Submission #627568

#	Time	Username	Problem	Language	Result	Execution time	Memory
627568		Black_Ghost	Rarest Insects (IOI22_insects)	C++17	10 / 100	396 ms	324 KiB

insects

#include "insects.h"
#include <vector>
#include <bits/stdc++.h>
#define pb push_back
#define ff first
#define ss second
using namespace std;
int min_cardinality(int N) {
    int n=N;
    int gr[3000]={};
    int idx[3000]={};
    int cr=1;
    std::vector<int> v;
    for(int i=0;i<n;i++){
      move_inside(i);
      int g=press_button();
      if(g==1){
          idx[i]=cr;
          gr[cr]++;
          v.pb(i);
          cr++;
          continue;
      }
      else{
        random_shuffle(v.begin(),v.end());
        for(int j=0;j<v.size();j++){
            move_outside(v[j]);
            int res=press_button();
            if(res==1){
                idx[i]=idx[v[j]];
                gr[idx[i]]++;
                v.erase(v.begin()+j);
                v.pb(i);
                break;

            }
            move_inside(v[j]);
        }
        
      }
    }
    int mn=n;
    for(int i=1;i<cr;i++){
      mn=min(mn,gr[i]);
    }

  return mn;
}

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:26:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         for(int j=0;j<v.size();j++){
      |                     ~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 75