Solution: Letter Case Permutation
Explore how to generate all possible letter case permutations for a string by applying the subsets pattern. Understand how to handle letters and digits independently, iterate through each character, and build combinations efficiently. This lesson helps you grasp the approach and complexity analysis for this common coding interview challenge.
We'll cover the following...
We'll cover the following...
Statement
Given a string, s, consisting of letters and digits, generate all possible variations by modifying each letter independently to be either lowercase or uppercase while keeping the digits unchanged. Each letter in the ...