#include<bits/stdc++.h>
#include "ricehub.h"
using namespace std ;
#define ll long long
#define maxn 500009
#define fi first
#define se second
#define pb push_back
#define left id<<1
#define right id<<1|1
#define re exit(0);
#define _lower(v,x) lower_bound(v.begin(),v.end(),x)-v.begin()+1
const int mod = 1e9+7 ;
const int INF = 1e9 ;
const int LOG = 18 ;
typedef vector<int> vi ;
typedef pair<int,int> pii ;
typedef vector<ll> vl ;
typedef vector<pii> vii ;
void add ( int &a , int b )
{
a += b ;
if ( a < 0 ) a += mod ;
if ( a >= mod ) a -= mod ;
}
template < typename T > void chkmin ( T &a , T b ) { if ( a > b ) a = b ; }
template < typename T > void chkmax ( T &a , T b ) { if ( a < b ) a = b ; }
void rf ()
{
freopen ("bai1.inp","r",stdin) ;
}
int _pow ( int a , int n )
{
if ( n == 0 ) return 1 ;
int res = _pow (a,n/2) ;
if ( n % 2 ) return 1ll*res*res%mod*a%mod ;
else return 1ll*res*res%mod ;
}
int n , m ;
int a [maxn] ;
ll budget ;
ll sum [maxn] ;
void prepare ()
{
for ( int i = 1 ; i <= n ; i ++ ) sum [i] = sum [i-1] + a [i] ;
}
ll get ( int l , int r )
{
return sum [r] - sum [l-1] ;
}
ll calc ( int l , int r )
{
int mid = (l+r)/2 ;
return 1ll*a[mid]*(mid-l+1)-get(l,mid)+get(mid+1,r)-1ll*(r-mid)*a[mid] ;
}
int solve ()
{
prepare () ;
int res = 0 ;
for ( int i = 1 ; i <= n ; i ++ )
{
int l = i , r = n ;
int pos = - 1;
while ( l <= r )
{
int mid = (l+r)/2 ;
if ( calc (i,mid) <= budget ) l = mid + 1 , pos = mid ;
else r = mid - 1 ;
}
chkmax (res,pos-i+1) ;
}
return res ;
}
int _R , _L , _X [maxn] ;
ll _B ;
int best_hub ( int R , int L , int X [] , ll B )
{
n = R , m = L ;
for ( int i = 1 ; i <= n ; i ++ ) a [i] = X [i-1] ;
budget = B ;
return solve () ;
}
//int main ()
//{
// ios_base::sync_with_stdio(0);
// cin.tie(0);cout.tie(0);
// rf () ;
//
// cin >> _R >> _L >> _B ;
// for ( int i = 0 ; i < _R ; i ++ ) cin >> _X [i] ;
//
// cout << best_hub (_R,_L,_X,_B) ;
//
//}
Compilation message
ricehub.cpp: In function 'void rf()':
ricehub.cpp:35:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
35 | freopen ("bai1.inp","r",stdin) ;
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccLRod8R.o: in function `main':
grader.cpp:(.text.startup+0xae): undefined reference to `besthub(int, int, int*, long long)'
collect2: error: ld returned 1 exit status
