#include <bits/stdc++.h>
using namespace std;
const int nx=305;
int n, a[nx], l[nx], r[nx], lst=-1, dp[nx][nx], res, cnt;
int cost(int a, int b)
{
int mn=1e9;
if (l[a]!=-1) mn=min(mn, abs(a-l[a])+abs(b-l[a]));
if (r[a]!=-1) mn=min(mn, abs(a-r[a])+abs(b-r[a]));
return mn;
}
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n;
for (int i=1; i<=n; i++) cin>>a[i];
for (int i=1; i<=n; i++)
{
if (a[i]==-1) lst=i;
if (a[i]>0) l[i]=lst, cnt+=a[i];
}
lst=-1;
for (int i=n; i>=1; i--)
{
if (a[i]==-1) lst=i;
if (a[i]>0) r[i]=lst;
}
for (int i=1; i<=n; i++)
{
if (a[i]>0)
{
for (int j=1; j<=n; j++) dp[i][j]=1e9;
dp[i][1]=i-1;
for (int j=1; j<i; j++) if (a[j]>0) for (int k=1; k<=i; k++) if (dp[j][k]+cost(j, i)<=2*(i-1)) dp[i][k+1]=min(dp[i][k+1], dp[j][k]+cost(j, i));
for (int j=2; j<=min(n-1, a[i]); j++)
{
for (int k=n-1; k>=1; k--) if (dp[i][k]+cost(i, i)<=2*(i-1)) dp[i][k+1]=min(dp[i][k+1], dp[i][k]+cost(i, i));
}
for (int j=1; j<=i; j++)
{
if (dp[i][j]<1e9) res=max(res, j);
}
}
}
cout<<cnt-res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
5 ms |
604 KB |
Output is correct |
28 |
Correct |
9 ms |
744 KB |
Output is correct |
29 |
Correct |
6 ms |
604 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
4 ms |
624 KB |
Output is correct |
32 |
Correct |
2 ms |
600 KB |
Output is correct |
33 |
Correct |
5 ms |
604 KB |
Output is correct |
34 |
Correct |
4 ms |
604 KB |
Output is correct |
35 |
Correct |
3 ms |
604 KB |
Output is correct |
36 |
Correct |
3 ms |
600 KB |
Output is correct |
37 |
Correct |
4 ms |
600 KB |
Output is correct |
38 |
Correct |
4 ms |
604 KB |
Output is correct |
39 |
Correct |
6 ms |
732 KB |
Output is correct |
40 |
Correct |
3 ms |
604 KB |
Output is correct |
41 |
Correct |
3 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
5 ms |
604 KB |
Output is correct |
28 |
Correct |
9 ms |
744 KB |
Output is correct |
29 |
Correct |
6 ms |
604 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
4 ms |
624 KB |
Output is correct |
32 |
Correct |
2 ms |
600 KB |
Output is correct |
33 |
Correct |
5 ms |
604 KB |
Output is correct |
34 |
Correct |
4 ms |
604 KB |
Output is correct |
35 |
Correct |
3 ms |
604 KB |
Output is correct |
36 |
Correct |
3 ms |
600 KB |
Output is correct |
37 |
Correct |
4 ms |
600 KB |
Output is correct |
38 |
Correct |
4 ms |
604 KB |
Output is correct |
39 |
Correct |
6 ms |
732 KB |
Output is correct |
40 |
Correct |
3 ms |
604 KB |
Output is correct |
41 |
Correct |
3 ms |
604 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
604 KB |
Output is correct |
45 |
Correct |
3 ms |
696 KB |
Output is correct |
46 |
Correct |
1 ms |
348 KB |
Output is correct |
47 |
Correct |
1 ms |
604 KB |
Output is correct |
48 |
Correct |
5 ms |
604 KB |
Output is correct |
49 |
Correct |
3 ms |
604 KB |
Output is correct |
50 |
Correct |
18 ms |
752 KB |
Output is correct |
51 |
Correct |
20 ms |
856 KB |
Output is correct |
52 |
Correct |
10 ms |
704 KB |
Output is correct |
53 |
Correct |
49 ms |
744 KB |
Output is correct |
54 |
Correct |
50 ms |
604 KB |
Output is correct |
55 |
Correct |
52 ms |
600 KB |
Output is correct |
56 |
Correct |
1 ms |
344 KB |
Output is correct |
57 |
Correct |
5 ms |
648 KB |
Output is correct |
58 |
Correct |
11 ms |
692 KB |
Output is correct |
59 |
Correct |
7 ms |
604 KB |
Output is correct |
60 |
Correct |
21 ms |
744 KB |
Output is correct |
61 |
Correct |
6 ms |
604 KB |
Output is correct |
62 |
Correct |
12 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
5 ms |
604 KB |
Output is correct |
28 |
Correct |
9 ms |
744 KB |
Output is correct |
29 |
Correct |
6 ms |
604 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
4 ms |
624 KB |
Output is correct |
32 |
Correct |
2 ms |
600 KB |
Output is correct |
33 |
Correct |
5 ms |
604 KB |
Output is correct |
34 |
Correct |
4 ms |
604 KB |
Output is correct |
35 |
Correct |
3 ms |
604 KB |
Output is correct |
36 |
Correct |
3 ms |
600 KB |
Output is correct |
37 |
Correct |
4 ms |
600 KB |
Output is correct |
38 |
Correct |
4 ms |
604 KB |
Output is correct |
39 |
Correct |
6 ms |
732 KB |
Output is correct |
40 |
Correct |
3 ms |
604 KB |
Output is correct |
41 |
Correct |
3 ms |
604 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
604 KB |
Output is correct |
45 |
Correct |
3 ms |
696 KB |
Output is correct |
46 |
Correct |
1 ms |
348 KB |
Output is correct |
47 |
Correct |
1 ms |
604 KB |
Output is correct |
48 |
Correct |
5 ms |
604 KB |
Output is correct |
49 |
Correct |
3 ms |
604 KB |
Output is correct |
50 |
Correct |
18 ms |
752 KB |
Output is correct |
51 |
Correct |
20 ms |
856 KB |
Output is correct |
52 |
Correct |
10 ms |
704 KB |
Output is correct |
53 |
Correct |
49 ms |
744 KB |
Output is correct |
54 |
Correct |
50 ms |
604 KB |
Output is correct |
55 |
Correct |
52 ms |
600 KB |
Output is correct |
56 |
Correct |
1 ms |
344 KB |
Output is correct |
57 |
Correct |
5 ms |
648 KB |
Output is correct |
58 |
Correct |
11 ms |
692 KB |
Output is correct |
59 |
Correct |
7 ms |
604 KB |
Output is correct |
60 |
Correct |
21 ms |
744 KB |
Output is correct |
61 |
Correct |
6 ms |
604 KB |
Output is correct |
62 |
Correct |
12 ms |
604 KB |
Output is correct |
63 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
64 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
5 ms |
604 KB |
Output is correct |
28 |
Correct |
9 ms |
744 KB |
Output is correct |
29 |
Correct |
6 ms |
604 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
4 ms |
624 KB |
Output is correct |
32 |
Correct |
2 ms |
600 KB |
Output is correct |
33 |
Correct |
5 ms |
604 KB |
Output is correct |
34 |
Correct |
4 ms |
604 KB |
Output is correct |
35 |
Correct |
3 ms |
604 KB |
Output is correct |
36 |
Correct |
3 ms |
600 KB |
Output is correct |
37 |
Correct |
4 ms |
600 KB |
Output is correct |
38 |
Correct |
4 ms |
604 KB |
Output is correct |
39 |
Correct |
6 ms |
732 KB |
Output is correct |
40 |
Correct |
3 ms |
604 KB |
Output is correct |
41 |
Correct |
3 ms |
604 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
604 KB |
Output is correct |
45 |
Correct |
3 ms |
696 KB |
Output is correct |
46 |
Correct |
1 ms |
348 KB |
Output is correct |
47 |
Correct |
1 ms |
604 KB |
Output is correct |
48 |
Correct |
5 ms |
604 KB |
Output is correct |
49 |
Correct |
3 ms |
604 KB |
Output is correct |
50 |
Correct |
18 ms |
752 KB |
Output is correct |
51 |
Correct |
20 ms |
856 KB |
Output is correct |
52 |
Correct |
10 ms |
704 KB |
Output is correct |
53 |
Correct |
49 ms |
744 KB |
Output is correct |
54 |
Correct |
50 ms |
604 KB |
Output is correct |
55 |
Correct |
52 ms |
600 KB |
Output is correct |
56 |
Correct |
1 ms |
344 KB |
Output is correct |
57 |
Correct |
5 ms |
648 KB |
Output is correct |
58 |
Correct |
11 ms |
692 KB |
Output is correct |
59 |
Correct |
7 ms |
604 KB |
Output is correct |
60 |
Correct |
21 ms |
744 KB |
Output is correct |
61 |
Correct |
6 ms |
604 KB |
Output is correct |
62 |
Correct |
12 ms |
604 KB |
Output is correct |
63 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
64 |
Halted |
0 ms |
0 KB |
- |