#include <bits/stdc++.h>
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define getbit(x) (((x) >> (i)) & 1)
#define TASK ""
using namespace std;
template <typename T1, typename T2> bool maxi(T1 &a, T2 b) {
if (a < b) a = b; else return false; return true;
}
template <typename T1, typename T2> bool mini(T1 &a, T2 b) {
if (a > b) a = b; else return false; return true;
}
const long long inf = 1e18;
const int mod = 1e9 + 7;
const int N = 3e5 + 5;
int n;
int d;
int a[N];
namespace subtask2 {
int dp[405][405];
vector <int> value;
void solve() {
for (int i = 1; i <= n; ++i) value.push_back(a[i]);
sort(all(value));
value.erase(unique(all(value)), value.end());
int m = (int) value.size();
for (int i = 1; i <= n; ++i) {
a[i] = lower_bound(all(value), a[i]) - value.begin() + 1;
}
memset(dp, -0x3f, sizeof dp);
for (int i = 1; i <= n; ++i) dp[i][a[i]] = 1;
for (int i = 1; i <= n; ++i) {
for (int j = i - 1; j >= max(i - d, 1); --j) {
for (int mx = 1; mx <= m; ++mx) {
maxi(dp[i][max(mx, a[i])], dp[j][mx] + (mx < a[i]));
}
}
}
cout << *max_element(dp[n] + 1, dp[n] + m + 1);
}
};
namespace subtask3 {
vector <int> value;
int dp[7005][7005];
deque <int> dq[7005];
void solve() {
for (int i = 1; i <= n; ++i) value.push_back(a[i]);
sort(all(value));
value.erase(unique(all(value)), value.end());
int m = (int) value.size();
for (int i = 1; i <= n; ++i) {
a[i] = lower_bound(all(value), a[i]) - value.begin() + 1;
}
memset(dp, -0x3f, sizeof dp);
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= m; ++j) {
while (dq[j].size() && dq[j].front() + d < i) dq[j].pop_front();
if (dq[j].size()) maxi(dp[i][max(a[i], j)], dp[dq[j].front()][j] + (a[i] > j));
while (dq[max(j, a[i])].size() && dp[dq[max(j, a[i])].back()][max(j, a[i])] <= dp[i][j])
dq[max(j, a[i])].pop_back();
dq[max(a[i], j)].push_back(i);
}
maxi(dp[i][a[i]], 1);
dq[a[i]].push_back(i);
}
//for (int i = 1; i <= n; ++i)
cout << *max_element(dp[n] + 1, dp[n] + m + 1);
}
};
namespace subtask4 {
stack <int> st;
void solve() {
int ans = 0;
for (int i = n; i >= 1; --i) {
while (st.size() && st.top() <= a[i]) st.pop();
st.push(a[i]);
maxi(ans, st.size());
}
cout << ans;
}
};
namespace subtask5 {
void solve() {
vector <int> dp;
for (int i = 1; i <= n; ++i) {
int p = lower_bound(all(dp), a[i]) - dp.begin();
if (p == dp.size()) dp.push_back(a[i]);
else dp[p] = a[i];
}
cout << (int) dp.size() << '\n';
}
};
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
//freopen(TASK".inp", "r", stdin);
//freopen(TASK".out", "w", stdout);
cin >> n >> d;
for (int i = 1; i <= n; ++i) cin >> a[i];
if (n <= 400) subtask2::solve();
else if (n <= 7000) subtask3::solve();
else if (d == 1) subtask4::solve();
else if (d == n) subtask5::solve();
}
Compilation message
Main.cpp: In function 'void subtask5::solve()':
Main.cpp:119:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
119 | if (p == dp.size()) dp.push_back(a[i]);
| ~~^~~~~~~~~~~~
Main.cpp: In instantiation of 'bool maxi(T1&, T2) [with T1 = int; T2 = long unsigned int]':
Main.cpp:107:32: required from here
Main.cpp:11:11: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
11 | if (a < b) a = b; else return false; return true;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
3 ms |
9052 KB |
Output is correct |
4 |
Correct |
2 ms |
9048 KB |
Output is correct |
5 |
Correct |
3 ms |
9052 KB |
Output is correct |
6 |
Correct |
2 ms |
9052 KB |
Output is correct |
7 |
Correct |
3 ms |
9052 KB |
Output is correct |
8 |
Correct |
3 ms |
9052 KB |
Output is correct |
9 |
Correct |
3 ms |
9052 KB |
Output is correct |
10 |
Correct |
3 ms |
9304 KB |
Output is correct |
11 |
Correct |
3 ms |
9048 KB |
Output is correct |
12 |
Correct |
2 ms |
9052 KB |
Output is correct |
13 |
Correct |
3 ms |
9052 KB |
Output is correct |
14 |
Correct |
3 ms |
9052 KB |
Output is correct |
15 |
Correct |
3 ms |
9052 KB |
Output is correct |
16 |
Correct |
3 ms |
9052 KB |
Output is correct |
17 |
Correct |
3 ms |
9052 KB |
Output is correct |
18 |
Correct |
3 ms |
9052 KB |
Output is correct |
19 |
Correct |
2 ms |
9052 KB |
Output is correct |
20 |
Correct |
2 ms |
9052 KB |
Output is correct |
21 |
Correct |
2 ms |
9052 KB |
Output is correct |
22 |
Correct |
3 ms |
9052 KB |
Output is correct |
23 |
Correct |
3 ms |
9052 KB |
Output is correct |
24 |
Correct |
3 ms |
9052 KB |
Output is correct |
25 |
Correct |
3 ms |
9052 KB |
Output is correct |
26 |
Correct |
3 ms |
9052 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
3 ms |
9052 KB |
Output is correct |
4 |
Correct |
2 ms |
9048 KB |
Output is correct |
5 |
Correct |
3 ms |
9052 KB |
Output is correct |
6 |
Correct |
2 ms |
9052 KB |
Output is correct |
7 |
Correct |
3 ms |
9052 KB |
Output is correct |
8 |
Correct |
3 ms |
9052 KB |
Output is correct |
9 |
Correct |
3 ms |
9052 KB |
Output is correct |
10 |
Correct |
3 ms |
9304 KB |
Output is correct |
11 |
Correct |
3 ms |
9048 KB |
Output is correct |
12 |
Correct |
2 ms |
9052 KB |
Output is correct |
13 |
Correct |
3 ms |
9052 KB |
Output is correct |
14 |
Correct |
3 ms |
9052 KB |
Output is correct |
15 |
Correct |
3 ms |
9052 KB |
Output is correct |
16 |
Correct |
3 ms |
9052 KB |
Output is correct |
17 |
Correct |
3 ms |
9052 KB |
Output is correct |
18 |
Correct |
3 ms |
9052 KB |
Output is correct |
19 |
Correct |
2 ms |
9052 KB |
Output is correct |
20 |
Correct |
2 ms |
9052 KB |
Output is correct |
21 |
Correct |
2 ms |
9052 KB |
Output is correct |
22 |
Correct |
3 ms |
9052 KB |
Output is correct |
23 |
Correct |
3 ms |
9052 KB |
Output is correct |
24 |
Correct |
3 ms |
9052 KB |
Output is correct |
25 |
Correct |
3 ms |
9052 KB |
Output is correct |
26 |
Correct |
3 ms |
9052 KB |
Output is correct |
27 |
Correct |
3 ms |
9052 KB |
Output is correct |
28 |
Correct |
4 ms |
9048 KB |
Output is correct |
29 |
Correct |
3 ms |
9052 KB |
Output is correct |
30 |
Correct |
5 ms |
9096 KB |
Output is correct |
31 |
Correct |
3 ms |
9052 KB |
Output is correct |
32 |
Correct |
39 ms |
9052 KB |
Output is correct |
33 |
Correct |
3 ms |
9052 KB |
Output is correct |
34 |
Correct |
4 ms |
9052 KB |
Output is correct |
35 |
Correct |
4 ms |
9048 KB |
Output is correct |
36 |
Correct |
10 ms |
9048 KB |
Output is correct |
37 |
Correct |
4 ms |
9048 KB |
Output is correct |
38 |
Correct |
4 ms |
9052 KB |
Output is correct |
39 |
Correct |
6 ms |
9096 KB |
Output is correct |
40 |
Correct |
7 ms |
9048 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
3 ms |
9052 KB |
Output is correct |
4 |
Correct |
2 ms |
9048 KB |
Output is correct |
5 |
Correct |
3 ms |
9052 KB |
Output is correct |
6 |
Correct |
2 ms |
9052 KB |
Output is correct |
7 |
Correct |
3 ms |
9052 KB |
Output is correct |
8 |
Correct |
3 ms |
9052 KB |
Output is correct |
9 |
Correct |
3 ms |
9052 KB |
Output is correct |
10 |
Correct |
3 ms |
9304 KB |
Output is correct |
11 |
Correct |
3 ms |
9048 KB |
Output is correct |
12 |
Correct |
2 ms |
9052 KB |
Output is correct |
13 |
Correct |
3 ms |
9052 KB |
Output is correct |
14 |
Correct |
3 ms |
9052 KB |
Output is correct |
15 |
Correct |
3 ms |
9052 KB |
Output is correct |
16 |
Correct |
3 ms |
9052 KB |
Output is correct |
17 |
Correct |
3 ms |
9052 KB |
Output is correct |
18 |
Correct |
3 ms |
9052 KB |
Output is correct |
19 |
Correct |
2 ms |
9052 KB |
Output is correct |
20 |
Correct |
2 ms |
9052 KB |
Output is correct |
21 |
Correct |
2 ms |
9052 KB |
Output is correct |
22 |
Correct |
3 ms |
9052 KB |
Output is correct |
23 |
Correct |
3 ms |
9052 KB |
Output is correct |
24 |
Correct |
3 ms |
9052 KB |
Output is correct |
25 |
Correct |
3 ms |
9052 KB |
Output is correct |
26 |
Correct |
3 ms |
9052 KB |
Output is correct |
27 |
Correct |
3 ms |
9052 KB |
Output is correct |
28 |
Correct |
4 ms |
9048 KB |
Output is correct |
29 |
Correct |
3 ms |
9052 KB |
Output is correct |
30 |
Correct |
5 ms |
9096 KB |
Output is correct |
31 |
Correct |
3 ms |
9052 KB |
Output is correct |
32 |
Correct |
39 ms |
9052 KB |
Output is correct |
33 |
Correct |
3 ms |
9052 KB |
Output is correct |
34 |
Correct |
4 ms |
9052 KB |
Output is correct |
35 |
Correct |
4 ms |
9048 KB |
Output is correct |
36 |
Correct |
10 ms |
9048 KB |
Output is correct |
37 |
Correct |
4 ms |
9048 KB |
Output is correct |
38 |
Correct |
4 ms |
9052 KB |
Output is correct |
39 |
Correct |
6 ms |
9096 KB |
Output is correct |
40 |
Correct |
7 ms |
9048 KB |
Output is correct |
41 |
Correct |
168 ms |
197764 KB |
Output is correct |
42 |
Correct |
651 ms |
199520 KB |
Output is correct |
43 |
Correct |
26 ms |
197716 KB |
Output is correct |
44 |
Correct |
259 ms |
198264 KB |
Output is correct |
45 |
Correct |
284 ms |
198664 KB |
Output is correct |
46 |
Correct |
715 ms |
200992 KB |
Output is correct |
47 |
Correct |
581 ms |
198996 KB |
Output is correct |
48 |
Correct |
625 ms |
200428 KB |
Output is correct |
49 |
Correct |
691 ms |
200588 KB |
Output is correct |
50 |
Correct |
654 ms |
199764 KB |
Output is correct |
51 |
Correct |
588 ms |
197820 KB |
Output is correct |
52 |
Correct |
602 ms |
198596 KB |
Output is correct |
53 |
Correct |
558 ms |
197972 KB |
Output is correct |
54 |
Correct |
569 ms |
197712 KB |
Output is correct |
55 |
Correct |
687 ms |
200912 KB |
Output is correct |
56 |
Correct |
674 ms |
200896 KB |
Output is correct |
57 |
Correct |
691 ms |
201040 KB |
Output is correct |
58 |
Correct |
645 ms |
201044 KB |
Output is correct |
59 |
Correct |
631 ms |
201044 KB |
Output is correct |
60 |
Correct |
650 ms |
200636 KB |
Output is correct |
61 |
Correct |
597 ms |
200784 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
10076 KB |
Output is correct |
2 |
Correct |
27 ms |
10072 KB |
Output is correct |
3 |
Correct |
28 ms |
9816 KB |
Output is correct |
4 |
Correct |
29 ms |
10064 KB |
Output is correct |
5 |
Correct |
27 ms |
9820 KB |
Output is correct |
6 |
Correct |
27 ms |
9820 KB |
Output is correct |
7 |
Correct |
34 ms |
11232 KB |
Output is correct |
8 |
Correct |
26 ms |
9816 KB |
Output is correct |
9 |
Correct |
27 ms |
10840 KB |
Output is correct |
10 |
Correct |
29 ms |
10044 KB |
Output is correct |
11 |
Correct |
29 ms |
9820 KB |
Output is correct |
12 |
Correct |
27 ms |
9816 KB |
Output is correct |
13 |
Correct |
27 ms |
9820 KB |
Output is correct |
14 |
Correct |
26 ms |
9808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
10076 KB |
Output is correct |
2 |
Correct |
36 ms |
9812 KB |
Output is correct |
3 |
Correct |
40 ms |
10076 KB |
Output is correct |
4 |
Correct |
40 ms |
10072 KB |
Output is correct |
5 |
Correct |
40 ms |
10728 KB |
Output is correct |
6 |
Correct |
39 ms |
10064 KB |
Output is correct |
7 |
Correct |
30 ms |
12240 KB |
Output is correct |
8 |
Correct |
25 ms |
10076 KB |
Output is correct |
9 |
Correct |
32 ms |
10704 KB |
Output is correct |
10 |
Correct |
36 ms |
10068 KB |
Output is correct |
11 |
Correct |
39 ms |
10064 KB |
Output is correct |
12 |
Correct |
27 ms |
10076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
3 ms |
9052 KB |
Output is correct |
4 |
Correct |
2 ms |
9048 KB |
Output is correct |
5 |
Correct |
3 ms |
9052 KB |
Output is correct |
6 |
Correct |
2 ms |
9052 KB |
Output is correct |
7 |
Correct |
3 ms |
9052 KB |
Output is correct |
8 |
Correct |
3 ms |
9052 KB |
Output is correct |
9 |
Correct |
3 ms |
9052 KB |
Output is correct |
10 |
Correct |
3 ms |
9304 KB |
Output is correct |
11 |
Correct |
3 ms |
9048 KB |
Output is correct |
12 |
Correct |
2 ms |
9052 KB |
Output is correct |
13 |
Correct |
3 ms |
9052 KB |
Output is correct |
14 |
Correct |
3 ms |
9052 KB |
Output is correct |
15 |
Correct |
3 ms |
9052 KB |
Output is correct |
16 |
Correct |
3 ms |
9052 KB |
Output is correct |
17 |
Correct |
3 ms |
9052 KB |
Output is correct |
18 |
Correct |
3 ms |
9052 KB |
Output is correct |
19 |
Correct |
2 ms |
9052 KB |
Output is correct |
20 |
Correct |
2 ms |
9052 KB |
Output is correct |
21 |
Correct |
2 ms |
9052 KB |
Output is correct |
22 |
Correct |
3 ms |
9052 KB |
Output is correct |
23 |
Correct |
3 ms |
9052 KB |
Output is correct |
24 |
Correct |
3 ms |
9052 KB |
Output is correct |
25 |
Correct |
3 ms |
9052 KB |
Output is correct |
26 |
Correct |
3 ms |
9052 KB |
Output is correct |
27 |
Correct |
3 ms |
9052 KB |
Output is correct |
28 |
Correct |
4 ms |
9048 KB |
Output is correct |
29 |
Correct |
3 ms |
9052 KB |
Output is correct |
30 |
Correct |
5 ms |
9096 KB |
Output is correct |
31 |
Correct |
3 ms |
9052 KB |
Output is correct |
32 |
Correct |
39 ms |
9052 KB |
Output is correct |
33 |
Correct |
3 ms |
9052 KB |
Output is correct |
34 |
Correct |
4 ms |
9052 KB |
Output is correct |
35 |
Correct |
4 ms |
9048 KB |
Output is correct |
36 |
Correct |
10 ms |
9048 KB |
Output is correct |
37 |
Correct |
4 ms |
9048 KB |
Output is correct |
38 |
Correct |
4 ms |
9052 KB |
Output is correct |
39 |
Correct |
6 ms |
9096 KB |
Output is correct |
40 |
Correct |
7 ms |
9048 KB |
Output is correct |
41 |
Correct |
168 ms |
197764 KB |
Output is correct |
42 |
Correct |
651 ms |
199520 KB |
Output is correct |
43 |
Correct |
26 ms |
197716 KB |
Output is correct |
44 |
Correct |
259 ms |
198264 KB |
Output is correct |
45 |
Correct |
284 ms |
198664 KB |
Output is correct |
46 |
Correct |
715 ms |
200992 KB |
Output is correct |
47 |
Correct |
581 ms |
198996 KB |
Output is correct |
48 |
Correct |
625 ms |
200428 KB |
Output is correct |
49 |
Correct |
691 ms |
200588 KB |
Output is correct |
50 |
Correct |
654 ms |
199764 KB |
Output is correct |
51 |
Correct |
588 ms |
197820 KB |
Output is correct |
52 |
Correct |
602 ms |
198596 KB |
Output is correct |
53 |
Correct |
558 ms |
197972 KB |
Output is correct |
54 |
Correct |
569 ms |
197712 KB |
Output is correct |
55 |
Correct |
687 ms |
200912 KB |
Output is correct |
56 |
Correct |
674 ms |
200896 KB |
Output is correct |
57 |
Correct |
691 ms |
201040 KB |
Output is correct |
58 |
Correct |
645 ms |
201044 KB |
Output is correct |
59 |
Correct |
631 ms |
201044 KB |
Output is correct |
60 |
Correct |
650 ms |
200636 KB |
Output is correct |
61 |
Correct |
597 ms |
200784 KB |
Output is correct |
62 |
Correct |
30 ms |
10076 KB |
Output is correct |
63 |
Correct |
27 ms |
10072 KB |
Output is correct |
64 |
Correct |
28 ms |
9816 KB |
Output is correct |
65 |
Correct |
29 ms |
10064 KB |
Output is correct |
66 |
Correct |
27 ms |
9820 KB |
Output is correct |
67 |
Correct |
27 ms |
9820 KB |
Output is correct |
68 |
Correct |
34 ms |
11232 KB |
Output is correct |
69 |
Correct |
26 ms |
9816 KB |
Output is correct |
70 |
Correct |
27 ms |
10840 KB |
Output is correct |
71 |
Correct |
29 ms |
10044 KB |
Output is correct |
72 |
Correct |
29 ms |
9820 KB |
Output is correct |
73 |
Correct |
27 ms |
9816 KB |
Output is correct |
74 |
Correct |
27 ms |
9820 KB |
Output is correct |
75 |
Correct |
26 ms |
9808 KB |
Output is correct |
76 |
Correct |
26 ms |
10076 KB |
Output is correct |
77 |
Correct |
36 ms |
9812 KB |
Output is correct |
78 |
Correct |
40 ms |
10076 KB |
Output is correct |
79 |
Correct |
40 ms |
10072 KB |
Output is correct |
80 |
Correct |
40 ms |
10728 KB |
Output is correct |
81 |
Correct |
39 ms |
10064 KB |
Output is correct |
82 |
Correct |
30 ms |
12240 KB |
Output is correct |
83 |
Correct |
25 ms |
10076 KB |
Output is correct |
84 |
Correct |
32 ms |
10704 KB |
Output is correct |
85 |
Correct |
36 ms |
10068 KB |
Output is correct |
86 |
Correct |
39 ms |
10064 KB |
Output is correct |
87 |
Correct |
27 ms |
10076 KB |
Output is correct |
88 |
Incorrect |
25 ms |
12880 KB |
Output isn't correct |
89 |
Halted |
0 ms |
0 KB |
- |