435 . 魔杖

Submit
Status
Discussion / Solution
Ranklist
Back to Problems List

TopCoder

Caido
主唱太拼命了

User's AC Ratio

100.0% (19/19)

Submission's AC Ratio

31.8% (27/85)

Tags

ytp ytp-senior ytp-2024

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

5 5
1 2 3 2 1

Sample Output 1

1

Sample Input 2

5 4
1 2 3 2 1

Sample Output 2

0

Sample Input 3

4 5
1 2 3 4

Sample Output 3

1

Hints

Problem Source

YTP 2024 高中組初賽 p2

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~19 $n \leq 1000$ 2
3 0~33 無額外限制 8

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1500 524288 65536 1 2 3
1 1500 524288 65536 1 2 3
2 1500 524288 65536 1 2 3
3 1500 524288 65536 2 3
4 1500 524288 65536 2 3
5 1500 524288 65536 2 3
6 1500 524288 65536 2 3
7 1500 524288 65536 2 3
8 1500 524288 65536 2 3
9 1500 524288 65536 2 3
10 1500 524288 65536 2 3
11 1500 524288 65536 2 3
12 1500 524288 65536 2 3
13 1500 524288 65536 2 3
14 1500 524288 65536 2 3
15 1500 524288 65536 2 3
16 1500 524288 65536 2 3
17 1500 524288 65536 2 3
18 1500 524288 65536 2 3
19 1500 524288 65536 2 3
20 1500 524288 65536 3
21 1500 524288 65536 3
22 1500 524288 65536 3
23 1500 524288 65536 3
24 1500 524288 65536 3
25 1500 524288 65536 3
26 1500 524288 65536 3
27 1500 524288 65536 3
28 1500 524288 65536 3
29 1500 524288 65536 3
30 1500 524288 65536 3
31 1500 524288 65536 3
32 1500 524288 65536 3
33 1500 524288 65536 3
Submit
Back to Top