Add additional patterns

ashishps1 · web-flow · commit 98e2d8f02742 · 2024-06-16T00:14:18.000-07:00
diff --git a/README.md b/README.md
@@ -30,6 +30,8 @@ Awesome LeetCode resources to learn Data Structures and Algorithms (DSA) and pre
 
 ## Patterns
 - [14 Coding Interview Patterns](https://hackernoon.com/14-patterns-to-ace-any-coding-interview-question-c5bb3357f6ed)
+- [Fast and Slow Pointers Pattern](https://medium.com/@arifimran5/fast-and-slow-pointer-pattern-in-linked-list-43647869ac99)
+- [Prefix Sum Pattern](https://leetcodethehardway.com/tutorials/basic-topics/prefix-sum)
 - [Sliding Window patterns](https://leetcode.com/problems/frequency-of-the-most-frequent-element/solutions/1175088/C++-Maximum-Sliding-Window-Cheatsheet-Template/)
 - [Two Pointers Patterns](https://leetcode.com/discuss/study-guide/1688903/Solved-all-two-pointers-problems-in-100-days)
 - [Substring Problem Patterns](https://leetcode.com/problems/minimum-window-substring/solutions/26808/Here-is-a-10-line-template-that-can-solve-most-'substring'-problems/)
