Submission #937765

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
937765	2024-03-04 12:44:38	Hugo1729	Connecting Supertrees (IOI20_supertrees)	C++17	21 / 100	183 ms	23452 KiB

supertrees

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#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
struct DSU{
int n;
vector<int> e;
DSU(int s){
  n=s;e.assign(n,-1);
}
int find(int v){
  return (e[v]<0?v:e[v]=find(e[v]));
}
bool same(int a, int b){
  return find(a)==find(b);
}
bool connect(int a, int b){
  a=find(a);b=find(b);
  if(a==b)return 0;
  if(e[a]>e[b])swap(a,b);
  e[a]+=e[b];
  e[b]=a;
  return 1;
}
};
int construct(vector<vector<int>> p) {
  int n = p.size();
  DSU groups(n),rep(n);
 
 
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Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:89:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |     for(int j=0;j<h.size();j++){
      |                 ~^~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 10 / 10
• Subtask 3: 0 / 19
• Subtask 4: 0 / 35
• Subtask 5: 0 / 21
• Subtask 6: 0 / 4