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Category: Stack

December 7, 2021 Data Structure / Queue / Stack

Implement Queue using Stack

Problem Statement: Given a Stack having some elements stored in it. Can you implement aQueue using the given Stack? Queue:

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December 3, 2021 Data Structure / Stack

Next Greater Element Using Stack

Problem Statement: Given a circular integer array A, return the next greater element for every element in A. The next

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December 2, 2021 Data Structure / Stack

Implement Min Stack : O(2N) and O(N) Space Complexity

Problem Statement: Implement Min Stack | O(2N) and O(N) Space Complexity. Design a stack that supports push, pop, top, and

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December 2, 2021 Data Structure / Stack

Implement Stack using single Queue

Problem Statement: Implement a Stack using a single Queue. Note: Stack is a data structure that follows the Last In

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December 1, 2021 Arrays / Data Structure / Stack

Implement Stack using Array

Problem statement: Implement a stack using an array. Note: Stack is a data structure that follows the Last In First

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November 22, 2021 Data Structure / Stack

Check for Balanced Parentheses

Problem Statement: Check Balanced Parentheses. Given string str containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[‘ and ‘]’, check

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