Goldman Sachs
Java Backend Developer
Reverse Linked List in Pairs
Medium
Round 2CodingCandidate Selected
Given a linked list `1 → 2 → 3 → 4 → 5`, reverse the nodes in pairs to obtain `2 → 1 → 4 → 3 → 5`.
This question was asked in
Goldman Sachs Java Backend Developer Interview Experience
The Goldman Sachs interview process consisted of five rounds encompassing a variety of technical and behavioral questions. Candidates should anticipate coding challenges on algorithms and data structures in the initial rounds, progressing to system design and Java concept discussions in later stages. The overall difficulty of the interview appears to be medium, making it a rigorous assessment of both technical expertise and cultural fit for prospective candidates.