Recursive function for generating all permutations of an input string — InterviewCake
2 min readAug 26, 2020
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The problem is borrowed from InterviewCake. Although they did a great job explaining the solution in detail, there aren’t that many visuals.
This post is my attempt to visualize the solution:
Sample I/O
Input: ‘cat’
output: {‘cat’, ‘atc’, ‘act’, ‘tca’, ‘tac’, ‘cta’}
