1
0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-09-06 16:01:41 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee

存量题库数据更新

This commit is contained in:
2023-12-09 18:42:21 +08:00
parent a788808cd7
commit c198538f10
10843 changed files with 288489 additions and 248355 deletions

View File

@@ -1,9 +1,12 @@
Write code that enhances all arrays such that you can call the&nbsp;<code>array.last()</code>&nbsp;method on any array and it will return the last element. If there are no elements in the array, it should return&nbsp;<code>-1</code>.
<p>Write code that enhances all arrays such that you can call the&nbsp;<code>array.last()</code>&nbsp;method on any array and it will return the last element. If there are no elements in the array, it should return&nbsp;<code>-1</code>.</p>
<p>You may assume the array is the output of&nbsp;<code>JSON.parse</code>.</p>
<p>&nbsp;</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&nbsp;<code>array.
<p><strong>Constraints:</strong></p>
<ul>
<li><code>arr</code> is a valid JSON array</li>
<li><code>0 &lt;= arr.length &lt;= 1000</code></li>
<li><code>0 &lt;= arr[i] &lt;= 1000</code></li>
</ul>