Submission #1230522

#	Time	Username	Problem	Language	Result	Execution time	Memory
1230522		VMaksimoski008	Rarest Insects (IOI22_insects)	C++20	0 / 100	49 ms	416 KiB

insects

#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int min_cardinality(int n) {
    vector<int> st, vis(n), a(n);
    st.push_back(0);
    
    int id = 1;
    for(int i=1; i<n; i++) {
        shuffle(st.begin(), st.end(), rng);

        int t = -1;
        move_inside(i);
        for(int u : st) {
          move_inside(u);
          if(press_button() == 2) {
            t = a[u];
            break;
          }
          move_outside(u);
        }
        move_outside(i);

        if(t == -1) {
          a[i] = id++;
          st.push_back(i);
        } else {
          a[i] = t;
        }
    }

    vector<int> cnt(n);
    for(int i=0; i<n; i++) cnt[a[i]]++;

    int mn = n;
    for(int i=0; i<n; i++)
      if(cnt[i]) mn = min(mn, cnt[i]);

    return mn;
}

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