#include<stdio.h>
bool pos(int del, long long *m, long long B, int n)
{
int cnt=n-del;
int hcnt=cnt/2;
long long d=0;
for(int i=0 ; i<cnt/2 ; i++) d+=m[cnt-i+1]-m[i];
if(d<=B) return true;
for(int i=0 ; i<n-cnt ; i++)
{
int didx=i, aidx=i+cnt;
d-=m[didx+hcnt]-m[didx];
d+=m[aidx]-m[aidx-hcnt];
if(d<=B) return true;
}
return false;
}
int besthub(int R, long long L, long long *X, long long B)
{
int st=0, fn=R, mid, res;
while(st<=fn)
{
mid=(st+fn)>>1;
if(pos(mid,X,B,R)) fn=mid-1, res=mid;
else st=mid+1;
}
return n-res;
}
Compilation message
ricehub.cpp: In function 'int besthub(int, long long int, long long int*, long long int)':
ricehub.cpp:29:12: error: 'n' was not declared in this scope
return n-res;
^
ricehub.cpp:29:12: note: suggested alternative: 'fn'
return n-res;
^
fn
