Add dummy node technique for linked lists

ashishps1 · web-flow · commit c0530f11df3f · 2024-06-15T00:16:50.000-07:00
diff --git a/README.md b/README.md
@@ -10,6 +10,7 @@ Awesome LeetCode resources to learn Data Structures and Algorithms (DSA) and pre
 - [Time Complexity](https://www.freecodecamp.org/news/big-o-cheat-sheet-time-complexity-chart/)
 - [Big-O Cheat Sheet](https://www.bigocheatsheet.com/)
 - [Linked List](https://leetcode.com/discuss/study-guide/1800120/become-master-in-linked-list)
+  - [Dummy Node Technique](https://blog.algomaster.io/p/5d7a1368-7a0c-461a-93a9-732333ceb2a8)
 - [Queues](https://medium.com/basecs/to-queue-or-not-to-queue-2653bcde5b04)
 - [Stacks](https://medium.com/basecs/stacks-and-overflows-dbcf7854dc67)
 - [Hash Tables](https://medium.com/basecs/taking-hash-tables-off-the-shelf-139cbf4752f0)
