#include "bits/stdc++.h"
using namespace std;
using ll = long long;
#define pb push_back
#define sz(v) ((int)v.size())
const ll inf = 1e16;
vector<int> nm;
int bs(int x) {
int l, r, m;
l = 0;
r = sz(nm);
while (l < r) {
m = (l+r)/2;
if (nm[m] <= x)
l = m+1;
else
r = m;
}
return l;
}
struct aib {
int n;
vector<int> f;
aib(int _n) : n(_n)
{
f.assign(n, 0);
}
void upd(int x, int v) {
f[x] = max(f[x], v);
for (; x < n; x |= (x+1))
f[x] = max(f[x], v);
}
int qry(int x) {
int r = 0;
for (; x >=0; x = (x&(x+1))-1)
r = max(f[x], r);
return r;
}
};
int main() {
int n, d;
cin >> n >> d;
vector<int> t(n);
for (int i = 0; i < n; ++i)
cin >> t[i];
nm = t;
sort(nm.begin(), nm.end());
nm.erase(unique(nm.begin(), nm.end()), nm.end());
aib z[2] {sz(nm)+5, sz(nm)+5};
for (auto x : t) {
z[1].upd(bs(x), 1 + z[1].qry(bs(x-1)));
z[1].upd(bs(x), 1 + z[0].qry(bs(x + d-1)));
z[0].upd(bs(x), 1 + z[0].qry(bs(x-1)));
}
cout << max(z[0].qry(sz(nm)+4), z[1].qry(sz(nm)+4)) << endl;;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
296 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
296 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
300 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
296 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
300 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
296 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
300 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
296 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
300 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
210 ms |
3428 KB |
Output is correct |
2 |
Correct |
215 ms |
3396 KB |
Output is correct |
3 |
Correct |
216 ms |
3372 KB |
Output is correct |
4 |
Correct |
211 ms |
3428 KB |
Output is correct |
5 |
Correct |
97 ms |
2648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
48 ms |
1072 KB |
Output is correct |
2 |
Correct |
48 ms |
1080 KB |
Output is correct |
3 |
Correct |
47 ms |
1076 KB |
Output is correct |
4 |
Correct |
23 ms |
852 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
24 ms |
1084 KB |
Output is correct |
7 |
Correct |
42 ms |
1512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
92 ms |
1860 KB |
Output is correct |
2 |
Correct |
92 ms |
1848 KB |
Output is correct |
3 |
Correct |
193 ms |
3404 KB |
Output is correct |
4 |
Correct |
93 ms |
2636 KB |
Output is correct |
5 |
Correct |
59 ms |
1748 KB |
Output is correct |
6 |
Correct |
106 ms |
3224 KB |
Output is correct |
7 |
Correct |
120 ms |
3204 KB |
Output is correct |
8 |
Correct |
80 ms |
1848 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
296 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
296 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
300 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
296 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
300 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
210 ms |
3428 KB |
Output is correct |
28 |
Correct |
215 ms |
3396 KB |
Output is correct |
29 |
Correct |
216 ms |
3372 KB |
Output is correct |
30 |
Correct |
211 ms |
3428 KB |
Output is correct |
31 |
Correct |
97 ms |
2648 KB |
Output is correct |
32 |
Correct |
48 ms |
1072 KB |
Output is correct |
33 |
Correct |
48 ms |
1080 KB |
Output is correct |
34 |
Correct |
47 ms |
1076 KB |
Output is correct |
35 |
Correct |
23 ms |
852 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
24 ms |
1084 KB |
Output is correct |
38 |
Correct |
42 ms |
1512 KB |
Output is correct |
39 |
Correct |
92 ms |
1860 KB |
Output is correct |
40 |
Correct |
92 ms |
1848 KB |
Output is correct |
41 |
Correct |
193 ms |
3404 KB |
Output is correct |
42 |
Correct |
93 ms |
2636 KB |
Output is correct |
43 |
Correct |
59 ms |
1748 KB |
Output is correct |
44 |
Correct |
106 ms |
3224 KB |
Output is correct |
45 |
Correct |
120 ms |
3204 KB |
Output is correct |
46 |
Correct |
80 ms |
1848 KB |
Output is correct |
47 |
Correct |
100 ms |
2728 KB |
Output is correct |
48 |
Correct |
99 ms |
2824 KB |
Output is correct |
49 |
Correct |
215 ms |
5280 KB |
Output is correct |
50 |
Correct |
98 ms |
3804 KB |
Output is correct |
51 |
Correct |
91 ms |
3108 KB |
Output is correct |
52 |
Correct |
157 ms |
4716 KB |
Output is correct |
53 |
Correct |
111 ms |
4684 KB |
Output is correct |
54 |
Correct |
128 ms |
5380 KB |
Output is correct |
55 |
Correct |
181 ms |
5324 KB |
Output is correct |