Submission #1319204

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319204		tsetsenbileg	Parachute rings (IOI12_rings)	C++20	0 / 100	1 ms	332 KiB

rings

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
using pr = pair<int, int>;
const int INF = 1e9+7, MOD = 1e9+7;
int n;
vector<int> edge;
bitset<1000000> crit;

void Init(int N_) {
  n = N_;
}

void Link(int A, int B) {
  edge[A]++;
  edge[B]++;
  if (crit[A] && edge[B] > 3) crit[A] = 0;
  if (crit[B] && edge[A] > 3) crit[B] = 0;
}

int CountCritical() {

  return crit.count(); 

}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 17
• Subtask 3: 0 / 18
• Subtask 4: 0 / 14
• Subtask 5: 0 / 31