TopCoder

Caido
$\mathbb{W}\mathcal{aimai}\sim$

User's AC Ratio

66.7% (6/9)

Submission's AC Ratio

50.0% (8/16)

Tags

Description

Input Format

Output Format

Sample Input 1

6
1 2 1 3 2 1

Sample Output 1

4

Sample Input 2

5
4 8 7 6 3

Sample Output 2

7

Sample Input 3

4
10 10 10 10

Sample Output 3

21

Sample Input 4

9
8 6 4 1 9 7 5 3 2

Sample Output 4

0

Hints

Problem Source

2022 網際網路程式設計全國大賽
高中組決賽

Subtasks

No. Testdata Range Constraints Score
1 0~3 範例測資 0
2 0~57 無額外限制 100

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 1048576 65536 1 2
1 1000 1048576 65536 1 2
2 1000 1048576 65536 1 2
3 1000 1048576 65536 1 2
4 1000 1048576 65536 2
5 1000 1048576 65536 2
6 1000 1048576 65536 2
7 1000 1048576 65536 2
8 1000 1048576 65536 2
9 1000 1048576 65536 2
10 1000 1048576 65536 2
11 1000 1048576 65536 2
12 1000 1048576 65536 2
13 1000 1048576 65536 2
14 1000 1048576 65536 2
15 1000 1048576 65536 2
16 1000 1048576 65536 2
17 1000 1048576 65536 2
18 1000 1048576 65536 2
19 1000 1048576 65536 2
20 1000 1048576 65536 2
21 1000 1048576 65536 2
22 1000 1048576 65536 2
23 1000 1048576 65536 2
24 1000 1048576 65536 2
25 1000 1048576 65536 2
26 1000 1048576 65536 2
27 1000 1048576 65536 2
28 1000 1048576 65536 2
29 1000 1048576 65536 2
30 1000 1048576 65536 2
31 1000 1048576 65536 2
32 1000 1048576 65536 2
33 1000 1048576 65536 2
34 1000 1048576 65536 2
35 1000 1048576 65536 2
36 1000 1048576 65536 2
37 1000 1048576 65536 2
38 1000 1048576 65536 2
39 1000 1048576 65536 2
40 1000 1048576 65536 2
41 1000 1048576 65536 2
42 1000 1048576 65536 2
43 1000 1048576 65536 2
44 1000 1048576 65536 2
45 1000 1048576 65536 2
46 1000 1048576 65536 2
47 1000 1048576 65536 2
48 1000 1048576 65536 2
49 1000 1048576 65536 2
50 1000 1048576 65536 2
51 1000 1048576 65536 2
52 1000 1048576 65536 2
53 1000 1048576 65536 2
54 1000 1048576 65536 2
55 1000 1048576 65536 2
56 1000 1048576 65536 2
57 1000 1048576 65536 2