#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
int besthub(int R, int L, int X[], long long B) {
auto cost = [&](int x, int y) { return abs(X[x] - X[y]); };
int ans = 1;
int pb = 0;
int l, r;
l = r = 0;
for (; l + 1 < R;) {
while (r + 1 < R) {
int lm = (l + r) / 2;
int cm = (l + r + 1) / 2;
int cb = pb;
if (lm != cm) {
cb += (lm - l + 1) * cost(cm, lm);
cb -= (r - cm + 1) * cost(cm, lm);
}
cb += cost(cm, r + 1);
cerr << l << " " << r + 1 << " " << cb << " " << endl;
if (cb > B)
break;
pb = cb;
r++;
}
ans = max(ans, r - l + 1);
// l++;
int lm = (l + r) / 2;
int cm = (l + r + 1) / 2;
if (lm != cm) {
pb += (lm - l + 1) * cost(cm, lm);
pb -= (r - cm + 1) * cost(cm, lm);
}
pb -= cost(cm, l);
l++;
r = max(r, l);
cerr << "-----" << l << " " << r << " " << pb << " " << endl;
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
300 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
3 ms |
300 KB |
Output is correct |
5 |
Correct |
3 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
3 ms |
204 KB |
Output is correct |
6 |
Correct |
3 ms |
204 KB |
Output is correct |
7 |
Correct |
3 ms |
204 KB |
Output is correct |
8 |
Correct |
3 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
300 KB |
Output is correct |
11 |
Correct |
2 ms |
296 KB |
Output is correct |
12 |
Correct |
2 ms |
204 KB |
Output is correct |
13 |
Correct |
2 ms |
300 KB |
Output is correct |
14 |
Correct |
2 ms |
204 KB |
Output is correct |
15 |
Correct |
3 ms |
292 KB |
Output is correct |
16 |
Correct |
3 ms |
204 KB |
Output is correct |
17 |
Correct |
2 ms |
204 KB |
Output is correct |
18 |
Correct |
2 ms |
204 KB |
Output is correct |
19 |
Correct |
5 ms |
300 KB |
Output is correct |
20 |
Correct |
3 ms |
204 KB |
Output is correct |
21 |
Correct |
17 ms |
308 KB |
Output is correct |
22 |
Correct |
17 ms |
332 KB |
Output is correct |
23 |
Correct |
13 ms |
312 KB |
Output is correct |
24 |
Correct |
14 ms |
332 KB |
Output is correct |
25 |
Correct |
14 ms |
312 KB |
Output is correct |
26 |
Correct |
13 ms |
332 KB |
Output is correct |
27 |
Correct |
15 ms |
316 KB |
Output is correct |
28 |
Correct |
16 ms |
324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
204 KB |
Output is correct |
2 |
Correct |
6 ms |
204 KB |
Output is correct |
3 |
Correct |
21 ms |
348 KB |
Output is correct |
4 |
Correct |
22 ms |
332 KB |
Output is correct |
5 |
Correct |
16 ms |
316 KB |
Output is correct |
6 |
Correct |
17 ms |
204 KB |
Output is correct |
7 |
Correct |
34 ms |
316 KB |
Output is correct |
8 |
Correct |
33 ms |
332 KB |
Output is correct |
9 |
Correct |
16 ms |
332 KB |
Output is correct |
10 |
Correct |
16 ms |
324 KB |
Output is correct |
11 |
Correct |
26 ms |
324 KB |
Output is correct |
12 |
Correct |
26 ms |
328 KB |
Output is correct |
13 |
Correct |
24 ms |
320 KB |
Output is correct |
14 |
Correct |
24 ms |
348 KB |
Output is correct |
15 |
Correct |
15 ms |
332 KB |
Output is correct |
16 |
Correct |
16 ms |
316 KB |
Output is correct |
17 |
Correct |
19 ms |
316 KB |
Output is correct |
18 |
Correct |
19 ms |
204 KB |
Output is correct |
19 |
Correct |
24 ms |
332 KB |
Output is correct |
20 |
Correct |
24 ms |
336 KB |
Output is correct |
21 |
Correct |
170 ms |
520 KB |
Output is correct |
22 |
Correct |
171 ms |
604 KB |
Output is correct |
23 |
Correct |
116 ms |
476 KB |
Output is correct |
24 |
Correct |
117 ms |
452 KB |
Output is correct |
25 |
Correct |
115 ms |
596 KB |
Output is correct |
26 |
Correct |
115 ms |
520 KB |
Output is correct |
27 |
Correct |
135 ms |
576 KB |
Output is correct |
28 |
Correct |
136 ms |
580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
677 ms |
1604 KB |
Output is correct |
2 |
Correct |
677 ms |
1696 KB |
Output is correct |
3 |
Execution timed out |
1089 ms |
3012 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |