#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
using namespace std;
long long x[2012],y[2012];
long long ccw(int a,int b,int c){
return (x[b]-x[a])*(y[c]-y[a])-(y[b]-y[a])*(x[c]-x[a]);
}
int maximum_deevs(vector<int>a ){
int n = a.size();
for(int i = 0;i<n;i++){
x[i] = i;
y[i] = a[i];
}
int dp[n][n];
memset(dp,0,sizeof dp);
for(int r = 0;r<n;r++){
dp[r][r] = 1;
int last = r;
int sum = 1;
for(int l = r-1;l>=0;l--){
dp[l][r] = dp[l][r-1];
if(ccw(l,last,r)>=0){
sum+=dp[l+1][last-1];
last = l;
dp[l][r] = max(dp[l][r],sum);
}else{
dp[l][r] = max(dp[l][r],sum+dp[l][last-1]);
}
}
}
return dp[0][n-1];
}
//signed main() {
// cout<<maximum_deevs({0,1,2});
//}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
300 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
300 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
304 KB |
Output is correct |
37 |
Correct |
1 ms |
304 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
300 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
300 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
304 KB |
Output is correct |
37 |
Correct |
1 ms |
304 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
596 KB |
Output is correct |
41 |
Correct |
1 ms |
596 KB |
Output is correct |
42 |
Correct |
1 ms |
596 KB |
Output is correct |
43 |
Correct |
1 ms |
596 KB |
Output is correct |
44 |
Correct |
1 ms |
596 KB |
Output is correct |
45 |
Correct |
1 ms |
596 KB |
Output is correct |
46 |
Correct |
1 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
556 KB |
Output is correct |
48 |
Correct |
1 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
596 KB |
Output is correct |
50 |
Correct |
1 ms |
596 KB |
Output is correct |
51 |
Correct |
1 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
53 |
Correct |
1 ms |
596 KB |
Output is correct |
54 |
Correct |
2 ms |
596 KB |
Output is correct |
55 |
Correct |
2 ms |
600 KB |
Output is correct |
56 |
Correct |
1 ms |
596 KB |
Output is correct |
57 |
Correct |
1 ms |
596 KB |
Output is correct |
58 |
Correct |
1 ms |
596 KB |
Output is correct |
59 |
Correct |
1 ms |
596 KB |
Output is correct |
60 |
Correct |
1 ms |
596 KB |
Output is correct |
61 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
300 KB |
Output is correct |
23 |
Correct |
1 ms |
300 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
328 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
300 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
304 KB |
Output is correct |
37 |
Correct |
1 ms |
304 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
596 KB |
Output is correct |
41 |
Correct |
1 ms |
596 KB |
Output is correct |
42 |
Correct |
1 ms |
596 KB |
Output is correct |
43 |
Correct |
1 ms |
596 KB |
Output is correct |
44 |
Correct |
1 ms |
596 KB |
Output is correct |
45 |
Correct |
1 ms |
596 KB |
Output is correct |
46 |
Correct |
1 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
556 KB |
Output is correct |
48 |
Correct |
1 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
596 KB |
Output is correct |
50 |
Correct |
1 ms |
596 KB |
Output is correct |
51 |
Correct |
1 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
53 |
Correct |
1 ms |
596 KB |
Output is correct |
54 |
Correct |
2 ms |
596 KB |
Output is correct |
55 |
Correct |
2 ms |
600 KB |
Output is correct |
56 |
Correct |
1 ms |
596 KB |
Output is correct |
57 |
Correct |
1 ms |
596 KB |
Output is correct |
58 |
Correct |
1 ms |
596 KB |
Output is correct |
59 |
Correct |
1 ms |
596 KB |
Output is correct |
60 |
Correct |
1 ms |
596 KB |
Output is correct |
61 |
Correct |
1 ms |
596 KB |
Output is correct |
62 |
Correct |
6 ms |
4156 KB |
Output is correct |
63 |
Correct |
25 ms |
15956 KB |
Output is correct |
64 |
Correct |
24 ms |
16020 KB |
Output is correct |
65 |
Correct |
23 ms |
15940 KB |
Output is correct |
66 |
Correct |
24 ms |
15956 KB |
Output is correct |
67 |
Correct |
22 ms |
15956 KB |
Output is correct |
68 |
Correct |
23 ms |
15932 KB |
Output is correct |
69 |
Correct |
22 ms |
15956 KB |
Output is correct |
70 |
Correct |
26 ms |
15956 KB |
Output is correct |
71 |
Correct |
27 ms |
15956 KB |
Output is correct |
72 |
Correct |
26 ms |
15956 KB |
Output is correct |
73 |
Correct |
26 ms |
15956 KB |
Output is correct |
74 |
Correct |
27 ms |
15956 KB |
Output is correct |
75 |
Correct |
31 ms |
15992 KB |
Output is correct |
76 |
Correct |
23 ms |
15956 KB |
Output is correct |
77 |
Correct |
28 ms |
15984 KB |
Output is correct |
78 |
Correct |
38 ms |
15984 KB |
Output is correct |
79 |
Correct |
28 ms |
15956 KB |
Output is correct |
80 |
Correct |
27 ms |
15916 KB |
Output is correct |
81 |
Correct |
30 ms |
16004 KB |
Output is correct |
82 |
Correct |
36 ms |
15940 KB |
Output is correct |
83 |
Correct |
24 ms |
15956 KB |
Output is correct |
84 |
Correct |
22 ms |
15956 KB |
Output is correct |
85 |
Correct |
21 ms |
15956 KB |
Output is correct |
86 |
Correct |
20 ms |
15956 KB |
Output is correct |