#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
ll pref[100010];
ll sum(int i, int j){ return pref[j+1]-pref[i]; }
int besthub(int n, int m, int a[], ll k)
{
pref[0] = 0;
for(int i = 0; i < n; i++)
pref[i+1] = pref[i]+(ll)a[i];
int l = 1, r = n;
while(l<r){
int mid = (l+r+1)/2; ll mn = (ll)4e18;
for(int i = 0; i <= n-mid; i++){
int j = i+mid-1; int med = (i+j)/2;
ll sum1 = (ll)a[med]*(med-i+1)-sum(i,med);
ll sum2 = sum1+sum(med+1,j)-a[med]*(j-med);
mn = min(mn, sum1+sum2);
if(med-1>=i){
med--;
sum1 = (ll)a[med]*(med-i+1)-sum(i,med);
sum2 = sum1+sum(med+1,j)-a[med]*(j-med);
mn = min(mn, sum1+sum2), med++;
}
if(med+1<=j){
med++;
sum1 = (ll)a[med]*(med-i+1)-sum(i,med);
sum2 = sum1+sum(med+1,j)-a[med]*(j-med);
mn = min(mn, sum1+sum2), med--;
}
}
if(mn<=k) l=mid;
else r = mid-1;
}
return l;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
4 ms |
468 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |