> For the complete documentation index, see [llms.txt](https://dvpr.gitbook.io/coding-interview-patterns/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dvpr.gitbook.io/coding-interview-patterns/2.-pattern-two-pointers.md).

# 2. Pattern: Two Pointers

**1. One pointer at each end**

One pointer starts from beginning and other from the end and they proceed towards each other![](https://s3.ap-south-1.amazonaws.com/afteracademy-server-uploads/what-is-the-two-pointer-technique-type1-0f96379aee2ce0dc.png)

**2. Different Paces**

Both pointers start from the beginning but one pointer moves at a faster pace than the other one.![](https://s3.ap-south-1.amazonaws.com/afteracademy-server-uploads/what-is-the-two-pointer-technique-type2-0ff52ece0ef1829c.png)