# Status Problem video Level Completes Likes
551

Reverse a linked list using stack

Medium % 0
433

Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution

Beginner % 0
421

Sort a given stack - Using Recursion

Hard % 1
416

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Medium % 0
410

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Medium % 0
398

Smallest Number after Removing K digits

Hard % 0
392

Reverse a Stack using recursion - In Place (Without using extra memory)

Hard % 1
390

Convert Prefix to Postfix Expression

Medium % 0
388

Sort a given stack - Using Temporary Stack

Medium % 0
377

Convert Postfix to Infix Expression

Medium % 0
371

Convert Infix to Prefix Expression

Medium % 0
365

Convert Infix to Postfix Expression

Medium % 0
363

Evaluation of Infix expressions

Medium % 0
362

Stack Java Class - Explained

Beginner % 0
361

Convert Prefix to Infix Expression

Medium % 0
358

Infix, Postfix and Prefix Notations/Expressions

Beginner % 0
354

Valid Multiple Parentheses

Medium % 1
324

Stack Data Structure – Introduction and Implementation

Beginner % 0
323

How to Reverse Text: Stack Method for String Reversal

Beginner % 0
193

Implement Stack Using Linked List

Beginner % 0
108

Queue with Stacks: Efficient Implementation Using Stack Operations

Medium % 0

Reverse a linked list using stack

Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution

Sort a given stack - Using Recursion

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Smallest Number after Removing K digits

Reverse a Stack using recursion - In Place (Without using extra memory)

Convert Prefix to Postfix Expression

Sort a given stack - Using Temporary Stack

Convert Postfix to Infix Expression

Convert Infix to Prefix Expression

Convert Infix to Postfix Expression

Evaluation of Infix expressions

Stack Java Class - Explained

Convert Prefix to Infix Expression

Infix, Postfix and Prefix Notations/Expressions

Valid Multiple Parentheses

Stack Data Structure – Introduction and Implementation

How to Reverse Text: Stack Method for String Reversal

Implement Stack Using Linked List

Queue with Stacks: Efficient Implementation Using Stack Operations