#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
int count_mushrooms(int n) {
vector<int> is = {0}, isnot;
int pos = 1;
const int reqsize = 200;
while(pos < n && is.size()<reqsize && isnot.size()<reqsize) {
if (use_machine({0, pos})) isnot.push_back(pos);
else is.push_back(pos);
pos++;
}
if (is.size() > isnot.size()) {
int res = is.size();
for (int i = pos; i<n; i+=is.size()) {
vector<int> check;
for (int j = i; j<min(n, (int)(i+is.size())); j++) {
check.push_back(is[j-i]);
check.push_back(j);
}
int ans;
if (check.empty()) ans = 0;
else ans = use_machine(check);
res += check.size()/2 - (ans+1)/2;
}
return res;
}
else {
int res = isnot.size();
for (int i = pos; i<n; i+=isnot.size()) {
vector<int> check;
for (int j = i; j<min(n, (int)(i+isnot.size())); j++) {
check.push_back(isnot[j-i]);
check.push_back(j);
}
int ans;
if (check.empty()) ans = 0;
else ans = use_machine(check);
res += check.size()/2 - (ans+1)/2;
}
res = n-res;
return res;
}
}
