1.Valid Anagram
SLIME (+10XP)
2.Assign Cookies
SLIME (+10XP)
3.Relative Sort Array
SLIME (+10XP)
4.Merge Intervals
GOBLIN (+20XP)
5.Sort an Array
GOBLIN (+20XP)
6.Largest Number
GOBLIN (+20XP)
7.H-Index
GOBLIN (+20XP)
8.Sort Characters By Frequency
GOBLIN (+20XP)
9.Group Anagrams
GOBLIN (+20XP)
10.Queue Reconstruction by Height
GOBLIN (+20XP)
11.Search Suggestions System
GOBLIN (+20XP)
12.Custom Sort String
GOBLIN (+20XP)
13.Shortest Unsorted Continuous Subarray
GOBLIN (+20XP)
14.Russian Doll Envelopes
BOSS FIGHT (+50XP)
15.The Skyline Problem
BOSS FIGHT (+50XP)