The problem is asking to find the length of the longest subarray with all distinct elements. Here is a step-by-step solution in Python:

1. First, we need to define a function that takes an array as an input.

```python
def longest_subarray(arr):
```

2. We will use a sliding window approach to solve this problem. We will initialize two pointers, `start` and `end`, to 0 and an empty dictionary to keep track of the elements in the current window.

```python
start = 0
end = 0
max_length = 0
window = {}
```

3. We will iterate over the array using a while loop. In each iteration, we will add the current element to the window dictionary and move the `end` pointer one step forward.

```python
while end

Question

The problem is asking to find the length of the longest subarray with all distinct elements. Here is a step-by-step solution in Python:

1. First, we need to define a function that takes an array as an input.

```python
def longest_subarray(arr):
```

2. We will use a sliding window approach to solve this problem. We will initialize two pointers, `start` and `end`, to 0 and an empty dictionary to keep track of the elements in the current window.

```python
    start = 0
    end = 0
    max_length = 0
    window = {}
```

3. We will iterate over the array using a while loop. In each iteration, we will add the current element to the window dictionary and move the `end` pointer one step forward.

```python
    while end < len(arr):
        if arr[end] not in window:
            window[arr[end]] = 1
        else:
            window[arr[end]] += 1
```

4. If the current window has all distinct elements, we update the `max_length`.

```python
        while len(window) < end - start + 1:
            if window[arr[start]] == 1:
                del window[arr[start]]
            else:
                window[arr[start]] -= 1

Knowee AI · Accepted Answer

The problem is asking to find the length of the longest subarray with all distinct elements. Here is a step-by-step solution in Python:

1. First, we need to define a function that takes an array as an input.

```python
def longest_subarray(arr):
```

2. We will use a sliding window approach to solve this problem. We will initialize two pointers, `start` and `end`, to 0 and an empty dictionary to keep track of the elements in the current window.

```python
    start = 0
    end = 0
    max_length = 0
    window = {}
```

3. We will iterate over the array using a while loop. In each iteration, we will add the current element to the window dictionary and move the `end` pointer one step forward.

```python
    while end < len(arr):
        if arr[end] not in window:
            window[arr[end]] = 1
        else:
            window[arr[end]] += 1
```

4. If the current window has all distinct elements, we update the `max_length`.

```python
        while len(window) < end - start + 1:
            if window[arr[start]] == 1:
                del window[arr[start]]
            else:
                window[arr[start]] -= 1

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