Your function should return length = 5, with the first five elements of nums being 1, 1, 2, 2 and 3. It doesn't matter what you leave beyond the new length. 这道题和26题的思路很像，依旧是用Two Pointers的方法解决。

Microsoft Excel is perhaps the most powerful spreadsheet application you can buy. But it also has some simple functions, like finding duplicates in data.

The best free software to delete duplicate photos and clean up your photo folder.

Q. What is the best way to identify duplicate transactions that could have been entered into my Excel spreadsheet? A. Duplicates in spreadsheets can compromise data integrity, making it difficult to ...

If you want to delete duplicate Favorites in Microsoft Edge, then use this built-in option to remove duplicate bookmarks from the browser.

It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java that simplify that process. Finding duplicates in a Java list? That’s actually a bit more complicated, but ...

How to remove duplicates from a List in Java There are several ways to find duplicates in a Java List, array or other collection class. The following list describes some of the most commonly used ...

Install the Remove Duplicates add-on from the Google Workspace Marketplace. In your sheet, click Extensions, then Remove Duplicates, and choose: Find Duplicates or Uniques.