#include "plants.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
int nn,p,a[200001];
int h[200001];
vector<int> v[200001];
stack<int> s;
int used[200001];
void dfs(int i)
{
used[i]=1;
for(int j=0;j<v[i].size();j++)
{
int nb=v[i][j];
if(!used[nb])dfs(nb);
}
s.push(i);
}
int g[200001];
void init(int k, std::vector<int> r)
{
p=k;
nn=r.size();
int id=0;
for(int i=0;i<r.size();i++)
{
a[i]=r[i];
if(a[i]!=1)id=i;
}
for(int i=0;i<nn;i++)
{
int x=id;
int x2=id+1;
if(x2==nn)x2=0;
id--;
if(id==-1)id=nn-1;
cout<<id<<" "<<x<<endl;
if(r[id]==0)
v[id].pb(x),v[id].pb(x2);
else if(r[id]==2)
v[x].pb(id),v[x2].pb(id);
else
{
if(r[x]==0)
{
v[x].pb(id);
v[id].pb(x2);
h[id]=1;
}
else if(r[x]==2)
{
v[id].pb(x);
v[x2].pb(id);
h[id]=0;
}
else if(h[x])
{
v[id].pb(x);
v[x2].pb(id);
h[id]=0;
}
else
{
v[x].pb(id);
v[id].pb(x2);
h[id]=1;
}
}
}
for(int i=0;i<nn;i++)
if(!used[i])dfs(i);
for(int i=0;i<nn;i++)
{
/*cout<<i<<": ";
for(int j=0;j<v[i].size();j++)
cout<<v[i][j]<<" ";
cout<<endl;*/
g[s.top()]=nn-i-1;
s.pop();
}
/*for(int i=0;i<nn;i++)
cout<<g[i]<<" ";
cout<<endl;*/
return;
}
int compare_plants(int x, int y)
{
if(g[x]<g[y])return -1;
if(g[x]>g[y])return 1;
return 0;
}
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