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LinkedIn | SSE | Backend

Round 1: Phone Screen

Questions:

Outcome: Solved both problems successfully (completed this round in ~35 minutes).

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.


Round 2: Host Manager Interview

Questions:

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.


Round 3: Coding (Module 2)

Questions:

  1. Shortest Distance Between Two LinkedIn Connections:
    • Given a graph (map) with connections/members as nodes and two strings as inputs, find the shortest distance.
    • Solution: Implemented using BFS with follow-ups on edge cases.
  2. File Reading and Optimized Storage:
    • Given a file with lines containing long keys and values separated by ; and space, design a data structure to read and store the data while optimizing space usage.
    • Solution: Suggested using a Trie data structure. The interviewer was satisfied with the choice.
    • Challenges: Faced difficulties during Trie implementation due to parsing key-value pairs. There were follow-ups on how the values would be stored in the Trie.

Outcome: Solved the first question completely; partially implemented the Trie solution due to time constraints.

Candidate's Approach

Implemented BFS for the first question and suggested a Trie for the second. Faced challenges with Trie implementation, particularly in parsing key-value pairs.

Interviewer's Feedback

No feedback provided.


Round 4: Coding (Module 1)

Questions: Status: Yet to be scheduled.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.


Round 5: System Design

Questions: Status: Yet to be scheduled.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.