Ranking #Dev: Global TOP 200 (Certificate)
Languages: Swift, Shell, Database (T-SQL, PL/SQL, MySQL), Concurrency (Python3).
Algorithms: linked lists, binary search, hash table, queue/stack, dfs/bfs, sort, heap/hash, two pointers, sliding window, tree, greedy problems etc.
Other TypeScript solutions: https://github.com/sergeyleschev/leetcode-typescript