#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
// #define int long long
// #define endl '\n'
#define ff first
#define ss second
#define pb push_back
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ar array
const int MOD = 1e9 + 7,INF = 1e9, N = 2e5 + 5;
/*
*/
void exploreCave(int n){
int ans[n];
for(int i = 0;i < n;i++){
ans[i] = 0;
}
int s[n];
vector <int> use(n);
for(int i = 0;i < n;i++){
int x = tryCombination(ans);
if(x == -1){
break;
}
int l = 0, r = n - 1;
while(l < r){
int m = (l + r) >> 1;
if(ans[m]){
l = m + 1;
continue;
}
ans[m] = 1;
int y = tryCombination(ans);
ans[m] = 0;
if(y > x|| y == -1){
ans[m] = 1;
break;
}
else if(y < x){
l = m + 1;
}
else{
r = m - 1;
}
}
}
for(int i = 0;i < n;i++){
ans[i] = abs(ans[i] - 1);
int x = tryCombination(ans);
ans[i] = abs(ans[i] - 1);
s[i] = x;
}
answer(ans, s);
}
