#include "cave.h"
# include <bits/stdc++.h>
using namespace std;
int pos[5001], fn[5001], cek[5001];
void exploreCave(int N) {
for(int i=0;i<N;i++) pos[i] = -1;
for(int i=0;i<N;i++) {
// cari posisinya dimana skrg
for(int k=0;k<N;k++) {
if(pos[k] == -1) cek[k] = 0;
else cek[k] = pos[k];
}
int v = tryCombination(cek);
if(v == -1) v = N + 1;
bool P;
if(v <= i) P = 1;
else P = 0;
// cout<<P<<endl;
int ans = -1, l = 0, r = N - 1;
while(l <= r) {
int mid = (l + r) / 2;
for(int d=0;d<=mid;d++) {
if(pos[d] == -1) cek[d] = 1 - cek[d];
}
// for(int k=0;k<N;k++) cout<<cek[k]<<" ";
// cout<<endl;
int sv = tryCombination(cek);
if(sv == -1) sv = N + 1;
// cout<<"mid : "<<mid<<" "<<sv<<endl;
bool Q;
if(sv <= i) {
Q = 1;
} else Q = 0;
if(P == Q) {
ans = mid;
l = mid + 1;
} else {
r = mid - 1;
}
for(int d=0;d<=mid;d++) {
if(pos[d] == -1) cek[d] = 1 - cek[d];
}
}
ans++;
// cout<<i<<" "<<ans<<endl;
pos[ans] = P;
fn[ans] = i;
}
answer(pos, fn);
}
