#include "insects.h"
#include <bits/stdc++.h>
#define endl "\n"
using namespace std;
const int MAXN = 2048;
int n,p;
int used[MAXN];
bool check(int x)
{
int ans = 0;
for(int i = 0; i < n; i++)
{
move_inside(i);
used[i] = 1;
int br = press_button();
if(br > x)
{
move_outside(i);
used[i] = 0;
}
else ans++;
}
for(int i = 0; i < n; i++) if(used[i]) move_outside(i);
return ans == x*p;
}
int min_cardinality(int N)
{
n = N;
int gr = n;
/*for(int i = 0; i < n; i++)
{
move_inside(i);
}
gr = press_button();
for(int i = 0; i < n; i++) move_outside(i);*/
p = 0;
for(int i = 0; i < n; i++)
{
move_inside(i);
used[i] = 1;
int br = press_button();
if(br > 1)
{
move_outside(i);
used[i] = 0;
}
else p++;
}
int l = 1, r = gr;
int mid;
while(l <= r)
{
mid = (l+r)/2;
if(check(mid)) l = mid+1;
else r = mid-1;
}
return r;
}
