#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define debug(x) cerr << #x << ": " << x << endl
#define debug2(x, y) debug(x), debug(y)
#define repn(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define rep(i, a) for(int i = 0; i < (int)(a); i++)
#define all(v) v.begin(), v.end()
#define mp make_pair
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define sq(x) ((x) * (x))
const int mxN = 1e5 + 5;
template<class T> T gcd(T a, T b){ return ((b == 0) ? a : gcd(b, a % b)); }
int n;
ll tot;
int x[mxN];
ll psum[mxN];
bool check(int g){
if(g == 1) return 1;
rep(i, n - g + 1){
//we have the segment [i, i + g)
int nm = g / 2;
ll sm = psum[i + nm - 1] - (i ? psum[i - 1] : 0);
ll sm1 = x[i + nm] * nm;
ll cur = sm1 - sm;
ll sm2 = psum[i + g - 1] - psum[i + nm];
ll sm3 = x[i + nm] * (g - nm - 1);
cur += sm2 - sm3;
if(cur <= tot) return 1;
}
return 0;
}
int besthub(int R, int L, int X[], ll B){
n = R;
tot = B;
rep(i, n) x[i] = X[i];
int l = 1, r = n;
psum[0] = x[0];
repn(i, 1, n) psum[i] = psum[i - 1] + x[i];
while(l < r){
int mid = (l + r + 1) / 2;
if(check(mid)) l = mid;
else r = mid - 1;
}
return l;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
512 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
0 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
256 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
372 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
384 KB |
Output is correct |
| 28 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
512 KB |
Output is correct |
| 26 |
Correct |
2 ms |
512 KB |
Output is correct |
| 27 |
Correct |
1 ms |
512 KB |
Output is correct |
| 28 |
Correct |
1 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
768 KB |
Output is correct |
| 2 |
Correct |
4 ms |
768 KB |
Output is correct |
| 3 |
Correct |
18 ms |
2932 KB |
Output is correct |
| 4 |
Correct |
18 ms |
2908 KB |
Output is correct |
| 5 |
Correct |
8 ms |
1408 KB |
Output is correct |
| 6 |
Correct |
10 ms |
1408 KB |
Output is correct |
| 7 |
Correct |
14 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
15 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
11 ms |
1408 KB |
Output is correct |
| 10 |
Correct |
8 ms |
1408 KB |
Output is correct |
| 11 |
Correct |
18 ms |
2940 KB |
Output is correct |
| 12 |
Correct |
19 ms |
2944 KB |
Output is correct |
| 13 |
Correct |
9 ms |
1536 KB |
Output is correct |
| 14 |
Correct |
9 ms |
1536 KB |
Output is correct |
| 15 |
Correct |
14 ms |
2432 KB |
Output is correct |
| 16 |
Correct |
16 ms |
2304 KB |
Output is correct |
| 17 |
Correct |
16 ms |
2680 KB |
Output is correct |
| 18 |
Correct |
19 ms |
2688 KB |
Output is correct |
| 19 |
Correct |
17 ms |
2808 KB |
Output is correct |
| 20 |
Correct |
17 ms |
2816 KB |
Output is correct |
