30:00
Given an array of strings strs, group the anagrams together. You can return the answer in any order.
1≤strs.length≤1041 \leq \text{strs.length} \leq 10^41≤strs.length≤104
0≤strs[i].length≤1000 \leq \text{strs}[i].\text{length} \leq 1000≤strs[i].length≤100
strs[i] consists of lowercase English letters.
strs[i]