Array Prototype Last — LeetCode 2619 Python Solution
EasyJavaScript
- Problem
- #2619
- Reading time
- 2 min
- Source
- leetcode.com
The problem
Write code that enhances all arrays such that you can call the array.last() method on any array and it will return the last element. If there are no elements in the array, it should return -1.
Example
- Input
- nums = [null, {}, 3]
- Output
- 3
- Explanation
- Calling nums.last() should return the last element: 3.
Complexity
| Measure | Complexity |
|---|---|
| Time | O(n) |
| Space | O(1) to O(n) auxiliary |
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Frequently asked questions
- How hard is LeetCode 2619. Array Prototype Last?
- LeetCode 2619. Array Prototype Last is rated Easy on LeetCode.
- What topics does LeetCode 2619. Array Prototype Last cover?
- LeetCode 2619. Array Prototype Last is tagged JavaScript on LeetCode.