Submission #983802

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
983802	2024-05-16 06:31:44	phoenix0423	Connecting Supertrees (IOI20_supertrees)	C++17	100 / 100	166 ms	24452 KiB

supertrees

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define pb push_back
#define eb emplace_back
#include "supertrees.h"
struct DSU{
  vector<int> par, siz;
  int n;
  DSU(int _n) : n(_n){
    par.resize(n);
    siz.resize(n, 1);
    iota(par.begin(), par.end(), 0);
  }
  int root(int x){ return x == par[x] ? x : par[x] = root(par[x]);}
  bool same(int x, int y){ return root(x) == root(y);}
  void unite(int x, int y){
    x = root(x), y = root(y);
    if(x == y) return;
    if(siz[x] > siz[y]) swap(x, y);
    siz[y] += siz[x];
    par[x] = y;
  }
};
int construct(std::vector<std::vector<int>> p) {
  int n = p.size();
  vector<vector<int>> ans(n, vector<int>(n));
 
 
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Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:62:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |   for(int j = 0; j < loop[i].size(); j++){
      |                  ~~^~~~~~~~~~~~~~~~

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