#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
bool in[2011]; int sz[2011];
int cnt = 0;
void move_in(int i){
assert(!in[i]);
in[i] = true;
move_inside(i);
cnt++;
}
void move_out(int i){
assert(in[i]);
in[i] = false;
move_outside(i);
cnt--;
}
int min_cardinality(int N) {
fill(in, in + N, 0);
fill(sz, sz + N, 0);
for(int i = 0; i < N; i++){
move_in(i);
int c = press_button();
if(c >= 2) move_out(i);
}
int K = cnt;
int L = 1, R = N / K;
while(L != R){
int M = (L + R + 1) / 2;
vector<int> added;
for(int i = 0; i < N; i++){
if(in[i]) continue;
move_in(i); added.push_back(i);
int c = press_button();
if(c > M) move_out(i), added.pop_back();
}
if(cnt == M * K){
L = M;
}else{
for(auto i : added){
move_out(i);
}
R = M - 1;
}
}
return L;
}
