Meta | Infra E4 | US
- Location
- US
- Posted
- 28 Apr 2025
304 reads
Summary
My interview experience for an Infra E4 role at Meta included a phone screen with two algorithm questions and an onsite round featuring five technical problems, including both data structures & algorithms and a system design challenge.
How it went
Phone screen
- 3Sum Closest
- Continuous Subarrays, variant (maybe?) with length of subarray must be at least 3 and absolute value of the difference between any pair of numbers is in [0, 1].
Onsite
- Diameter of Binary Tree
- Binary Tree Vertical Order Traversal
- Pow(x, n)
- Group Shifted Strings
- Design Ad Click Aggregator
Questions asked (7)
- 01
- 02
Continuous Subarrays Variant
Data Structures & Algorithms
Open the problemContinuous Subarrays, variant (maybe?) with length of subarray must be at least 3 and absolute value of the difference between any pair of numbers is in [0, 1].
- 03
- 04
Binary Tree Vertical Order Traversal
Data Structures & Algorithms
Open the problemBinary Tree Vertical Order Traversal
- 05
- 06
- 07
Design Ad Click Aggregator
System Design
Design Ad Click Aggregator