#include<bits/stdc++.h>
#include<unordered_map>
#define rep(i,a,b) for(int i=int(a);i<int(b);i++)
#define rrep(i,a,b) for(int i=int(a);i>int(b);i--)
#define trav(a,v) for(auto& a: v)
#define sz(v) v.size()
#define all(v) v.begin(),v.end()
#define vi vector<int>
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const long long inf = 1e15;
using namespace std;
vector<ll> p(1e6);
vector<ll> r(1e6);
ll UfindSet(ll cur) {
if (p[cur] == cur)return cur;
return p[cur] = UfindSet(p[cur]);
}
void Umerge(ll j, ll i) {
ll sj = UfindSet(j);
ll si = UfindSet(i);
if (sj < si)swap(sj, si);
p[sj] = si;
return;
}
struct tree {
typedef ll T;
static constexpr T unit = -inf;
T f(T a, T b) { return max(a, b); }
vector<T> s;
ll n;
tree(ll n=0, T def=unit) : n(n),s(2*n,def){}
void update(ll pos, T val) {
for (s[pos += n] = val; pos /= 2;) {
s[pos] = f(s[pos * 2], s[pos * 2 + 1]);
}
}
T query(ll l, ll r) {
T a = unit, b = unit;
for (l += n, r += n; l < r; l /= 2, r /= 2) {
if (l % 2)a = f(a, s[l++]);
if (r % 2)b = f(b, s[--r]);
}
return f(a, b);
}
};
int main() {
cin.sync_with_stdio(false);
int n, d;
cin >> n >> d;
vector<pair<ll, int>> v(n);
rep(i, 0, n) {
cin >> v[i].first;
v[i].second = -i;
}
sort(all(v));
vector<ll> dp(n, -inf);
rep(i, 0, 1e6)p[i] = i;
tree seg(n);
rep(i, 0, n) {
dp[-v[i].second] = 1;
ll cur = d;
int end = max(-1, -v[i].second - d-1 );
rrep(j, -v[i].second, end) {
Umerge(end+1, j);
if (p[j] < end+1)break;
}
ll left = UfindSet(-v[i].second);
ll FuckMinAndMax = 1;
dp[-v[i].second] = max(FuckMinAndMax, seg.query(left, -v[i].second)+1);
seg.update(-v[i].second, dp[-v[i].second]);
//rep(a,0,n)cout << p[a] << " ";
//cout << endl;
//cout << v[i].first << " " << left << " " << seg.query(left, -v[i].second) << endl;
//cout << endl;
}
ll ans = 1;
trav(a, dp)ans = max(ans, a);
cout << ans << endl;
return 0;
}
Compilation message
Main.cpp: In constructor 'tree::tree(ll, tree::T)':
Main.cpp:35:5: warning: 'tree::n' will be initialized after [-Wreorder]
35 | ll n;
| ^
Main.cpp:34:12: warning: 'std::vector<long long int> tree::s' [-Wreorder]
34 | vector<T> s;
| ^
Main.cpp:36:2: warning: when initialized here [-Wreorder]
36 | tree(ll n=0, T def=unit) : n(n),s(2*n,def){}
| ^~~~
Main.cpp: In function 'int main()':
Main.cpp:67:6: warning: unused variable 'cur' [-Wunused-variable]
67 | ll cur = d;
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
15948 KB |
Output is correct |
2 |
Correct |
11 ms |
15948 KB |
Output is correct |
3 |
Correct |
9 ms |
15916 KB |
Output is correct |
4 |
Correct |
14 ms |
15876 KB |
Output is correct |
5 |
Correct |
10 ms |
15980 KB |
Output is correct |
6 |
Correct |
10 ms |
15948 KB |
Output is correct |
7 |
Correct |
11 ms |
15948 KB |
Output is correct |
8 |
Correct |
9 ms |
15948 KB |
Output is correct |
9 |
Correct |
8 ms |
15948 KB |
Output is correct |
10 |
Correct |
10 ms |
15948 KB |
Output is correct |
11 |
Correct |
8 ms |
15948 KB |
Output is correct |
12 |
Correct |
8 ms |
15976 KB |
Output is correct |
13 |
Correct |
8 ms |
15948 KB |
Output is correct |
14 |
Correct |
11 ms |
15860 KB |
Output is correct |
15 |
Correct |
8 ms |
15948 KB |
Output is correct |
16 |
Correct |
10 ms |
15948 KB |
Output is correct |
17 |
Correct |
10 ms |
15900 KB |
Output is correct |
18 |
Correct |
10 ms |
15940 KB |
Output is correct |
19 |
Correct |
9 ms |
15948 KB |
Output is correct |
20 |
Correct |
10 ms |
15948 KB |
Output is correct |
21 |
Correct |
10 ms |
15956 KB |
Output is correct |
22 |
Correct |
9 ms |
15948 KB |
Output is correct |
23 |
Correct |
10 ms |
15948 KB |
Output is correct |
24 |
Correct |
10 ms |
15984 KB |
Output is correct |
25 |
Correct |
9 ms |
15948 KB |
Output is correct |
26 |
Correct |
10 ms |
15948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
15948 KB |
Output is correct |
2 |
Correct |
11 ms |
15948 KB |
Output is correct |
3 |
Correct |
9 ms |
15916 KB |
Output is correct |
4 |
Correct |
14 ms |
15876 KB |
Output is correct |
5 |
Correct |
10 ms |
15980 KB |
Output is correct |
6 |
Correct |
10 ms |
15948 KB |
Output is correct |
7 |
Correct |
11 ms |
15948 KB |
Output is correct |
8 |
Correct |
9 ms |
15948 KB |
Output is correct |
9 |
Correct |
8 ms |
15948 KB |
Output is correct |
10 |
Correct |
10 ms |
15948 KB |
Output is correct |
11 |
Correct |
8 ms |
15948 KB |
Output is correct |
12 |
Correct |
8 ms |
15976 KB |
Output is correct |
13 |
Correct |
8 ms |
15948 KB |
Output is correct |
14 |
Correct |
11 ms |
15860 KB |
Output is correct |
15 |
Correct |
8 ms |
15948 KB |
Output is correct |
16 |
Correct |
10 ms |
15948 KB |
Output is correct |
17 |
Correct |
10 ms |
15900 KB |
Output is correct |
18 |
Correct |
10 ms |
15940 KB |
Output is correct |
19 |
Correct |
9 ms |
15948 KB |
Output is correct |
20 |
Correct |
10 ms |
15948 KB |
Output is correct |
21 |
Correct |
10 ms |
15956 KB |
Output is correct |
22 |
Correct |
9 ms |
15948 KB |
Output is correct |
23 |
Correct |
10 ms |
15948 KB |
Output is correct |
24 |
Correct |
10 ms |
15984 KB |
Output is correct |
25 |
Correct |
9 ms |
15948 KB |
Output is correct |
26 |
Correct |
10 ms |
15948 KB |
Output is correct |
27 |
Correct |
10 ms |
15948 KB |
Output is correct |
28 |
Correct |
10 ms |
15880 KB |
Output is correct |
29 |
Correct |
12 ms |
15996 KB |
Output is correct |
30 |
Correct |
10 ms |
15968 KB |
Output is correct |
31 |
Correct |
10 ms |
15992 KB |
Output is correct |
32 |
Correct |
10 ms |
15948 KB |
Output is correct |
33 |
Correct |
10 ms |
15948 KB |
Output is correct |
34 |
Correct |
10 ms |
15948 KB |
Output is correct |
35 |
Correct |
11 ms |
15932 KB |
Output is correct |
36 |
Correct |
11 ms |
15992 KB |
Output is correct |
37 |
Correct |
10 ms |
15948 KB |
Output is correct |
38 |
Correct |
10 ms |
15924 KB |
Output is correct |
39 |
Correct |
10 ms |
15884 KB |
Output is correct |
40 |
Correct |
11 ms |
15948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
15948 KB |
Output is correct |
2 |
Correct |
11 ms |
15948 KB |
Output is correct |
3 |
Correct |
9 ms |
15916 KB |
Output is correct |
4 |
Correct |
14 ms |
15876 KB |
Output is correct |
5 |
Correct |
10 ms |
15980 KB |
Output is correct |
6 |
Correct |
10 ms |
15948 KB |
Output is correct |
7 |
Correct |
11 ms |
15948 KB |
Output is correct |
8 |
Correct |
9 ms |
15948 KB |
Output is correct |
9 |
Correct |
8 ms |
15948 KB |
Output is correct |
10 |
Correct |
10 ms |
15948 KB |
Output is correct |
11 |
Correct |
8 ms |
15948 KB |
Output is correct |
12 |
Correct |
8 ms |
15976 KB |
Output is correct |
13 |
Correct |
8 ms |
15948 KB |
Output is correct |
14 |
Correct |
11 ms |
15860 KB |
Output is correct |
15 |
Correct |
8 ms |
15948 KB |
Output is correct |
16 |
Correct |
10 ms |
15948 KB |
Output is correct |
17 |
Correct |
10 ms |
15900 KB |
Output is correct |
18 |
Correct |
10 ms |
15940 KB |
Output is correct |
19 |
Correct |
9 ms |
15948 KB |
Output is correct |
20 |
Correct |
10 ms |
15948 KB |
Output is correct |
21 |
Correct |
10 ms |
15956 KB |
Output is correct |
22 |
Correct |
9 ms |
15948 KB |
Output is correct |
23 |
Correct |
10 ms |
15948 KB |
Output is correct |
24 |
Correct |
10 ms |
15984 KB |
Output is correct |
25 |
Correct |
9 ms |
15948 KB |
Output is correct |
26 |
Correct |
10 ms |
15948 KB |
Output is correct |
27 |
Correct |
10 ms |
15948 KB |
Output is correct |
28 |
Correct |
10 ms |
15880 KB |
Output is correct |
29 |
Correct |
12 ms |
15996 KB |
Output is correct |
30 |
Correct |
10 ms |
15968 KB |
Output is correct |
31 |
Correct |
10 ms |
15992 KB |
Output is correct |
32 |
Correct |
10 ms |
15948 KB |
Output is correct |
33 |
Correct |
10 ms |
15948 KB |
Output is correct |
34 |
Correct |
10 ms |
15948 KB |
Output is correct |
35 |
Correct |
11 ms |
15932 KB |
Output is correct |
36 |
Correct |
11 ms |
15992 KB |
Output is correct |
37 |
Correct |
10 ms |
15948 KB |
Output is correct |
38 |
Correct |
10 ms |
15924 KB |
Output is correct |
39 |
Correct |
10 ms |
15884 KB |
Output is correct |
40 |
Correct |
11 ms |
15948 KB |
Output is correct |
41 |
Correct |
12 ms |
16216 KB |
Output is correct |
42 |
Correct |
12 ms |
16164 KB |
Output is correct |
43 |
Correct |
13 ms |
16152 KB |
Output is correct |
44 |
Correct |
14 ms |
16204 KB |
Output is correct |
45 |
Correct |
15 ms |
16204 KB |
Output is correct |
46 |
Correct |
77 ms |
16224 KB |
Output is correct |
47 |
Correct |
12 ms |
16204 KB |
Output is correct |
48 |
Correct |
12 ms |
16204 KB |
Output is correct |
49 |
Correct |
12 ms |
16204 KB |
Output is correct |
50 |
Correct |
12 ms |
16152 KB |
Output is correct |
51 |
Correct |
14 ms |
16244 KB |
Output is correct |
52 |
Correct |
13 ms |
16204 KB |
Output is correct |
53 |
Correct |
14 ms |
16256 KB |
Output is correct |
54 |
Correct |
14 ms |
16204 KB |
Output is correct |
55 |
Correct |
14 ms |
16240 KB |
Output is correct |
56 |
Correct |
13 ms |
16204 KB |
Output is correct |
57 |
Correct |
12 ms |
16228 KB |
Output is correct |
58 |
Correct |
77 ms |
16204 KB |
Output is correct |
59 |
Correct |
77 ms |
16204 KB |
Output is correct |
60 |
Correct |
12 ms |
16204 KB |
Output is correct |
61 |
Correct |
12 ms |
16204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
87 ms |
27704 KB |
Output is correct |
2 |
Correct |
122 ms |
27588 KB |
Output is correct |
3 |
Correct |
161 ms |
27712 KB |
Output is correct |
4 |
Correct |
173 ms |
27712 KB |
Output is correct |
5 |
Correct |
143 ms |
27704 KB |
Output is correct |
6 |
Correct |
186 ms |
27708 KB |
Output is correct |
7 |
Correct |
105 ms |
27552 KB |
Output is correct |
8 |
Correct |
99 ms |
27588 KB |
Output is correct |
9 |
Correct |
104 ms |
27588 KB |
Output is correct |
10 |
Correct |
94 ms |
27712 KB |
Output is correct |
11 |
Correct |
130 ms |
27704 KB |
Output is correct |
12 |
Correct |
125 ms |
27596 KB |
Output is correct |
13 |
Correct |
135 ms |
27600 KB |
Output is correct |
14 |
Correct |
143 ms |
27704 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4080 ms |
27700 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
10 ms |
15948 KB |
Output is correct |
2 |
Correct |
11 ms |
15948 KB |
Output is correct |
3 |
Correct |
9 ms |
15916 KB |
Output is correct |
4 |
Correct |
14 ms |
15876 KB |
Output is correct |
5 |
Correct |
10 ms |
15980 KB |
Output is correct |
6 |
Correct |
10 ms |
15948 KB |
Output is correct |
7 |
Correct |
11 ms |
15948 KB |
Output is correct |
8 |
Correct |
9 ms |
15948 KB |
Output is correct |
9 |
Correct |
8 ms |
15948 KB |
Output is correct |
10 |
Correct |
10 ms |
15948 KB |
Output is correct |
11 |
Correct |
8 ms |
15948 KB |
Output is correct |
12 |
Correct |
8 ms |
15976 KB |
Output is correct |
13 |
Correct |
8 ms |
15948 KB |
Output is correct |
14 |
Correct |
11 ms |
15860 KB |
Output is correct |
15 |
Correct |
8 ms |
15948 KB |
Output is correct |
16 |
Correct |
10 ms |
15948 KB |
Output is correct |
17 |
Correct |
10 ms |
15900 KB |
Output is correct |
18 |
Correct |
10 ms |
15940 KB |
Output is correct |
19 |
Correct |
9 ms |
15948 KB |
Output is correct |
20 |
Correct |
10 ms |
15948 KB |
Output is correct |
21 |
Correct |
10 ms |
15956 KB |
Output is correct |
22 |
Correct |
9 ms |
15948 KB |
Output is correct |
23 |
Correct |
10 ms |
15948 KB |
Output is correct |
24 |
Correct |
10 ms |
15984 KB |
Output is correct |
25 |
Correct |
9 ms |
15948 KB |
Output is correct |
26 |
Correct |
10 ms |
15948 KB |
Output is correct |
27 |
Correct |
10 ms |
15948 KB |
Output is correct |
28 |
Correct |
10 ms |
15880 KB |
Output is correct |
29 |
Correct |
12 ms |
15996 KB |
Output is correct |
30 |
Correct |
10 ms |
15968 KB |
Output is correct |
31 |
Correct |
10 ms |
15992 KB |
Output is correct |
32 |
Correct |
10 ms |
15948 KB |
Output is correct |
33 |
Correct |
10 ms |
15948 KB |
Output is correct |
34 |
Correct |
10 ms |
15948 KB |
Output is correct |
35 |
Correct |
11 ms |
15932 KB |
Output is correct |
36 |
Correct |
11 ms |
15992 KB |
Output is correct |
37 |
Correct |
10 ms |
15948 KB |
Output is correct |
38 |
Correct |
10 ms |
15924 KB |
Output is correct |
39 |
Correct |
10 ms |
15884 KB |
Output is correct |
40 |
Correct |
11 ms |
15948 KB |
Output is correct |
41 |
Correct |
12 ms |
16216 KB |
Output is correct |
42 |
Correct |
12 ms |
16164 KB |
Output is correct |
43 |
Correct |
13 ms |
16152 KB |
Output is correct |
44 |
Correct |
14 ms |
16204 KB |
Output is correct |
45 |
Correct |
15 ms |
16204 KB |
Output is correct |
46 |
Correct |
77 ms |
16224 KB |
Output is correct |
47 |
Correct |
12 ms |
16204 KB |
Output is correct |
48 |
Correct |
12 ms |
16204 KB |
Output is correct |
49 |
Correct |
12 ms |
16204 KB |
Output is correct |
50 |
Correct |
12 ms |
16152 KB |
Output is correct |
51 |
Correct |
14 ms |
16244 KB |
Output is correct |
52 |
Correct |
13 ms |
16204 KB |
Output is correct |
53 |
Correct |
14 ms |
16256 KB |
Output is correct |
54 |
Correct |
14 ms |
16204 KB |
Output is correct |
55 |
Correct |
14 ms |
16240 KB |
Output is correct |
56 |
Correct |
13 ms |
16204 KB |
Output is correct |
57 |
Correct |
12 ms |
16228 KB |
Output is correct |
58 |
Correct |
77 ms |
16204 KB |
Output is correct |
59 |
Correct |
77 ms |
16204 KB |
Output is correct |
60 |
Correct |
12 ms |
16204 KB |
Output is correct |
61 |
Correct |
12 ms |
16204 KB |
Output is correct |
62 |
Correct |
87 ms |
27704 KB |
Output is correct |
63 |
Correct |
122 ms |
27588 KB |
Output is correct |
64 |
Correct |
161 ms |
27712 KB |
Output is correct |
65 |
Correct |
173 ms |
27712 KB |
Output is correct |
66 |
Correct |
143 ms |
27704 KB |
Output is correct |
67 |
Correct |
186 ms |
27708 KB |
Output is correct |
68 |
Correct |
105 ms |
27552 KB |
Output is correct |
69 |
Correct |
99 ms |
27588 KB |
Output is correct |
70 |
Correct |
104 ms |
27588 KB |
Output is correct |
71 |
Correct |
94 ms |
27712 KB |
Output is correct |
72 |
Correct |
130 ms |
27704 KB |
Output is correct |
73 |
Correct |
125 ms |
27596 KB |
Output is correct |
74 |
Correct |
135 ms |
27600 KB |
Output is correct |
75 |
Correct |
143 ms |
27704 KB |
Output is correct |
76 |
Execution timed out |
4080 ms |
27700 KB |
Time limit exceeded |
77 |
Halted |
0 ms |
0 KB |
- |