Submission #746479

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
746479	2023-05-22 13:39:44	sword060	Cijanobakterije (COCI21_cijanobakterije)	C++17	70 / 70	70 ms	10428 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
const int N = 2e5+5;
int x,k;
vector<int>v[N];
int dist[N][2];
bool vis[N][2];
pair<int,int>dfs(int i,bool f){
  queue<int>q;
  q.push(i);
  vis[i][f]=1;
  dist[i][f]=1;
  int mx=0,pos=i;
  while(q.size()){
    int j=q.front();q.pop();
    if(mx<dist[j][f]){
      mx=dist[j][f];
      pos=j;
    }
    for(auto c:v[j]){
      if(vis[c][f])continue;
      vis[c][f]=1;
      dist[c][f]=dist[j][f]+1;
      q.push(c);
    }
  }
  return {pos,mx};
}
int main(){
  ios::sync_with_stdio(0);cin.tie(0);
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 6 / 6
• Subtask 3: 6 / 6
• Subtask 4: 15 / 15
• Subtask 5: 28 / 28