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# Bitonic Array Maximum (easy)

## Problem Statement

Find the maximum value in a given Bitonic array. An array is considered bitonic if it is monotonically increasing and then monotonically decreasing. Monotonically increasing or decreasing means that for any index i in the array `arr[i] != arr[i+1]`

.

**Example 1**:

```
Input: [1, 3, 8, 12, 4, 2]
Output: 12
Explanation: The maximum number in the input bitonic array is '12'.
```

**Example 2**:

```
Input: [3, 8, 3, 1]
Output: 8
```

**Example 3**:

```
Input: [1, 3, 8, 12]
Output: 12
```

**Example 4**:

```
Input: [10, 9, 8]
Output: 10
```

**Constraints:**

- 1 <= arr

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