Contest Duration: - (local time) (100 minutes) Back to Home
C - Lower /

Time Limit: 2 sec / Memory Limit: 1024 MB

### 問題文

あなたは好きなマスに降り立ち、右隣のマスの高さが今居るマスの高さ以下である限り右隣のマスへ移動し続けます。

### 制約

• 入力は全て整数である。
• 1 \leq N \leq 10^5
• 1 \leq H_i \leq 10^9

### 入力

N
H_1 H_2 ... H_N


### 入力例 1

5
10 4 8 7 3


### 出力例 1

2


### 入力例 2

7
4 4 5 6 6 5 5


### 出力例 2

3


### 入力例 3

4
1 2 3 4


### 出力例 3

0


Score : 300 points

### Problem Statement

There are N squares arranged in a row from left to right.

The height of the i-th square from the left is H_i.

You will land on a square of your choice, then repeat moving to the adjacent square on the right as long as the height of the next square is not greater than that of the current square.

Find the maximum number of times you can move.

### Constraints

• All values in input are integers.
• 1 \leq N \leq 10^5
• 1 \leq H_i \leq 10^9

### Input

Input is given from Standard Input in the following format:

N
H_1 H_2 ... H_N


### Output

Print the maximum number of times you can move.

### Sample Input 1

5
10 4 8 7 3


### Sample Output 1

2


By landing on the third square from the left, you can move to the right twice.

### Sample Input 2

7
4 4 5 6 6 5 5


### Sample Output 2

3


By landing on the fourth square from the left, you can move to the right three times.

### Sample Input 3

4
1 2 3 4


### Sample Output 3

0