Submission #787439

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
787439	2023-07-19 07:45:16	willychan	Evacuation plan (IZhO18_plan)	C++14	100 / 100	322 ms	32124 KiB

plan

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
const int N = 1e5+5;
vector<pair<int,int> > side[N];
ll dis[N];
pair<int,ll> p[N];
int sz[N];
int query(int a){
  while(a!=p[a].first){
    a = p[a].first;
  }
  return a;
}
void join(int a,int b,ll v){
  a = query(a);
  b = query(b);
  if(a==b) return ;
  if(sz[a]>sz[b]) swap(a,b);
  p[a].first=b;
  p[a].second=v;
  sz[b]+=sz[a];
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 13 / 13
• Subtask 3: 12 / 12
• Subtask 4: 19 / 19
• Subtask 5: 46 / 46