Updated Readme 💨

README.md

@@ -25,21 +25,16 @@ The Topics and Algorithms covered in this repository are as follows:
     * Tree from in-order and pre-order/post-order
     * BST to DLL
     * Btree to DLL
-* Matrix
-    * Boolean Matrix
-    * Min/Max cost path in Matrix
-    * Matrix path exists
-    * Rotate matrix by 90 degrees
-    * Rotten tomatoes problem
-    * Spiral traversal of Matrix
 * Linked Lists (SLL, DLL)
     * Basic operations(Insert, delete, middle)
     * Reverse, K-nodes reverse (Iterative, recursive)
+    * Incremental K-node reverse
     * Check LL is palindrome
     * Dutch national flag problem(separate 0's, 1's, 2's)
     * Add two number represented in linked lists
     * Merge sort on SLL, DLL
     * Detect and correct loop in linked list
+    * Decimal equivalent of binary linked list
 * Heaps
     * Min heap implementation
     * Max heap implementation
@@ -48,8 +43,33 @@ The Topics and Algorithms covered in this repository are as follows:
     * Merge K sorted arrays
     * Kth largest/smallest element in stream
     * Median in stream using two heaps
+* Stacks & queues
+    * Rotten tomatoes problem
+    * Check for balanced parenthesis
+    * Next greater element in the array
+    * Next smaller element in the array ([link](https://www.geeksforgeeks.org/next-smaller-element/))
+    * Implementing K queues in one array
+    * Implementing K stacks in one array
+    * Minimum bracket reversal to balance expression
+    * Implement two stacks in one array
+* Matrix
+    * Boolean Matrix
+    * Min/Max cost path in Matrix
+    * Matrix path exists
+    * Rotate matrix by 90 degrees
+    * Spiral traversal of Matrix
 * Arrays
     * Chocolate distribution problem
     * Sliding window problem
     * Rain water trapping problem
+    * Search in Rotated array
+    * Bus/Train railway platform problem
+    * Stocks Buy & Sell problem
+    * Non repeating character in stream
+* Strings
     * Largest number smaller than N with same digits
+    * Longest common substring in two strings
+    * Longest palindromic sub-sequence in one string
+    * Word break problem
+* Tries
+    * Basic operations