#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;
const int MXN = 1e5+10;
using ll = long long;
int a[MXN];
bool chk(int sz, int R, int B){
int med = (sz+1)>>1;
deque<ll> dq;
ll rightsum = 0, leftsum = 0;
for(int i = 1; i <= med; i++){
leftsum += a[i];
dq.push_back(a[i]);
}
for(int i = med+1; i <= R; i++){
rightsum += a[i];
dq.push_back(a[i]);
if(i >= sz){
ll tot = rightsum - (sz-med)*(dq[med-1]) + (med)*dq[med-1] - leftsum;
if(tot <= B) return true;
leftsum -= dq.front();
leftsum += dq[med];
rightsum -= dq[med];
dq.pop_front();
}
}
return false;
}
ll besthub(int R, int L, int X[], int B){
for(int i = 0; i < R; i++){
a[i+1] = X[i];
}
int l = 2, r = R, ans = 1;
while(l <= r){
int mid = (l+r)>>1;
if(chk(mid, R, B)){
ans = mid;
l = mid+1;
}else{
r = mid-1;
}
}
return ans;
}
/*
int main(void){
int R,L,B; cin >> R >> L >> B;
int X[R] = {};
for(int i = 0; i < R; i++){
cin >> X[i];
}
cout << besthub(R, L, X, B) << "\n";
return 0;
}
*/
Compilation message
/usr/bin/ld: /tmp/ccgK9toH.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
