#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
int S[N], D[N], visited[N], ans[N], temp[N];
int lo, hi, mid, cur;
for (int i = 1; i <= N; ++i){
lo = 0;hi = N;mid = (lo + hi)/2;
copy(ans, ans + N, temp);
if (tryCombination(temp) == i)cur = 0;
else cur = 1;
while (lo != mid){
if (cur){
for (int i = lo; i < mid; ++i){
if (!visited[i])temp[i] = 1;
}
}
else{
for (int i = mid; i < hi; ++i){
if (!visited[i])temp[i] = 1;
}
}
if (tryCombination(temp) == i)hi=mid;
else lo = mid;
mid = (lo + hi)/2;
}
visited[mid] = 1;
ans[mid] = cur;
S[i-1] = cur;
D[i-1] = mid;
}
answer(S, D);
}
