    }
  }
}
void Init(int N_) {
  n = N_;
}
void Link(int A, int B) {
  deg[A]++; deg[B]++;
  if(deg[A] > 2) cnt++;
 
 
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