#include "cave.h"
#include<bits/stdc++.h>
#define ll int
#define mp make_pair
#define pub push_back
#define pob pop_back
#define ss second
#define ff first
#define ext exit(0)
using namespace std;
ll i,j,ans[5001],pos[5001],ask[5001],k,l,r;
bool boo[5001];
void exploreCave(int n) {
for(i=0;i<n;i++){
for(j=0;j<n;j++){
if(boo[i]) ask[i]=0;
else ask[i]=ans[i];
}
k=tryCombination(ask);
if(k!=i) ans[i]=ask[i];
else ans[i]=1-ask[i];
l=0,r=n;
while(l+1<r){
ll mid=(l+r)/2;
for(j=0;j<n;j++){
if(j<=mid) ask[i]=ans[i];
else ask[i]=1-ans[i];
}
k=tryCombination(ask);
if(k!=i){
l=mid;
}
else r=mid;
}
pos[i]=l;
boo[i]=1;
}
answer(ans,pos);
}
