#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
#define pb push_back
#define mp make_pair
#define all(v) v.begin(),v.end()
const int N = 1e5+7;
vector <ll> pref(N), suff(N), v(N);
int n;
ll getpref(int l, int r){
return pref[r]-1ll*(l-1)*(v[r]-v[l-1])-pref[l-1];
}
ll getsuff(int l, int r){
return suff[l]-1ll*(n-r)*(v[r+1]-v[l])-suff[r+1];
}
bool check2(int l, int r, ll B){
int mid = (l+r) >> 1;
return getpref(l, mid)+getsuff(mid, r) <= B;
}
bool check(int x, ll B){
int flag = 0;
for(int i = 1; i+x-1 <= n; i++){
if(check2(i, i+x-1, B)){
flag++;
break;
}
}
return flag;
}
int besthub(int R, int L, int X[], long long B){
n = R;
int i;
for(i = 0; i < R; i++){
v[i+1] = X[i];
}
for(i = 1; i <= n; i++){
pref[i] = pref[i-1]+1ll*(i-1)*(v[i]-v[i-1]);
}
for(i = n; i; i--){
suff[i] = suff[i+1]+1ll*(n-i)*(v[i+1]-v[i]);
}
int l = 1, r = n;
while(l < r){
int mid = (l+r+1) >> 1;
if(check(mid, B)) l = mid;
else r = mid-1;
}
return l;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2688 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 7 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 14 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 15 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 17 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 18 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2720 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 28 |
Correct |
2 ms |
2688 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 7 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 14 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 15 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 17 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 18 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 20 |
Correct |
3 ms |
2720 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2688 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2688 KB |
Output is correct |
| 26 |
Correct |
3 ms |
2688 KB |
Output is correct |
| 27 |
Correct |
3 ms |
2688 KB |
Output is correct |
| 28 |
Correct |
3 ms |
2688 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 ms |
2816 KB |
Output is correct |
| 2 |
Correct |
7 ms |
2816 KB |
Output is correct |
| 3 |
Correct |
19 ms |
3072 KB |
Output is correct |
| 4 |
Correct |
19 ms |
3072 KB |
Output is correct |
| 5 |
Correct |
11 ms |
2816 KB |
Output is correct |
| 6 |
Correct |
11 ms |
2816 KB |
Output is correct |
| 7 |
Correct |
16 ms |
3072 KB |
Output is correct |
| 8 |
Correct |
15 ms |
3072 KB |
Output is correct |
| 9 |
Correct |
10 ms |
2816 KB |
Output is correct |
| 10 |
Correct |
10 ms |
2816 KB |
Output is correct |
| 11 |
Correct |
20 ms |
3064 KB |
Output is correct |
| 12 |
Correct |
18 ms |
3072 KB |
Output is correct |
| 13 |
Correct |
11 ms |
2944 KB |
Output is correct |
| 14 |
Correct |
11 ms |
2816 KB |
Output is correct |
| 15 |
Correct |
15 ms |
2944 KB |
Output is correct |
| 16 |
Correct |
15 ms |
2944 KB |
Output is correct |
| 17 |
Correct |
17 ms |
3072 KB |
Output is correct |
| 18 |
Correct |
17 ms |
3072 KB |
Output is correct |
| 19 |
Correct |
18 ms |
3104 KB |
Output is correct |
| 20 |
Correct |
19 ms |
3072 KB |
Output is correct |
