#include "bits/stdc++.h"
#include "insects.h"
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;
vector<int> mach;
void clear_mach(){
while(!mach.empty()){
move_outside(mach.back());
mach.pop_back();
}
}
int solve(vector<int> cand){
if(sz(cand)==1) return 1;
if(sz(cand)==0) return 0;
mach.push_back(0);
move_inside(0);
vector<int> tk,hm;
tk.push_back(0);
for(int i=1;i<n;i++){
move_inside(i);
mach.push_back(i);
if(press_button()==1) tk.push_back(i);
else{
hm.push_back(i);
move_outside(i);
mach.pop_back();
}
}
int n=sz(tk),m=sz(hm);
if(n==1) return sz(cand);
if(m<n) return 1;
int L[m],R[m];
for(int i=0;i<m;i++){
L[i]=0;
R[i]=n-1;
}
for(int j=0;j<11;j++){
clear_mach();
vector<int> dene[n];
for(int i=0;i<m;i++) if(L[i]!=R[i]) dene[(L[i]+R[i])/2].push_back(i);
for(int i=0;i<n;i++){
move_inside(tk[i]);
mach.push_back(tk[i]);
for(int x:dene[i]){
move_inside(hm[x]);
mach.push_back(hm[x]);
if(press_button()==2) R[x]=i;
else L[x]=i+1;
move_outside(hm[x]);
mach.pop_back();
}
}
}
int ans=sz(cand);
vector<int> mark(n,1);
for(int i=0;i<m;i++) mark[L[i]]++;
for(int i=0;i<n;i++) ans=min(ans,mark[i]);
return ans;
}
int min_cardinality(int n){
vector<int> res;
for(int i=0;i<n;i++) res.push_back(i);
return solve(res);
}
/*void _(){
}
int32_t main(){
cin.tie(0); ios::sync_with_stdio(0);
int tc=1;//cin >> tc;
while(tc--) _();
return 0;
}*/
Compilation message
insects.cpp: In function 'int solve(std::vector<int>)':
insects.cpp:23:18: error: 'n' was not declared in this scope
23 | for(int i=1;i<n;i++){
| ^
