mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-09-06 16:01:41 +08:00
存量题库数据更新
This commit is contained in:
@@ -1,9 +1,12 @@
|
||||
Write code that enhances all arrays such that you can call the <code>array.last()</code> method on any array and it will return the last element. If there are no elements in the array, it should return <code>-1</code>.
|
||||
<p>Write code that enhances all arrays such that you can call the <code>array.last()</code> method on any array and it will return the last element. If there are no elements in the array, it should return <code>-1</code>.</p>
|
||||
|
||||
<p>You may assume the array is the output of <code>JSON.parse</code>.</p>
|
||||
|
||||
<p> </p>
|
||||
<p><strong class="example">Example 1:</strong></p>
|
||||
|
||||
<pre>
|
||||
<strong>Input:</strong> nums = [1,2,3]
|
||||
<strong>Input:</strong> nums = [null, {}, 3]
|
||||
<strong>Output:</strong> 3
|
||||
<strong>Explanation:</strong> Calling nums.last() should return the last element: 3.
|
||||
</pre>
|
||||
@@ -20,6 +23,6 @@ Write code that enhances all arrays such that you can call the <code>array.
|
||||
<p><strong>Constraints:</strong></p>
|
||||
|
||||
<ul>
|
||||
<li><code>arr</code> is a valid JSON array</li>
|
||||
<li><code>0 <= arr.length <= 1000</code></li>
|
||||
<li><code>0 <= arr[i] <= 1000</code></li>
|
||||
</ul>
|
||||
|
Reference in New Issue
Block a user