#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define all(a) a.begin(), a.end()
using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using vi = vector<int>;
using oset = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
const int R = (1 << 19);
vi t(R * 2, 0);
void update(int i, int x) {
int v = R + i;
t[v] = x;
v >>= 1;
while (v > 0) {
t[v] = max(t[v << 1], t[(v << 1) ^ 1]);
v >>= 1;
}
}
int get_max(int l, int r) {
l += R;
r += R;
int res = 0;
while (l < r) {
if (l & 1) {
res = max(res, t[l]);
++l;
}
if (!(r & 1)) {
res = max(res, t[r]);
--r;
}
l >>= 1;
r >>= 1;
}
if (l == r)
res = max(res, t[l]);
return res;
}
vi t1(R * 2, R);
void update1(int ql, int qr, int x, int v = 1, int l = 0, int r = R) {
if (ql >= r || l >= qr)
return;
if (ql <= l && r <= qr) {
t1[v] = min(t1[v], x);
return;
}
int m = (l + r) / 2;
update1(ql, qr, x, (v << 1), l, m);
update1(ql, qr, x, ((v << 1) ^ 1), m, r);
}
int get1(int i) {
int v = R + i, res = R;
while (v > 0) {
res = min(res, t1[v]);
v >>= 1;
}
return res;
}
void compress(vi &a) {
vi b = a;
sort(all(b));
for (int &x: a)
x = lower_bound(all(b), x) - b.begin();
}
int main() {
fast;
int n, d;
cin >> n >> d;
vi a(n);
for (int i = 0; i < n; ++i)
cin >> a[i];
compress(a);
vi r(n);
multiset<int> s;
for (int i = n - d; i < n; ++i) {
r[i] = n;
s.insert(a[i]);
}
for (int i = n - d - 1; i >= 0; --i) {
update1(0, *s.begin(), i);
r[i] = min(get1(a[i]) + d, n);
s.erase(s.find(a[i + d]));
s.insert(a[i]);
}
vi b(n);
vector<multiset<int>> c(n);
for (int i = 0; i < n; ++i)
c[i].insert(0);
multiset<tuple<int, int, int>> ss;
for (int i = 0; i < n; ++i) {
b[i] = get_max(0, a[i] - 1) + 1;
ss.emplace(r[i], a[i], b[i]);
c[a[i]].insert(b[i]);
update(a[i], *(--c[a[i]].end()));
while (!ss.empty() && get<0>(*ss.begin()) == i) {
c[get<1>(*ss.begin())].erase(c[get<1>(*ss.begin())].find(get<2>(*ss.begin())));
update(get<1>(*ss.begin()), *(--c[get<1>(*ss.begin())].end()));
ss.erase(ss.begin());
}
}
int ans = 0;
for (int i = 0; i < n; ++i) {
if (r[i] >= n - 1)
ans = max(ans, b[i]);
}
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8536 KB |
Output is correct |
2 |
Correct |
3 ms |
8540 KB |
Output is correct |
3 |
Correct |
3 ms |
8540 KB |
Output is correct |
4 |
Correct |
3 ms |
8540 KB |
Output is correct |
5 |
Correct |
3 ms |
8540 KB |
Output is correct |
6 |
Correct |
2 ms |
8540 KB |
Output is correct |
7 |
Correct |
2 ms |
8540 KB |
Output is correct |
8 |
Correct |
3 ms |
8540 KB |
Output is correct |
9 |
Correct |
3 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
8536 KB |
Output is correct |
11 |
Correct |
3 ms |
8792 KB |
Output is correct |
12 |
Correct |
3 ms |
8540 KB |
Output is correct |
13 |
Correct |
2 ms |
8540 KB |
Output is correct |
14 |
Correct |
3 ms |
8540 KB |
Output is correct |
15 |
Correct |
3 ms |
8540 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
3 ms |
8540 KB |
Output is correct |
18 |
Correct |
3 ms |
8540 KB |
Output is correct |
19 |
Correct |
7 ms |
8540 KB |
Output is correct |
20 |
Correct |
3 ms |
8612 KB |
Output is correct |
21 |
Correct |
3 ms |
8540 KB |
Output is correct |
22 |
Correct |
3 ms |
8540 KB |
Output is correct |
23 |
Correct |
3 ms |
8540 KB |
Output is correct |
24 |
Correct |
3 ms |
8540 KB |
Output is correct |
25 |
Correct |
3 ms |
8792 KB |
Output is correct |
26 |
Correct |
3 ms |
8696 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8536 KB |
Output is correct |
2 |
Correct |
3 ms |
8540 KB |
Output is correct |
3 |
Correct |
3 ms |
8540 KB |
Output is correct |
4 |
Correct |
3 ms |
8540 KB |
Output is correct |
5 |
Correct |
3 ms |
8540 KB |
Output is correct |
6 |
Correct |
2 ms |
8540 KB |
Output is correct |
7 |
Correct |
2 ms |
8540 KB |
Output is correct |
8 |
Correct |
3 ms |
8540 KB |
Output is correct |
9 |
Correct |
3 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
8536 KB |
Output is correct |
11 |
Correct |
3 ms |
8792 KB |
Output is correct |
12 |
Correct |
3 ms |
8540 KB |
Output is correct |
13 |
Correct |
2 ms |
8540 KB |
Output is correct |
14 |
Correct |
3 ms |
8540 KB |
Output is correct |
15 |
Correct |
3 ms |
8540 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
3 ms |
8540 KB |
Output is correct |
18 |
Correct |
3 ms |
8540 KB |
Output is correct |
19 |
Correct |
7 ms |
8540 KB |
Output is correct |
20 |
Correct |
3 ms |
8612 KB |
Output is correct |
21 |
Correct |
3 ms |
8540 KB |
Output is correct |
22 |
Correct |
3 ms |
8540 KB |
Output is correct |
23 |
Correct |
3 ms |
8540 KB |
Output is correct |
24 |
Correct |
3 ms |
8540 KB |
Output is correct |
25 |
Correct |
3 ms |
8792 KB |
Output is correct |
26 |
Correct |
3 ms |
8696 KB |
Output is correct |
27 |
Correct |
3 ms |
8540 KB |
Output is correct |
28 |
Correct |
3 ms |
8540 KB |
Output is correct |
29 |
Correct |
3 ms |
8540 KB |
Output is correct |
30 |
Correct |
4 ms |
8540 KB |
Output is correct |
31 |
Correct |
3 ms |
8540 KB |
Output is correct |
32 |
Correct |
3 ms |
8540 KB |
Output is correct |
33 |
Correct |
3 ms |
8540 KB |
Output is correct |
34 |
Correct |
3 ms |
8536 KB |
Output is correct |
35 |
Correct |
3 ms |
8540 KB |
Output is correct |
36 |
Correct |
3 ms |
8540 KB |
Output is correct |
37 |
Correct |
3 ms |
8540 KB |
Output is correct |
38 |
Correct |
3 ms |
8544 KB |
Output is correct |
39 |
Correct |
3 ms |
8564 KB |
Output is correct |
40 |
Correct |
4 ms |
8540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8536 KB |
Output is correct |
2 |
Correct |
3 ms |
8540 KB |
Output is correct |
3 |
Correct |
3 ms |
8540 KB |
Output is correct |
4 |
Correct |
3 ms |
8540 KB |
Output is correct |
5 |
Correct |
3 ms |
8540 KB |
Output is correct |
6 |
Correct |
2 ms |
8540 KB |
Output is correct |
7 |
Correct |
2 ms |
8540 KB |
Output is correct |
8 |
Correct |
3 ms |
8540 KB |
Output is correct |
9 |
Correct |
3 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
8536 KB |
Output is correct |
11 |
Correct |
3 ms |
8792 KB |
Output is correct |
12 |
Correct |
3 ms |
8540 KB |
Output is correct |
13 |
Correct |
2 ms |
8540 KB |
Output is correct |
14 |
Correct |
3 ms |
8540 KB |
Output is correct |
15 |
Correct |
3 ms |
8540 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
3 ms |
8540 KB |
Output is correct |
18 |
Correct |
3 ms |
8540 KB |
Output is correct |
19 |
Correct |
7 ms |
8540 KB |
Output is correct |
20 |
Correct |
3 ms |
8612 KB |
Output is correct |
21 |
Correct |
3 ms |
8540 KB |
Output is correct |
22 |
Correct |
3 ms |
8540 KB |
Output is correct |
23 |
Correct |
3 ms |
8540 KB |
Output is correct |
24 |
Correct |
3 ms |
8540 KB |
Output is correct |
25 |
Correct |
3 ms |
8792 KB |
Output is correct |
26 |
Correct |
3 ms |
8696 KB |
Output is correct |
27 |
Correct |
3 ms |
8540 KB |
Output is correct |
28 |
Correct |
3 ms |
8540 KB |
Output is correct |
29 |
Correct |
3 ms |
8540 KB |
Output is correct |
30 |
Correct |
4 ms |
8540 KB |
Output is correct |
31 |
Correct |
3 ms |
8540 KB |
Output is correct |
32 |
Correct |
3 ms |
8540 KB |
Output is correct |
33 |
Correct |
3 ms |
8540 KB |
Output is correct |
34 |
Correct |
3 ms |
8536 KB |
Output is correct |
35 |
Correct |
3 ms |
8540 KB |
Output is correct |
36 |
Correct |
3 ms |
8540 KB |
Output is correct |
37 |
Correct |
3 ms |
8540 KB |
Output is correct |
38 |
Correct |
3 ms |
8544 KB |
Output is correct |
39 |
Correct |
3 ms |
8564 KB |
Output is correct |
40 |
Correct |
4 ms |
8540 KB |
Output is correct |
41 |
Correct |
7 ms |
9304 KB |
Output is correct |
42 |
Correct |
7 ms |
9308 KB |
Output is correct |
43 |
Correct |
6 ms |
9564 KB |
Output is correct |
44 |
Correct |
7 ms |
9564 KB |
Output is correct |
45 |
Correct |
9 ms |
10076 KB |
Output is correct |
46 |
Correct |
8 ms |
10520 KB |
Output is correct |
47 |
Correct |
7 ms |
9244 KB |
Output is correct |
48 |
Correct |
8 ms |
9564 KB |
Output is correct |
49 |
Correct |
8 ms |
9680 KB |
Output is correct |
50 |
Correct |
11 ms |
9700 KB |
Output is correct |
51 |
Correct |
7 ms |
9304 KB |
Output is correct |
52 |
Correct |
7 ms |
9308 KB |
Output is correct |
53 |
Correct |
7 ms |
9420 KB |
Output is correct |
54 |
Correct |
7 ms |
9308 KB |
Output is correct |
55 |
Correct |
9 ms |
10076 KB |
Output is correct |
56 |
Correct |
8 ms |
10032 KB |
Output is correct |
57 |
Correct |
8 ms |
10076 KB |
Output is correct |
58 |
Correct |
7 ms |
10332 KB |
Output is correct |
59 |
Correct |
7 ms |
10332 KB |
Output is correct |
60 |
Correct |
7 ms |
10072 KB |
Output is correct |
61 |
Correct |
8 ms |
10072 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
213 ms |
72988 KB |
Output is correct |
2 |
Correct |
175 ms |
44988 KB |
Output is correct |
3 |
Correct |
193 ms |
43372 KB |
Output is correct |
4 |
Correct |
300 ms |
43076 KB |
Output is correct |
5 |
Correct |
230 ms |
43224 KB |
Output is correct |
6 |
Correct |
295 ms |
43468 KB |
Output is correct |
7 |
Correct |
159 ms |
42816 KB |
Output is correct |
8 |
Correct |
202 ms |
75712 KB |
Output is correct |
9 |
Correct |
175 ms |
43224 KB |
Output is correct |
10 |
Correct |
195 ms |
59324 KB |
Output is correct |
11 |
Correct |
234 ms |
43196 KB |
Output is correct |
12 |
Correct |
243 ms |
43280 KB |
Output is correct |
13 |
Correct |
258 ms |
43204 KB |
Output is correct |
14 |
Correct |
316 ms |
43456 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
247 ms |
87272 KB |
Output is correct |
2 |
Correct |
472 ms |
87236 KB |
Output is correct |
3 |
Correct |
613 ms |
87320 KB |
Output is correct |
4 |
Correct |
684 ms |
87564 KB |
Output is correct |
5 |
Correct |
544 ms |
87128 KB |
Output is correct |
6 |
Correct |
669 ms |
87408 KB |
Output is correct |
7 |
Correct |
219 ms |
87264 KB |
Output is correct |
8 |
Correct |
213 ms |
87232 KB |
Output is correct |
9 |
Correct |
249 ms |
86736 KB |
Output is correct |
10 |
Correct |
381 ms |
87068 KB |
Output is correct |
11 |
Correct |
651 ms |
87224 KB |
Output is correct |
12 |
Correct |
508 ms |
87240 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8536 KB |
Output is correct |
2 |
Correct |
3 ms |
8540 KB |
Output is correct |
3 |
Correct |
3 ms |
8540 KB |
Output is correct |
4 |
Correct |
3 ms |
8540 KB |
Output is correct |
5 |
Correct |
3 ms |
8540 KB |
Output is correct |
6 |
Correct |
2 ms |
8540 KB |
Output is correct |
7 |
Correct |
2 ms |
8540 KB |
Output is correct |
8 |
Correct |
3 ms |
8540 KB |
Output is correct |
9 |
Correct |
3 ms |
8540 KB |
Output is correct |
10 |
Correct |
3 ms |
8536 KB |
Output is correct |
11 |
Correct |
3 ms |
8792 KB |
Output is correct |
12 |
Correct |
3 ms |
8540 KB |
Output is correct |
13 |
Correct |
2 ms |
8540 KB |
Output is correct |
14 |
Correct |
3 ms |
8540 KB |
Output is correct |
15 |
Correct |
3 ms |
8540 KB |
Output is correct |
16 |
Correct |
2 ms |
8540 KB |
Output is correct |
17 |
Correct |
3 ms |
8540 KB |
Output is correct |
18 |
Correct |
3 ms |
8540 KB |
Output is correct |
19 |
Correct |
7 ms |
8540 KB |
Output is correct |
20 |
Correct |
3 ms |
8612 KB |
Output is correct |
21 |
Correct |
3 ms |
8540 KB |
Output is correct |
22 |
Correct |
3 ms |
8540 KB |
Output is correct |
23 |
Correct |
3 ms |
8540 KB |
Output is correct |
24 |
Correct |
3 ms |
8540 KB |
Output is correct |
25 |
Correct |
3 ms |
8792 KB |
Output is correct |
26 |
Correct |
3 ms |
8696 KB |
Output is correct |
27 |
Correct |
3 ms |
8540 KB |
Output is correct |
28 |
Correct |
3 ms |
8540 KB |
Output is correct |
29 |
Correct |
3 ms |
8540 KB |
Output is correct |
30 |
Correct |
4 ms |
8540 KB |
Output is correct |
31 |
Correct |
3 ms |
8540 KB |
Output is correct |
32 |
Correct |
3 ms |
8540 KB |
Output is correct |
33 |
Correct |
3 ms |
8540 KB |
Output is correct |
34 |
Correct |
3 ms |
8536 KB |
Output is correct |
35 |
Correct |
3 ms |
8540 KB |
Output is correct |
36 |
Correct |
3 ms |
8540 KB |
Output is correct |
37 |
Correct |
3 ms |
8540 KB |
Output is correct |
38 |
Correct |
3 ms |
8544 KB |
Output is correct |
39 |
Correct |
3 ms |
8564 KB |
Output is correct |
40 |
Correct |
4 ms |
8540 KB |
Output is correct |
41 |
Correct |
7 ms |
9304 KB |
Output is correct |
42 |
Correct |
7 ms |
9308 KB |
Output is correct |
43 |
Correct |
6 ms |
9564 KB |
Output is correct |
44 |
Correct |
7 ms |
9564 KB |
Output is correct |
45 |
Correct |
9 ms |
10076 KB |
Output is correct |
46 |
Correct |
8 ms |
10520 KB |
Output is correct |
47 |
Correct |
7 ms |
9244 KB |
Output is correct |
48 |
Correct |
8 ms |
9564 KB |
Output is correct |
49 |
Correct |
8 ms |
9680 KB |
Output is correct |
50 |
Correct |
11 ms |
9700 KB |
Output is correct |
51 |
Correct |
7 ms |
9304 KB |
Output is correct |
52 |
Correct |
7 ms |
9308 KB |
Output is correct |
53 |
Correct |
7 ms |
9420 KB |
Output is correct |
54 |
Correct |
7 ms |
9308 KB |
Output is correct |
55 |
Correct |
9 ms |
10076 KB |
Output is correct |
56 |
Correct |
8 ms |
10032 KB |
Output is correct |
57 |
Correct |
8 ms |
10076 KB |
Output is correct |
58 |
Correct |
7 ms |
10332 KB |
Output is correct |
59 |
Correct |
7 ms |
10332 KB |
Output is correct |
60 |
Correct |
7 ms |
10072 KB |
Output is correct |
61 |
Correct |
8 ms |
10072 KB |
Output is correct |
62 |
Correct |
213 ms |
72988 KB |
Output is correct |
63 |
Correct |
175 ms |
44988 KB |
Output is correct |
64 |
Correct |
193 ms |
43372 KB |
Output is correct |
65 |
Correct |
300 ms |
43076 KB |
Output is correct |
66 |
Correct |
230 ms |
43224 KB |
Output is correct |
67 |
Correct |
295 ms |
43468 KB |
Output is correct |
68 |
Correct |
159 ms |
42816 KB |
Output is correct |
69 |
Correct |
202 ms |
75712 KB |
Output is correct |
70 |
Correct |
175 ms |
43224 KB |
Output is correct |
71 |
Correct |
195 ms |
59324 KB |
Output is correct |
72 |
Correct |
234 ms |
43196 KB |
Output is correct |
73 |
Correct |
243 ms |
43280 KB |
Output is correct |
74 |
Correct |
258 ms |
43204 KB |
Output is correct |
75 |
Correct |
316 ms |
43456 KB |
Output is correct |
76 |
Correct |
247 ms |
87272 KB |
Output is correct |
77 |
Correct |
472 ms |
87236 KB |
Output is correct |
78 |
Correct |
613 ms |
87320 KB |
Output is correct |
79 |
Correct |
684 ms |
87564 KB |
Output is correct |
80 |
Correct |
544 ms |
87128 KB |
Output is correct |
81 |
Correct |
669 ms |
87408 KB |
Output is correct |
82 |
Correct |
219 ms |
87264 KB |
Output is correct |
83 |
Correct |
213 ms |
87232 KB |
Output is correct |
84 |
Correct |
249 ms |
86736 KB |
Output is correct |
85 |
Correct |
381 ms |
87068 KB |
Output is correct |
86 |
Correct |
651 ms |
87224 KB |
Output is correct |
87 |
Correct |
508 ms |
87240 KB |
Output is correct |
88 |
Correct |
271 ms |
43464 KB |
Output is correct |
89 |
Correct |
337 ms |
43868 KB |
Output is correct |
90 |
Correct |
380 ms |
52168 KB |
Output is correct |
91 |
Correct |
644 ms |
72524 KB |
Output is correct |
92 |
Correct |
390 ms |
76184 KB |
Output is correct |
93 |
Correct |
609 ms |
76792 KB |
Output is correct |
94 |
Correct |
653 ms |
86020 KB |
Output is correct |
95 |
Correct |
281 ms |
43636 KB |
Output is correct |
96 |
Correct |
354 ms |
48068 KB |
Output is correct |
97 |
Correct |
428 ms |
54484 KB |
Output is correct |
98 |
Correct |
582 ms |
72248 KB |
Output is correct |
99 |
Correct |
618 ms |
75704 KB |
Output is correct |
100 |
Correct |
592 ms |
75844 KB |
Output is correct |
101 |
Correct |
180 ms |
43456 KB |
Output is correct |
102 |
Correct |
215 ms |
43220 KB |
Output is correct |
103 |
Correct |
248 ms |
43216 KB |
Output is correct |
104 |
Correct |
298 ms |
44220 KB |
Output is correct |
105 |
Correct |
421 ms |
54044 KB |
Output is correct |
106 |
Correct |
336 ms |
74568 KB |
Output is correct |
107 |
Correct |
384 ms |
75980 KB |
Output is correct |
108 |
Correct |
606 ms |
76492 KB |
Output is correct |
109 |
Correct |
265 ms |
43452 KB |
Output is correct |
110 |
Correct |
463 ms |
64788 KB |
Output is correct |
111 |
Correct |
527 ms |
71356 KB |
Output is correct |
112 |
Correct |
387 ms |
70592 KB |
Output is correct |
113 |
Correct |
592 ms |
76528 KB |
Output is correct |
114 |
Correct |
561 ms |
76216 KB |
Output is correct |
115 |
Correct |
220 ms |
90232 KB |
Output is correct |
116 |
Correct |
217 ms |
90032 KB |
Output is correct |
117 |
Correct |
266 ms |
83456 KB |
Output is correct |
118 |
Correct |
265 ms |
83128 KB |
Output is correct |
119 |
Correct |
333 ms |
76128 KB |
Output is correct |
120 |
Correct |
326 ms |
76020 KB |
Output is correct |