Group Anagrams | Dataford Interview Questions

Given an array of strings, how would you create an array of arrays where each inner array contains anagrams?

Implement group_anagrams(strings) and return the groups in order of each group’s first encountered string. Preserve the original order of strings within each group, use case-sensitive comparisons, and treat an empty string as valid input. Return an empty array for empty input.

Constraints

0 <= strings.length <= 1000
0 <= strings[i].length <= 100
Each string contains only lowercase English letters
Preserve input order within every group
Groups must be ordered by the first occurrence of their key

Function Signature

def group_anagrams(strings):

Your question is Group Anagrams. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Given an array of strings, how would you create an array of arrays where each inner array contains anagrams?

Constraints

0 <= strings.length <= 1000
0 <= strings[i].length <= 100
Each string contains only lowercase English letters
Preserve input order within every group
Groups must be ordered by the first occurrence of their key

Function Signature

def group_anagrams(strings):

Your question is Group Anagrams. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.