Group and Bucket with a Map
Group anagrams and similar items.
Grouping Is a Pattern
Many problems ask you to group items that share something. A map from key to bucket turns that into a single clean pass. 🗂️
Pick the Grouping Key
The whole trick is choosing a key that is identical for items in the same group. Get this right and the rest is easy.
All lessons in this course
- Sets for Membership and Dedup
- Dictionaries as Lookup Tables
- Counter and defaultdict in Action
- Group and Bucket with a Map