about algorthm, data structure used to solve leetcode problems
algorthm and data structure written in Javascript, plus some classic algorithms even though they are not applied in solving any problems
- alg: questions about algorithm problems
- geometry
- math
- optimization (dynamic programming, greedy)
- sequence (merge, search, selection, sorting)
- union find
- design: question about design problems
- ds: question about data structure problems
- array
- linked list
- stack
- key (hash table, set)
- tree