#include "insects.h" #include <bits/stdc++.h> using namespace std; int p, cnt, sz; vector<int> v; int min_cardinality(int N) { cin.tie(NULL)->sync_with_stdio(false); for (int i=0; i<N; i++) { move_inside(i); if (press_button()==1) cnt++, v.push_back(i); else move_outside(i); } for (auto x:v) move_outside(x); if (cnt==1) return N; int l=1, r=N/cnt; while (l<r) { int md=(l+r+1)/2; sz=0; v.clear(); for (int i=0; i<N; i++) { move_inside(i); if (press_button()>md) move_outside(i); else sz++, v.push_back(i); } if (sz==cnt*md) l=md; else r=md-1; for (auto x:v) move_outside(x); } return l; }