Microsoft
Software Development Engineer 3
Longest Substring with At Least K Repeating Characters
Medium
ROUND 1 (DSA)CodingCandidate Not Selected
Given a string 's' and an integer 'k', return the length of the longest substring of 's' such that the frequency of each character in this substring is greater than or equal to 'k'.
This question was asked in
Microsoft Software Development Engineer 3 Interview Experience
The interview experience at Microsoft consisted of two rounds, with a strong focus on Data Structures and Algorithms (DSA) in the first round, followed by Low Level Design (LLD) concepts in the second round. Candidates should expect questions that challenge their problem-solving abilities and understanding of systems architecture. Overall, the interview process was moderately difficult, emphasizing both technical depth and practical application.