🎯 LeetCode Patterns - Week 4

Pattern: Floyd's Cycle Detection

Detect cycles and find duplicates using two pointers moving at different speeds. Visualize the tortoise and hare algorithm in action!

Pattern: Sort + Merge

Schedule meetings and merge overlapping time ranges. Interactive calendar visualizer with real-world scheduling problems.

Pattern: Try & Backtrack

Solve N-Queens and Sudoku with animated backtracking. Watch the decision tree explore all possibilities!

Pattern: Heap / Priority Queue

Find top K elements efficiently using heaps. Visualize heap operations and leaderboard systems!

Pattern: DFS / BFS Traversals

Master tree traversals, path sums, and serialization. Interactive tree builder with all traversal types!

Pattern: Combinations Generator

Generate all subsets, permutations, and combinations. Visualize the decision tree for combinatorial problems!