#include "ricehub.h"
#include<bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pub push_back
#define pob pop_back
using namespace std;
ll i,ans,c[111111];
bool can(ll k, ll kk, int X[],ll B){
ll md=(k+kk)/2,cst;
cst=(md-k-kk+md)*X[md]-c[md]+c[k]+c[kk+1]-c[md+1];
if(cst<=B) return 1;
else return 0;
}
int besthub(int n, int L, int X[], long long B) {
c[0]=a[0];
for(i=1;i<n;i++)c[i]=c[i-1]+X[i];
for(i=0;i<n;i++){
ll x=i,y=n;
while(x+1!=y){
ll mid=(x+y)/2;
if(can(i,mid,X,B))x=mid;
else y=mid;
}
ans=max(ans,y-i);
}
return ans;
}
Compilation message
ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:16:11: error: 'a' was not declared in this scope
c[0]=a[0];
^