# Hashmap
9 problems · 7E 2M
Solution pages are added as each problem is taught. Problem names become clickable links once the solution page is live.
39Ransom NoteEasySoon
40Isomorphic StringsEasySoon
41Word PatternEasySoon
42Valid AnagramEasySoon
43Group AnagramsMediumSoon
44Two SumEasySoon
45Happy NumberEasySoon
46Contains Duplicate IIEasySoon
47Longest Consecutive SequenceMediumSoon