Tower of Plates: LIFO Kingdom

Master Push, Pop, Peek & Size Operations

STACK BASE
🧙
HP:
100
Output: Ready to play!

Node Tower Builder

Stack Implementation Using Linked List

NULL
Output: Build your linked list stack!

Duplicate Destroyer: Stack Battle

Remove Consecutive Duplicates - O(N) Solution

STACK
RESULT
Status: Enter a string and watch duplicates explode!

Formula Chamber: The Operator's Trial

Convert Infix to Postfix Notation

➡️
OPERATOR STACK

Precedence Rules

^ 3 (Right→Left)
* / 2 (Left→Right)
+ - 1 (Left→Right)
Status: Enter an infix expression to convert!

Reversal Temple: Prefix Awakening

Convert Infix to Prefix Notation

OPERATOR STACK
Status: Master the art of prefix conversion!

Reverse Polish Arena: Evaluate to Survive

Postfix Expression Evaluation

TOKEN QUEUE
EVALUATION STACK
👹
VS
?
Battle Status: Enter RPN expression to defeat enemies!

Expression Forest: Build the Syntax Tree

Build Expression Trees from Postfix/Prefix

NODE STACK
Status: Build expression trees using stacks!

Left Guardian: Bar Tower Puzzle

Nearest Smaller to Left (NSL)

STACK
Index Value NSL Value NSL Index
Status: Find the nearest smaller element to the left!

Right Shadow: Tower Collapse Challenge

Nearest Smaller to Right (NSR)

STACK
Index Value NSR Value NSR Index
Status: Find the nearest smaller element to the right!

Giant Hunter: Greater Element Quest

Next Greater Element (NGE)

STACK
Index Value NGE Value NGE Index
Status: Hunt for the next greater element!

Rectangle Titan: Histogram World

Largest Rectangle in Histogram

INDEX STACK

Calculations

Current Index: -
Height: -
Width: -
Area: -
Max Area: 0
Status: Find the largest rectangle in the histogram!