Topic
Max stack
Find Index of Closing Bracket for a Given Opening Bracket in an Expression
Design a stack that supports getMin() in O(1) time and O(1) extra space
Sort a stack using recursion
Delete middle element of a stack
Sorting array using Stacks
Sort a stack using a temporary stack
Reverse a stack without using extra space in O(n)
Bubble sort using two Stacks
Count subarrays where second highest lie before highest
Find maximum difference between nearest left and right smaller elements
Remove brackets from an algebraic string containing + and – operators
Implement a stack using single queue
Form Minimum Number From Given Sequence
Pattern Occurrences using Stack
Iterative Postorder Traversal Using Two Stacks
Stack Permutations (Check if an array is stack permutation of other)
Growable array based stack
Tracking current Maximum Element in a Stack
Iterative method to find ancestors of a given binary tree
Check if stack elements are pairwise consecutive
Identify and Mark Unmatched Parenthesis in an Expression
Minimum Bracket Reversals
Reverse a Number Using Stack
Check if Two Expressions With Brackets are Same
Min Stack
Implement Stack using Queues
Arithmetic Expression Evaluation
Maximum Product of Indexes of Next Greater on Left and Right
Check for Balanced Parentheses in an Expression
Evaluation of Postfix Expression
Reverse a Stack Using Recursion
Find if an Expression has Duplicate Parenthesis or Not
How to Implement Stack Using Priority Queue or Heap?
Iterative Tower of Hanoi
How to Efficiently Implement k Stacks in a Single Array?
Find Maximum Depth of Nested Parenthesis in a String
Expression Evaluation
How to Create Mergable Stack?
The Stock Span Problem
Find Maximum Sum Possible Equal Sum of Three Stacks
Print Next Greater Number of Q queries
Check if an Array is Stack Sortable
Reverse a String using Stack
Number of NGEs to the Right
Balanced Expression with Replacement
Decode String
Recursion
Prefix to Infix Conversion
Postfix to Infix Conversion
Prefix to Postfix Conversion
Postfix to Prefix Conversion
Backspace String Compare