#include <bits/stdc++.h>
using namespace std;
constexpr int INF = 2e9;
int N, X;
vector<int> T;
int main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin >> N >> X;
T.resize(N);
for (int i = 0; i < N; i++) {
cin >> T[i];
}
int ans = 0;
vector<int> d(N, INF);
vector<int> m(N);
d[0] = -INF;
for (int i = 0; i < N; i++) {
auto it = lower_bound(d.begin(), d.end(), T[i]+X);
m[i] = it - d.begin();
it = lower_bound(d.begin(), d.end(), T[i]);
*it = min(*it, T[i]);
}
fill(d.begin()+1, d.end(), INF);
for (int i = N-1; i >= 0; i--) {
auto it = lower_bound(d.begin(), d.end(), -T[i]);
m[i] += it - d.begin() - 1;
ans = max(ans, m[i]);
*it = min(*it, -T[i]);
}
cout << ans << '\n';
}
| # |
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 |
Correct |
0 ms |
312 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
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 |
Correct |
0 ms |
312 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
324 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
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 |
Correct |
0 ms |
312 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
324 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
324 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
60 ms |
4560 KB |
Output is correct |
| 2 |
Correct |
52 ms |
4556 KB |
Output is correct |
| 3 |
Correct |
51 ms |
4556 KB |
Output is correct |
| 4 |
Correct |
60 ms |
4592 KB |
Output is correct |
| 5 |
Correct |
43 ms |
3784 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
13 ms |
1364 KB |
Output is correct |
| 2 |
Correct |
14 ms |
1404 KB |
Output is correct |
| 3 |
Correct |
13 ms |
1364 KB |
Output is correct |
| 4 |
Correct |
10 ms |
1152 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
11 ms |
1108 KB |
Output is correct |
| 7 |
Correct |
10 ms |
1364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
24 ms |
2388 KB |
Output is correct |
| 2 |
Correct |
25 ms |
2388 KB |
Output is correct |
| 3 |
Correct |
51 ms |
4552 KB |
Output is correct |
| 4 |
Correct |
43 ms |
3832 KB |
Output is correct |
| 5 |
Correct |
18 ms |
2004 KB |
Output is correct |
| 6 |
Correct |
30 ms |
3756 KB |
Output is correct |
| 7 |
Correct |
37 ms |
4404 KB |
Output is correct |
| 8 |
Correct |
19 ms |
2380 KB |
Output is correct |
| # |
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 |
Correct |
0 ms |
312 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
324 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
320 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
324 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
60 ms |
4560 KB |
Output is correct |
| 28 |
Correct |
52 ms |
4556 KB |
Output is correct |
| 29 |
Correct |
51 ms |
4556 KB |
Output is correct |
| 30 |
Correct |
60 ms |
4592 KB |
Output is correct |
| 31 |
Correct |
43 ms |
3784 KB |
Output is correct |
| 32 |
Correct |
13 ms |
1364 KB |
Output is correct |
| 33 |
Correct |
14 ms |
1404 KB |
Output is correct |
| 34 |
Correct |
13 ms |
1364 KB |
Output is correct |
| 35 |
Correct |
10 ms |
1152 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
11 ms |
1108 KB |
Output is correct |
| 38 |
Correct |
10 ms |
1364 KB |
Output is correct |
| 39 |
Correct |
24 ms |
2388 KB |
Output is correct |
| 40 |
Correct |
25 ms |
2388 KB |
Output is correct |
| 41 |
Correct |
51 ms |
4552 KB |
Output is correct |
| 42 |
Correct |
43 ms |
3832 KB |
Output is correct |
| 43 |
Correct |
18 ms |
2004 KB |
Output is correct |
| 44 |
Correct |
30 ms |
3756 KB |
Output is correct |
| 45 |
Correct |
37 ms |
4404 KB |
Output is correct |
| 46 |
Correct |
19 ms |
2380 KB |
Output is correct |
| 47 |
Correct |
27 ms |
2364 KB |
Output is correct |
| 48 |
Correct |
30 ms |
2388 KB |
Output is correct |
| 49 |
Correct |
55 ms |
4592 KB |
Output is correct |
| 50 |
Correct |
40 ms |
3832 KB |
Output is correct |
| 51 |
Correct |
30 ms |
2944 KB |
Output is correct |
| 52 |
Correct |
39 ms |
3916 KB |
Output is correct |
| 53 |
Correct |
31 ms |
3912 KB |
Output is correct |
| 54 |
Correct |
38 ms |
4620 KB |
Output is correct |
| 55 |
Correct |
48 ms |
4564 KB |
Output is correct |
