#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
using ll = long long;
int in[2020];
int min_cardinality(int n) {
int type = 0;
for (int i = 0;i < n;i++) {
move_inside(i);
if (press_button() == 2) {
move_outside(i);
}
else in[i] = 1, type++;
}
if (type == 1) return n;
if (type == n) return 1;
if (type > n / 2) return 1;
int mxans = n / type;
int l = 1, r = mxans;
while (l < r) {
int mid = (l + r + 1) / 2;
int sz = mid - l;
int cnt = 0;
for (int i = 0;i < n;i++) {
if (in[i]) continue;
move_inside(i);
if (press_button() > mid) {
move_outside(i);
}
else in[i] = mid, cnt++;
}
if (cnt < type * sz) {
r = mid - 1;
for (int i = 0;i < n;i++) if (in[i] == mid) move_outside(i), in[i] = 0;
}
else l = mid;
}
return l;
// n , n , n
/*
ans <= n / type
ans <= n - mx
*/
}
