#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;
class pont{
public:
int index;
long long ut, el;
};
vector<pont> p;
const bool operator<(const pont& p1, const pont& p2){
return p1.index < p2.index;
}
long long L;
long long mennyi(long long e, long long i, long long u){
return p[e].ut-p[i].ut-(i-e)*(L-p[i].index)
+p[u].el-p[i].el-(u-i)*p[i].index;
}
int besthub(int n, int l, int x[], long long b)
{
L=l;
int er=0;
p.resize(n);
for(int i=0;i<n;i++){
p[i].index=x[i];
}
sort(p.begin(),p.end());
p[0].el=p[0].index;
for(int i=1;i<n;i++){
p[i].el=p[i-1].el+p[i].index;
}
p[n-1].ut=l-p[n-1].index;
for(int i=n-2;i>=0;i--){
p[i].ut=p[i+1].ut+l-p[i].index;
}
for(int i=0;i<n;i++){
int aa=i, bb = n-1, k;
while(aa!=bb){
k=(aa+bb) /2+1;
if(mennyi(i, (i+k)/2,k)<=b){
aa=k;
} else {
bb=k-1;
}
}
er=max(er,aa-i+1);
}
return er;
}
