QUEUE & DEQUE
THE FIFO CHRONICLES
🟢 QUEUE ADVENTURES
Master the fundamentals of First-In-First-Out data structures
BANK LINE
The FIFO Adventure
Learn queue basics: add, remove, peek, and size operations
K-FLIP CHALLENGE
Reverse First K Elements
Reverse sections using stack + queue interplay
123 GENERATOR
Queue Expansion Quest
Generate N numbers using digits {1,2,3}
STACK QUEUE FORGE
Adapter Puzzle
Simulate queue using two stacks
LINK QUEUE BUILDER
Node Train
Queue visualized as linked list nodes
🔵 DEQUE KINGDOM
Double-Ended Queue mastery and advanced algorithms
STREAM WATCHER
First Unique Hero
Find first non-repeating character in stream
DOUBLE-ENDED KINGDOM
Deque Operations
Master addFirst, addLast, removeFirst, removeLast
WINDOW TITAN
Max Subarray Power
Sliding window maximum using deque
SLIDE & STRIKE
Window Battle Simulation
Animated dry-run of sliding window algorithm
CLONE WORLD
Random Pointer Adventure
Clone linked list with random pointers