Update 14-stack-queue.md

darecoder · web-flow · commit e1e0ef5515a7 · 2021-10-30T10:34:10.000+05:30
diff --git a/assignments/14-stack-queue.md b/assignments/14-stack-queue.md
@@ -9,6 +9,9 @@
 - [Number of Recent Calls](https://leetcode.com/problems/number-of-recent-calls/) `leetcode`
 - [Reverse First K elements of Queue](https://practice.geeksforgeeks.org/problems/reverse-first-k-elements-of-queue/1/) `GFG`
 - [Delete middle element of a stack](https://practice.geeksforgeeks.org/problems/delete-middle-element-of-a-stack/1/) `GFG`
+- [Inorder Traversal (Iterative)](https://practice.geeksforgeeks.org/problems/inorder-traversal-iterative/1/) `GFG`
+- [Preorder traversal (Iterative)](https://practice.geeksforgeeks.org/problems/preorder-traversal-iterative/1/) `GFG`
+- [Flood fill](https://leetcode.com/problems/flood-fill/) `leetcode`
 
 ## Medium
 - [Design a Stack With Increment Operation](https://leetcode.com/problems/design-a-stack-with-increment-operation/) `leetcode`
@@ -19,14 +22,20 @@
 - [Design circular Queue](https://leetcode.com/problems/design-circular-queue/) `leetcode`
 - [Find the Most Competitive Subsequence](https://leetcode.com/problems/find-the-most-competitive-subsequence/) `leetcode`
 - [Design Front Middle Back Queue](https://leetcode.com/problems/design-front-middle-back-queue/) `leetcode`
+- [Circular tour](https://practice.geeksforgeeks.org/problems/circular-tour/1) `GFG` `Amex` `Amazon`
 - [Task Scheduler](https://leetcode.com/problems/task-scheduler/) `leetcode`
 - [Stock span problem](https://practice.geeksforgeeks.org/problems/stock-span-problem-1587115621/1/) `GFG`
 - [Max Rectangle](https://practice.geeksforgeeks.org/problems/max-rectangle/1/) `GFG`
 - [The Celebrity Problem](https://practice.geeksforgeeks.org/problems/the-celebrity-problem/1/) `Google` `GFG`
 - [Maximum Rectangular Area in a Histogram](https://practice.geeksforgeeks.org/problems/maximum-rectangular-area-in-a-histogram-1587115620/1/) `GFG`
+- [Binary Tree Right Side View](https://leetcode.com/problems/binary-tree-right-side-view/) `leetcode`
+- [Snake and Ladders](https://leetcode.com/problems/snakes-and-ladders/) `leetcode`
 
 ## Hard
 - [Implement Queue using Stacks](https://leetcode.com/problems/implement-queue-using-stacks/) `leetcode`
 - [Longest Valid Parantheses](https://leetcode.com/problems/longest-valid-parentheses/) `leetcode`
 - [Sliding window maximum](https://leetcode.com/problems/sliding-window-maximum/) `leetcode`
 - [Brace Expansion II](https://leetcode.com/problems/brace-expansion-ii/) `leetcode`
+- [Card Rotation](https://practice.geeksforgeeks.org/problems/card-rotation5834/1/) `GFG`
+- [Minimum steps to reach target by a Knight](https://www.geeksforgeeks.org/minimum-steps-reach-target-knight/) `GFG`
+- [Count number of islands](https://leetcode.com/problems/number-of-islands/) `leetcode`
