Word Break

Last updated: June 17, 2026

Quick Overview

Given a string and a dictionary of words, determine if the string can be segmented into space-separated dictionary words. Tests dynamic programming skills, commonly asked at Meta.

Meta
Coding & Algorithms
Software Engineer
Meta
June 17, 2026
Software Engineer
Onsite
Coding & Algorithms
Medium

80

0

131 solved


Given a string and a dictionary of words, determine if the string can be segmented into space-separated dictionary words. Tests dynamic programming skills, commonly asked at Meta.

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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