TopCoder

User's AC Ratio

75.0% (3/4)

Submission's AC Ratio

37.5% (3/8)

Tags

Description

Input Format

Output Format

Sample Input 1

4
1 3 4 2

Sample Output 1

1

Sample Input 2

5
10 20 30 40 50

Sample Output 2

0

Sample Input 3

5
1 2 100 3 4

Sample Output 3

2

Hints

Problem Source

YTP 2021 高中組初賽 p7

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~29 無額外限制 20

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 262144 65536 1 2
1 1000 262144 65536 1 2
2 1000 262144 65536 1 2
3 1000 262144 65536 2
4 1000 262144 65536 2
5 1000 262144 65536 2
6 1000 262144 65536 2
7 1000 262144 65536 2
8 1000 262144 65536 2
9 1000 262144 65536 2
10 1000 262144 65536 2
11 1000 262144 65536 2
12 1000 262144 65536 2
13 1000 262144 65536 2
14 1000 262144 65536 2
15 1000 262144 65536 2
16 1000 262144 65536 2
17 1000 262144 65536 2
18 1000 262144 65536 2
19 1000 262144 65536 2
20 1000 262144 65536 2
21 1000 262144 65536 2
22 1000 262144 65536 2
23 1000 262144 65536 2
24 1000 262144 65536 2
25 1000 262144 65536 2
26 1000 262144 65536 2
27 1000 262144 65536 2
28 1000 262144 65536 2
29 1000 262144 65536 2