#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);
}
};
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();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
860 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
860 KB |
Output is correct |
13 |
Correct |
0 ms |
976 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
856 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
0 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
860 KB |
Output is correct |
26 |
Correct |
0 ms |
860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
860 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
860 KB |
Output is correct |
13 |
Correct |
0 ms |
976 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
856 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
0 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
860 KB |
Output is correct |
26 |
Correct |
0 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
860 KB |
Output is correct |
28 |
Correct |
2 ms |
860 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
4 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
860 KB |
Output is correct |
32 |
Correct |
41 ms |
860 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
8 ms |
976 KB |
Output is correct |
37 |
Correct |
2 ms |
860 KB |
Output is correct |
38 |
Correct |
2 ms |
1116 KB |
Output is correct |
39 |
Correct |
4 ms |
976 KB |
Output is correct |
40 |
Correct |
6 ms |
860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
860 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
860 KB |
Output is correct |
13 |
Correct |
0 ms |
976 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
856 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
0 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
860 KB |
Output is correct |
26 |
Correct |
0 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
860 KB |
Output is correct |
28 |
Correct |
2 ms |
860 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
4 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
860 KB |
Output is correct |
32 |
Correct |
41 ms |
860 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
8 ms |
976 KB |
Output is correct |
37 |
Correct |
2 ms |
860 KB |
Output is correct |
38 |
Correct |
2 ms |
1116 KB |
Output is correct |
39 |
Correct |
4 ms |
976 KB |
Output is correct |
40 |
Correct |
6 ms |
860 KB |
Output is correct |
41 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
23 ms |
4436 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
24 ms |
4688 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
860 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
0 ms |
860 KB |
Output is correct |
5 |
Correct |
0 ms |
860 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
860 KB |
Output is correct |
9 |
Correct |
1 ms |
860 KB |
Output is correct |
10 |
Correct |
1 ms |
860 KB |
Output is correct |
11 |
Correct |
1 ms |
860 KB |
Output is correct |
12 |
Correct |
1 ms |
860 KB |
Output is correct |
13 |
Correct |
0 ms |
976 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
856 KB |
Output is correct |
18 |
Correct |
1 ms |
860 KB |
Output is correct |
19 |
Correct |
0 ms |
860 KB |
Output is correct |
20 |
Correct |
1 ms |
860 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
0 ms |
860 KB |
Output is correct |
25 |
Correct |
1 ms |
860 KB |
Output is correct |
26 |
Correct |
0 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
860 KB |
Output is correct |
28 |
Correct |
2 ms |
860 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
4 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
860 KB |
Output is correct |
32 |
Correct |
41 ms |
860 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
860 KB |
Output is correct |
36 |
Correct |
8 ms |
976 KB |
Output is correct |
37 |
Correct |
2 ms |
860 KB |
Output is correct |
38 |
Correct |
2 ms |
1116 KB |
Output is correct |
39 |
Correct |
4 ms |
976 KB |
Output is correct |
40 |
Correct |
6 ms |
860 KB |
Output is correct |
41 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |