#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
constexpr int repeticoes = 82, qtd_min = 180;
vector<int> color[2];
int count_mushrooms(int N) {
int cnt[2]{};
color[0] = {0};
vector<int> unknown(N-1);
iota(unknown.begin(), unknown.end(), 1);
while(unknown.size()) {
int usar = color[1].size() > color[0].size(); // escolho o grupo que tem mais gente pra usar
int sz = color[usar].size();
if(sz == 2) {
for(; (max(color[0].size(), color[1].size()) < 3 || min(color[0].size(), color[1].size()) < 2) && color[0].size() + color[1].size() < qtd_min && unknown.size() > 2;) {
vector<int> qr;
for(int i = 0; i < 2; i++, unknown.pop_back())
qr.push_back(color[usar][i]), qr.push_back(unknown.back());
int resp = use_machine(qr);
color[usar ^ (resp&1)].push_back(qr.back());
resp >>= 1;
color[usar ^ (resp&1)].push_back(qr[1]);
}
usar = color[1].size() > color[0].size(); // escolho o grupo que tem mais gente pra usar
sz = color[usar].size();
// for(int sla = 0; sla < repeticoes && unknown.size() >= 5; sla++) {
/* for(; color[0].size() + color[1].size() < qtd_min && unknown.size() >= 5;) {
vector<int> qr;
for(int i = 0; i < 3; i++, unknown.pop_back())
qr.push_back(color[usar][i]), qr.push_back(unknown.back());
int resp = use_machine(qr);
color[usar ^ (resp&1)].push_back(qr.back());
qr.pop_back(), qr.pop_back();
resp >>= 1;
if(resp&1) {
// os dois são diferentes
int x1 = qr[1], x2 = qr[3];
int uk1 = unknown.back(); unknown.pop_back();
int uk2 = unknown.back(); unknown.pop_back();
qr.clear();
qr = {color[usar^1][0], x1, color[usar^1][1], color[usar][0], x2, color[usar][1], uk1, color[usar][2], uk2};
int resp = use_machine(qr);
resp--; // removo a ligacao obrigatoria entre color[usar^1][1] e color[usar][0]
color[usar^(resp&1)].push_back(uk2);
resp>>=1;
color[usar^(resp&1)].push_back(uk1);
resp>>=1;
color[usar^1^(resp&1)].push_back(x1);
color[usar^(resp&1)].push_back(x2);
} else {
color[usar^(resp==2)].push_back(qr[1]), color[usar^(resp==2)].push_back(qr[3]);
}
} */
continue;
}
vector<int> qr;
for(int i = 0; i < sz && unknown.size(); i++, unknown.pop_back())
qr.push_back(color[usar][i]), qr.push_back(unknown.back());
int resp = use_machine(qr);
color[usar ^ (resp&1)].push_back(qr.back());
cnt[usar^1] += resp/2;
cnt[usar] += (qr.size() / 2 - 1) - resp/2;
}
return cnt[0] + color[0].size();
}
