#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
int v[N]={};
int a[N] ={};
for(int i = 0; i < N; i++) {
for(int j = 0; j < i; j++) {
if(a[j]) a[j] = 0;
else a[j] = 1;
}
int k = tryCombination(a);
if(k==-1) break;
if(k!=i) a[i] = 1;
for(int j = 0; j < i; j++) {
if(a[j]) a[j] = 0;
else a[j] = 1;
}
}
for(int i = 0; i < N; i++) {
int l = 0, r= N-1;
while(l<=r) {
int m = (l+r)/2;
for(int j = 0; j <= m; j++) {
if(a[i]) a[i]=0;
else a[i]=1;
}
int k = tryCombination(a);
for(int j = 0; j <= m; j++) {
if(a[i]) a[i]=0;
else a[i]=1;
}
if(k >= i) r = m-1;
else l=m+1;
}
v[i] =l;
}
answer( a,v);
}
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