BFS on graph

Last updated: December 3, 2025

Quick Overview

Apply Binary Search on a linked list to solve this optimization problem.

Walmart
Coding & Algorithms
Software Engineer
Walmart
December 3, 2025
Software Engineer
Phone Screen
Coding & Algorithms
Easy

371

15

1,269 solved


Apply Binary Search on a linked list to solve this optimization problem.

How to Approach This
  1. Clarify input constraints and edge cases before writing code.
  2. Walk through your approach verbally and confirm with the interviewer before coding.
  3. Start with a brute force solution, then optimize. Mention time and space complexity.
  4. Test your solution with examples, including edge cases like empty input or duplicates.
  5. Consider common patterns: sliding window, two pointers, hash map, BFS/DFS, dynamic programming.
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