#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define all(a) (a).begin(), (a).end()
//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast")
#define fr first
#define sc second
#define int long long
#define rc(s) return cout<<s,0
#define rcc(s) cout<<s,exit(0)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int nmax = 300005;
int n, a[nmax], d, tree[4*nmax], tree2[4*nmax], lazy[4*nmax];
vector<int>vecc;
void build(int l, int r, int nod){
if(l == r){
tree[nod] = a[l];
}
else{
int mid = l + (r - l) / 2;
build(l, mid, 2*nod);
build(mid + 1, r, 2*nod+1);
tree[nod] = min(tree[2*nod], tree[2*nod+1]);
}
}
int query1(int l, int r, int le, int ri, int nod){
if(l > ri || r < le) return 1e18;
else if(l >= le && r <= ri) return tree[nod];
else{
int mid = l + (r - l) / 2;
return min(query1(l, mid, le, ri, 2*nod), query1(mid + 1, r, le, ri, 2*nod + 1));
}
}
void push(int l, int r, int nod){
if(lazy[nod] == 1){
tree2[nod] = 0;
if(l != r){
lazy[2*nod] = 1;
lazy[2*nod+1] = 1;
}
lazy[nod] = 0;
}
}
void update2(int l, int r, int le, int ri, int nod){
push(l, r, nod);
if(r < le || l > ri) return;
else if(l >= le && r <= ri){
lazy[nod] = 1;
push(l, r, nod);
}
else{
int mid = l + (r - l) / 2;
update2(l, mid, le, ri, 2*nod);
update2(mid+1, r, le, ri, 2*nod + 1);
tree2[nod] = max(tree2[2*nod], tree2[2*nod + 1]);
}
}
int query2(int l, int r, int le, int ri, int nod){
push(l, r, nod);
if(l > ri || r < le){
return 0;
}
else if(l >= le && r <= ri){
return tree2[nod];
}
else{
int mid = l + (r - l) / 2;
return max(query2(l, mid, le, ri, 2*nod), query2(mid+1, r, le, ri, 2*nod +1));
}
}
void update3(int l, int r, int pos, int val, int nod){
push(l, r, nod);
if(l == r){
tree2[nod] = max(tree2[nod], val);
}
else{
int mid = l + (r - l) / 2;
tree2[nod] = max(tree2[nod], val);
if(pos <= mid){
update3(l, mid, pos, val, 2*nod);
}
else{
update3(mid + 1, r, pos, val, 2*nod + 1);
}
}
}
int32_t main(){
//ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
// freopen("input.in", "r", stdin);
cin >> n >> d;
for(int i=1;i<=n;i++){
cin >> a[i];
vecc.push_back(a[i]);
}
sort(all(vecc));
vecc.resize(unique(all(vecc)) - vecc.begin());
for(int i=1;i<=n;i++) a[i] = lower_bound(all(vecc), a[i]) - vecc.begin() + 1LL;
build(1, n, 1);
int nn = (int)vecc.size();
for(int i=1;i<=n;i++){
if(i >= 2){
int curr = query1(1, n, max(1LL, i - d), i - 1, 1);
if(curr >= 2LL) update2(1, nn, 1, curr - 1LL, 1);
}
int val = 1LL;
if(a[i] >= 2LL){
val += query2(1, nn, 1, a[i] - 1LL, 1);
}
update3(1, nn, a[i], val, 1);
}
cout << tree2[1];
}
// 1. Solve the problem
// 2. ???
// 3. Profit
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
332 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
332 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
332 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
332 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
332 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
332 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
8 ms |
588 KB |
Output is correct |
42 |
Correct |
9 ms |
888 KB |
Output is correct |
43 |
Correct |
5 ms |
588 KB |
Output is correct |
44 |
Correct |
8 ms |
736 KB |
Output is correct |
45 |
Correct |
8 ms |
612 KB |
Output is correct |
46 |
Correct |
9 ms |
884 KB |
Output is correct |
47 |
Correct |
8 ms |
844 KB |
Output is correct |
48 |
Correct |
9 ms |
844 KB |
Output is correct |
49 |
Correct |
9 ms |
844 KB |
Output is correct |
50 |
Correct |
9 ms |
872 KB |
Output is correct |
51 |
Correct |
9 ms |
844 KB |
Output is correct |
52 |
Correct |
12 ms |
844 KB |
Output is correct |
53 |
Correct |
11 ms |
844 KB |
Output is correct |
54 |
Correct |
8 ms |
844 KB |
Output is correct |
55 |
Correct |
9 ms |
716 KB |
Output is correct |
56 |
Correct |
9 ms |
788 KB |
Output is correct |
57 |
Correct |
9 ms |
716 KB |
Output is correct |
58 |
Correct |
7 ms |
716 KB |
Output is correct |
59 |
Correct |
7 ms |
716 KB |
Output is correct |
60 |
Correct |
9 ms |
716 KB |
Output is correct |
61 |
Correct |
9 ms |
716 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
216 ms |
13312 KB |
Output is correct |
2 |
Correct |
278 ms |
13308 KB |
Output is correct |
3 |
Correct |
303 ms |
13360 KB |
Output is correct |
4 |
Correct |
614 ms |
21476 KB |
Output is correct |
5 |
Correct |
585 ms |
29688 KB |
Output is correct |
6 |
Correct |
634 ms |
29752 KB |
Output is correct |
7 |
Correct |
408 ms |
29700 KB |
Output is correct |
8 |
Correct |
399 ms |
29728 KB |
Output is correct |
9 |
Correct |
407 ms |
29708 KB |
Output is correct |
10 |
Correct |
408 ms |
29736 KB |
Output is correct |
11 |
Correct |
515 ms |
29676 KB |
Output is correct |
12 |
Correct |
514 ms |
29692 KB |
Output is correct |
13 |
Correct |
530 ms |
29692 KB |
Output is correct |
14 |
Correct |
618 ms |
29700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
213 ms |
13224 KB |
Output is correct |
2 |
Correct |
249 ms |
13216 KB |
Output is correct |
3 |
Correct |
321 ms |
13420 KB |
Output is correct |
4 |
Correct |
501 ms |
25648 KB |
Output is correct |
5 |
Correct |
510 ms |
28660 KB |
Output is correct |
6 |
Correct |
474 ms |
23300 KB |
Output is correct |
7 |
Correct |
310 ms |
21508 KB |
Output is correct |
8 |
Correct |
412 ms |
29636 KB |
Output is correct |
9 |
Correct |
324 ms |
21544 KB |
Output is correct |
10 |
Correct |
383 ms |
21644 KB |
Output is correct |
11 |
Correct |
491 ms |
21736 KB |
Output is correct |
12 |
Correct |
436 ms |
29740 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
332 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
332 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
8 ms |
588 KB |
Output is correct |
42 |
Correct |
9 ms |
888 KB |
Output is correct |
43 |
Correct |
5 ms |
588 KB |
Output is correct |
44 |
Correct |
8 ms |
736 KB |
Output is correct |
45 |
Correct |
8 ms |
612 KB |
Output is correct |
46 |
Correct |
9 ms |
884 KB |
Output is correct |
47 |
Correct |
8 ms |
844 KB |
Output is correct |
48 |
Correct |
9 ms |
844 KB |
Output is correct |
49 |
Correct |
9 ms |
844 KB |
Output is correct |
50 |
Correct |
9 ms |
872 KB |
Output is correct |
51 |
Correct |
9 ms |
844 KB |
Output is correct |
52 |
Correct |
12 ms |
844 KB |
Output is correct |
53 |
Correct |
11 ms |
844 KB |
Output is correct |
54 |
Correct |
8 ms |
844 KB |
Output is correct |
55 |
Correct |
9 ms |
716 KB |
Output is correct |
56 |
Correct |
9 ms |
788 KB |
Output is correct |
57 |
Correct |
9 ms |
716 KB |
Output is correct |
58 |
Correct |
7 ms |
716 KB |
Output is correct |
59 |
Correct |
7 ms |
716 KB |
Output is correct |
60 |
Correct |
9 ms |
716 KB |
Output is correct |
61 |
Correct |
9 ms |
716 KB |
Output is correct |
62 |
Correct |
216 ms |
13312 KB |
Output is correct |
63 |
Correct |
278 ms |
13308 KB |
Output is correct |
64 |
Correct |
303 ms |
13360 KB |
Output is correct |
65 |
Correct |
614 ms |
21476 KB |
Output is correct |
66 |
Correct |
585 ms |
29688 KB |
Output is correct |
67 |
Correct |
634 ms |
29752 KB |
Output is correct |
68 |
Correct |
408 ms |
29700 KB |
Output is correct |
69 |
Correct |
399 ms |
29728 KB |
Output is correct |
70 |
Correct |
407 ms |
29708 KB |
Output is correct |
71 |
Correct |
408 ms |
29736 KB |
Output is correct |
72 |
Correct |
515 ms |
29676 KB |
Output is correct |
73 |
Correct |
514 ms |
29692 KB |
Output is correct |
74 |
Correct |
530 ms |
29692 KB |
Output is correct |
75 |
Correct |
618 ms |
29700 KB |
Output is correct |
76 |
Correct |
213 ms |
13224 KB |
Output is correct |
77 |
Correct |
249 ms |
13216 KB |
Output is correct |
78 |
Correct |
321 ms |
13420 KB |
Output is correct |
79 |
Correct |
501 ms |
25648 KB |
Output is correct |
80 |
Correct |
510 ms |
28660 KB |
Output is correct |
81 |
Correct |
474 ms |
23300 KB |
Output is correct |
82 |
Correct |
310 ms |
21508 KB |
Output is correct |
83 |
Correct |
412 ms |
29636 KB |
Output is correct |
84 |
Correct |
324 ms |
21544 KB |
Output is correct |
85 |
Correct |
383 ms |
21644 KB |
Output is correct |
86 |
Correct |
491 ms |
21736 KB |
Output is correct |
87 |
Correct |
436 ms |
29740 KB |
Output is correct |
88 |
Correct |
355 ms |
13316 KB |
Output is correct |
89 |
Correct |
610 ms |
29640 KB |
Output is correct |
90 |
Correct |
462 ms |
15112 KB |
Output is correct |
91 |
Correct |
614 ms |
28736 KB |
Output is correct |
92 |
Correct |
269 ms |
13248 KB |
Output is correct |
93 |
Correct |
363 ms |
13516 KB |
Output is correct |
94 |
Correct |
494 ms |
18864 KB |
Output is correct |
95 |
Correct |
568 ms |
29704 KB |
Output is correct |
96 |
Correct |
550 ms |
29480 KB |
Output is correct |
97 |
Correct |
563 ms |
29616 KB |
Output is correct |
98 |
Correct |
580 ms |
26916 KB |
Output is correct |
99 |
Correct |
568 ms |
28936 KB |
Output is correct |
100 |
Correct |
558 ms |
22180 KB |
Output is correct |
101 |
Correct |
444 ms |
29796 KB |
Output is correct |
102 |
Correct |
421 ms |
29860 KB |
Output is correct |
103 |
Correct |
451 ms |
28332 KB |
Output is correct |
104 |
Correct |
477 ms |
24860 KB |
Output is correct |
105 |
Correct |
534 ms |
22656 KB |
Output is correct |
106 |
Correct |
460 ms |
29736 KB |
Output is correct |
107 |
Correct |
498 ms |
29352 KB |
Output is correct |
108 |
Correct |
562 ms |
29516 KB |
Output is correct |
109 |
Correct |
523 ms |
29608 KB |
Output is correct |
110 |
Correct |
539 ms |
24488 KB |
Output is correct |
111 |
Correct |
556 ms |
29352 KB |
Output is correct |
112 |
Correct |
542 ms |
23064 KB |
Output is correct |
113 |
Correct |
549 ms |
21632 KB |
Output is correct |
114 |
Correct |
568 ms |
29708 KB |
Output is correct |
115 |
Correct |
312 ms |
21512 KB |
Output is correct |
116 |
Correct |
313 ms |
21588 KB |
Output is correct |
117 |
Correct |
418 ms |
21672 KB |
Output is correct |
118 |
Correct |
423 ms |
21680 KB |
Output is correct |
119 |
Correct |
497 ms |
21584 KB |
Output is correct |
120 |
Correct |
483 ms |
21608 KB |
Output is correct |