leetcode

LeetcodeRefs.md

@@ -1,14 +1,12 @@
 ## [practicing efficiently](https://leetcode.com/discuss/study-guide/2009997/how-to-get-started-with-dsa-and-practice-leetcode-efficiently )  
 > useful resource for getting better at dsa/leetcode. 
 
-
 ## [Study plan](https://leetcode.com/discuss/study-guide/494279/Comprehensive-Data-Structure-and-Algorithm-Study-Guide) 
 > resources for Datastructure and algorithms.
 
 ## [Graphs](https://leetcode.com/discuss/study-guide/655708/Graph-For-Beginners-Problems-or-Pattern-or-Sample-Solutions) 
 > templets and curated list of graph problems. 
 
-
-
 ## [OOP](https://leetcode.com/discuss/study-guide/1852219/Object-Oriented-Programming-Made-Easy) 
-> OOP Main ideas.
+> OOP Main ideas. 
+

notes.md

@@ -0,0 +1,49 @@
+# Topics
+
+# Two Pointers 
+# Binary Search 
+# Sliding Window 
+# Prefix Sum 
+[prefix sum](https://leetcode.com/discuss/general-discussion/563022/prefix-sum-problems) 
+
+
+# Hash Table
+# Stack
+# Queue 
+## Sets 
+
+## Divide and Conquer 
+## Recursion 
+
+[Recursion](https://leetcode.com/discuss/study-guide/1733447/Become-Master-In-Recursion)
+
+# Backtracking
+# Dynamic Programming  
+Resources: youtube video on freecodecamp 
+
+[dynamic programming patterns](https://leetcode.com/discuss/study-guide/458695/Dynamic-Programming-Patterns) 
+
+
+
+# Greedy
+# Bit Manipulation
+# String Manipulation
+# Tree
+# Graph 
+    - DFS 
+    - BFS 
+    - Topological Sort 
+    - Shortest Path 
+    - Minimum Spanning Tree 
+    - union find
+
+# Sort
+# Search
+# Math
+
+
+# Array
+# Trie
+# Linked List 
+# Binary Search Tree
+# Heap