#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(a) (a).begin(), (a).end()
#define ll long long
const int mod = 1000002022;
vector<int> state, p;
int n, m;
vector<vector<int>> g;
template<typename T>
int len(T &a){return a.size();}
int min_cardinality(int n) {
int ans = n;
vector<int> done(n);
for(int i = 0; i < n; i ++){
if(done[i]) continue;
done[i] = 1;
move_inside(i);
int cnt = 1;
for(int j = i + 1; j < n; j ++){
if(done[j]) continue;
move_inside(j);
if(press_button() > 1){
cnt ++;
done[j] = 1;
}
move_outside(j);
}
move_outside(i);
ans = min(ans, cnt);
}
return ans;
}
