#include "cave.h"
#include <vector>
using namespace std;
void answer(int S[], int D[]);
int tryCombination(int S[]);
int s[5000], d[5000];
void exploreCave(int n) {
for (int i = 0; i < n; i++) s[i] = 0, d[i] = -1;
vector<int> u; // switche o ktorych nevieme ze ktore dvere ovladaju
for (int i = 0; i < n; i++)
{
u.clear();
for (int sw = 0; sw < n; sw++)
if (d[sw] == -1) u.push_back(sw);
int o = tryCombination(s);
if (o == -1 || o > i) for (int j : u) s[j] ^= 1;
while (u.size() > 1)
{
int h = u.size() / 2;
vector<int> u1(u.begin(), u.begin() + h), u2(u.begin() + h, u.end());
for (int j : u1) s[j] ^= 1;
int q1 = tryCombination(s);
if (q1 == -1) q1 = n;
if (q1 > i)
{
u = u1;
for (int j : u1) s[j] ^= 1;
}
else u = u2;
}
d[u[0]] = i;
s[u[0]] ^= 1;
}
answer(s, d);
}
