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