This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define all(v) v.begin(), v.end()
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
vector<int> v;
int b, n;
bool can(int k){
int med = v[k / 2];
int dst = 0;
for (int i = 0; i < k / 2; i++) {
dst += med - v[i];
}
for (int i = k / 2; i < k; i++) {
dst += v[i] - med;
}
if(dst <= b) return true;
int lmed = med;
for (int i = k; i < n; i++) {
med = v[(i + i - k + 1) / 2];
dst -= med - v[i - k];
dst += v[i] - lmed;
if(dst <= b) return true;
lmed = med;
}
return false;
}
int besthub(int R, int L, int X[], long long B)
{
v.assign(X, X+R);
b = B;
n = R;
int l = 0, r = R, mid;
while(l < r){
mid = (l + r + 1) / 2;
if(can(mid)) l = mid;
else r = mid - 1;
}
return l;
}
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