leetcode-problemset/leetcode-cn/problem (English)/一次编辑(English) [one-away-lcci].html

<p>There are three types of edits that can be performed on strings: insert a character, remove a character, or replace a character. Given two strings, write a function to check if they are one edit (or zero edits) away.</p>



<p>&nbsp;</p>



<p><strong>Example&nbsp;1:</strong></p>



<pre>

<strong>Input:</strong> 

first = &quot;pale&quot;

second = &quot;ple&quot;

<strong>Output:</strong> True

</pre>



<p><strong>Example&nbsp;2:</strong></p>



<pre>

<strong>Input:</strong> 

first = &quot;pales&quot;

second = &quot;pal&quot;

<strong>Output:</strong> False

</pre>