////////////////////////////////////////////////
// //
// Author: Muhammad Faishol Amirul Mukminin //
// //
////////////////////////////////////////////////
#include "cave.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pi;
#define PUB push_back
vector<bool> benar(5005,0);
bool isOpen(int pintu, int* S, int N){
for(int i=0;i<N;i++){
if(!benar[i]) S[i] = 0;
}
int tertutup = tryCombination(S);
if(tertutup == -1 || pintu < tertutup) return 0;
return 1;
}
int srcTombol(int pintu, int id, int* S, int N){
vector<int>tmp;
for(int i=0;i<N;i++) if(!benar[i]) tmp.PUB(i);
int l = 0,
r = tmp.size()-1;
for(int i=l;i<=r;i++) S[tmp[i]] = id^1;
while(l<r){
int m = (l+r)/2;
for(int i=l;i<=m;i++) S[tmp[i]] = id;
int tertutup = tryCombination(S);
for(int i=l;i<=m;i++) S[tmp[i]] = id^1;
if(tertutup == -1 || pintu < tertutup){
r = m;
}else{
l = m+1;
}
}
return tmp[l];
}
void exploreCave(int N) {
int tombol_door[N], tombol_id[N];
memset(tombol_door, -1, sizeof tombol_door);
memset(tombol_id, 0, sizeof tombol_id);
for(int i=0;i<N;i++){
int id = isOpen(i, tombol_id, N);
int ans_tombol = srcTombol(i, id, tombol_id, N);
tombol_door[ans_tombol] = i;
tombol_id[ans_tombol] = id;
benar[ans_tombol] = 1;
}
answer(tombol_id, tombol_door);
}
