Meta E5 (Senior) Coding Interview Loop at Meta

Meta E5 coding interviews demand rapid problem-solving (solving 2 algorithmic problems in 45 minutes) with optimal time/space complexity and bug-free execution.

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Interview Format & Breakdown

Round 120 mins

Coding Problem 1

Algorithm implementation with speed and optimal time complexity.

Round 220 mins

Coding Problem 2

Follow-up question or secondary data structure challenge.

Round 35 mins

Q&A / Feedback

Closing candidate questions.

Key Topics & Real Trap Questions

Question 1

Hard Difficulty

Find the minimum window substring in string S containing all characters of string T.

Interviewer Trap:Using nested loops resulting in O(N^2) time complexity instead of O(N) sliding window.

Winning Response Strategy:Maintain a target frequency count map and shrink the left pointer as soon as all characters are matched.