#include<bits/stdc++.h>
#include "mushrooms.h"
using namespace std;
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define all(vr) vr.begin(),vr.end()
#define vi vector<int>
#define vll vector<ll>
const int N=1e5+10;
int count_mushrooms(int n) {
int cnt=1;
for (int i=1;i<n;i+=2)
{
vi vt;
vt.eb(i);
vt.eb(0);
if (i+1<n) vt.eb(i+1);
cnt+=vt.size()-1-use_machine(vt);
}
return cnt;
}
