#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll ab(ll x){
return max(x, -x);
}
const int N = (int)1e5 + 9;
ll pref[N];
ll rq(int a, int b){
if(a == 0)
return pref[b];
else
return pref[b] - pref[a - 1];
}
int besthub(int n, int L, int X[], ll B){
int l = 1, r = n + 1;
pref[0] = X[0];
for(int i = 1;i < n;i ++ )
pref[i] += pref[i - 1] + X[i];
int k;
bool ok;
int med;
ll sum = 0;
ll s1, s2;
ll D;
while(l + 1 < r){
k = (l + r)/2;
ok = false;
for(int i = 0;i <= n-k;i ++ ){
med = k / 2;
sum = 0;
s1 = rq(i, i + med - 1);
s2 = rq(i + med + 1, i + k - 1);
D = X[i + med];
sum += (1ll * D * med) - s1;
sum += s2 - (1ll * D * (k - med - 1));
if(sum <= B)
ok = true;
}
if(ok)
l = k;
else
r = k;
}
return l;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
460 KB |
Output is correct |
| 3 |
Correct |
3 ms |
460 KB |
Output is correct |
| 4 |
Correct |
3 ms |
528 KB |
Output is correct |
| 5 |
Correct |
3 ms |
564 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
564 KB |
Output is correct |
| 2 |
Correct |
2 ms |
564 KB |
Output is correct |
| 3 |
Correct |
2 ms |
564 KB |
Output is correct |
| 4 |
Correct |
2 ms |
608 KB |
Output is correct |
| 5 |
Correct |
2 ms |
736 KB |
Output is correct |
| 6 |
Correct |
2 ms |
736 KB |
Output is correct |
| 7 |
Correct |
3 ms |
736 KB |
Output is correct |
| 8 |
Correct |
3 ms |
744 KB |
Output is correct |
| 9 |
Correct |
2 ms |
744 KB |
Output is correct |
| 10 |
Correct |
4 ms |
744 KB |
Output is correct |
| 11 |
Correct |
2 ms |
744 KB |
Output is correct |
| 12 |
Correct |
3 ms |
744 KB |
Output is correct |
| 13 |
Correct |
2 ms |
744 KB |
Output is correct |
| 14 |
Correct |
2 ms |
744 KB |
Output is correct |
| 15 |
Correct |
3 ms |
744 KB |
Output is correct |
| 16 |
Correct |
3 ms |
744 KB |
Output is correct |
| 17 |
Correct |
3 ms |
744 KB |
Output is correct |
| 18 |
Correct |
2 ms |
744 KB |
Output is correct |
| 19 |
Correct |
3 ms |
744 KB |
Output is correct |
| 20 |
Correct |
3 ms |
744 KB |
Output is correct |
| 21 |
Correct |
2 ms |
744 KB |
Output is correct |
| 22 |
Correct |
3 ms |
744 KB |
Output is correct |
| 23 |
Correct |
3 ms |
760 KB |
Output is correct |
| 24 |
Correct |
3 ms |
760 KB |
Output is correct |
| 25 |
Correct |
2 ms |
780 KB |
Output is correct |
| 26 |
Correct |
3 ms |
780 KB |
Output is correct |
| 27 |
Correct |
3 ms |
780 KB |
Output is correct |
| 28 |
Correct |
3 ms |
780 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
3 ms |
780 KB |
Output is correct |
| 2 |
Correct |
2 ms |
780 KB |
Output is correct |
| 3 |
Correct |
2 ms |
780 KB |
Output is correct |
| 4 |
Correct |
4 ms |
780 KB |
Output is correct |
| 5 |
Correct |
2 ms |
780 KB |
Output is correct |
| 6 |
Correct |
4 ms |
780 KB |
Output is correct |
| 7 |
Correct |
4 ms |
780 KB |
Output is correct |
| 8 |
Correct |
4 ms |
780 KB |
Output is correct |
| 9 |
Correct |
2 ms |
780 KB |
Output is correct |
| 10 |
Correct |
3 ms |
780 KB |
Output is correct |
| 11 |
Correct |
3 ms |
780 KB |
Output is correct |
| 12 |
Correct |
4 ms |
780 KB |
Output is correct |
| 13 |
Correct |
4 ms |
780 KB |
Output is correct |
| 14 |
Correct |
3 ms |
780 KB |
Output is correct |
| 15 |
Correct |
4 ms |
780 KB |
Output is correct |
| 16 |
Correct |
3 ms |
780 KB |
Output is correct |
| 17 |
Correct |
4 ms |
780 KB |
Output is correct |
| 18 |
Correct |
2 ms |
780 KB |
Output is correct |
| 19 |
Correct |
3 ms |
780 KB |
Output is correct |
| 20 |
Correct |
3 ms |
780 KB |
Output is correct |
| 21 |
Correct |
5 ms |
780 KB |
Output is correct |
| 22 |
Correct |
6 ms |
780 KB |
Output is correct |
| 23 |
Correct |
3 ms |
780 KB |
Output is correct |
| 24 |
Correct |
4 ms |
780 KB |
Output is correct |
| 25 |
Correct |
3 ms |
780 KB |
Output is correct |
| 26 |
Correct |
3 ms |
780 KB |
Output is correct |
| 27 |
Correct |
3 ms |
816 KB |
Output is correct |
| 28 |
Correct |
4 ms |
816 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
888 KB |
Output is correct |
| 2 |
Correct |
7 ms |
888 KB |
Output is correct |
| 3 |
Correct |
23 ms |
1912 KB |
Output is correct |
| 4 |
Correct |
22 ms |
2972 KB |
Output is correct |
| 5 |
Correct |
12 ms |
2972 KB |
Output is correct |
| 6 |
Correct |
14 ms |
3156 KB |
Output is correct |
| 7 |
Correct |
19 ms |
4488 KB |
Output is correct |
| 8 |
Correct |
18 ms |
5308 KB |
Output is correct |
| 9 |
Correct |
11 ms |
5308 KB |
Output is correct |
| 10 |
Correct |
19 ms |
5308 KB |
Output is correct |
| 11 |
Correct |
24 ms |
6912 KB |
Output is correct |
| 12 |
Correct |
24 ms |
7976 KB |
Output is correct |
| 13 |
Correct |
13 ms |
7976 KB |
Output is correct |
| 14 |
Correct |
13 ms |
8148 KB |
Output is correct |
| 15 |
Correct |
20 ms |
9176 KB |
Output is correct |
| 16 |
Correct |
22 ms |
10092 KB |
Output is correct |
| 17 |
Correct |
28 ms |
11188 KB |
Output is correct |
| 18 |
Correct |
20 ms |
12128 KB |
Output is correct |
| 19 |
Correct |
21 ms |
13212 KB |
Output is correct |
| 20 |
Correct |
25 ms |
14220 KB |
Output is correct |
