LeetCode Solutions

My collection of algorithms and data structures from solving LeetCode problems. I use this to practice coding and learn new concepts.

https://leetcode.com/problemset/algorithms/

How to run tests

# Run all tests
npm test

# Run tests in watch mode
npm run test:watch

Directory structure

• data-structures/
  • priority-queue.ts - Min-heap priority queue implementation
  • find-union.ts - Union-Find (Disjoint Set) data structure
• graphs/ - Graph-related algorithms and problems
  • algorithms/dijkstra.ts - Dijkstra's shortest path algorithm
  • minimal-spanning-tree-kruskal.ts - Kruskal's MST algorithm
  • find-city-with-smallest-number-of-neighbors.ts - Floyd-Warshall all-pairs shortest path
• trees/ - Binary tree algorithms and problems
• greedy/ - Greedy algorithm solutions
  • container-with-most-water/ - Two-pointer greedy approach
  • longest-substring-without-repeating/ - Sliding window technique
  • 3sum/, 3sum-closest/ - Multiple pointer strategies
• divide-and-conquer/ - Divide and conquer algorithms
  • quick-sort.ts - Quick sort implementation