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>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
template <class T> using ot = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define ins insert
#define pb push_back
// #define int long long int
#define pii pair<int, int>
#define endl '\n'
#define drop(x) cout<<(x)<<endl; return;
#define all(x) x.begin(),x.end()
const int sze=1e5 +10;
pair<int,int> T[sze+10];
const int inf = INT_MAX;
void upd(int node,int v,int y){
node++;
while(node<=sze){
T[node].first+=v;
T[node].second+=y;
node += (node & -node);
}
}
pair<int,int> qry(int node){
node++;
pair<int,int> res;
while(node>0){
res.first+=T[node].first;
res.second += T[node].second;
node -= (node & -node);
}
return res;
}
int besthub(int n, int mxL, int arr[], long long B){
int ans=1;
/*
her i ucun ele j tapaqki :
j<i
j ni goturmesek i+1 right terefden nese ekstra goture bilirik
*/
int l =1;
int r = n;
vector<int> pref(n+1,0);
for(int i=0;i<n;i++){
pref[i]+=arr[i];
if(i){
pref[i]+=pref[i-1];
}
}
auto calc = [&](int lx,int rx,int orta){
return arr[orta]*(orta-lx) - (orta?pref[orta-1] - (lx?pref[lx - 1]:0):0) +
pref[rx] - pref[orta] - arr[orta]*(rx-orta);
};
while(l<=r){
int mid = (l+r)/2;
bool check=false;
int x = mid%2 ;
for(int i =0;i<=n-mid;i++){
int c =0;
int lx = i;
int rx = i+mid-1;
int orta = (lx+rx)/2;
c = calc(lx,rx,orta);
if(c<=B){
check=true;
break;
}
}
if(check){
ans=max(ans,mid);
l=mid+1;
}
else{
r=mid-1;
}
}
return ans;
}
Compilation message (stderr)
ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:69:13: warning: unused variable 'x' [-Wunused-variable]
69 | int x = mid%2 ;
| ^
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