LeetCode 139: Word Break — Step-by-Step Visual Trace

📰 Dev.to · tracelit

Learn to solve the Word Break problem on LeetCode using a step-by-step visual trace to determine if a string can be segmented into dictionary words

intermediate Published 9 Apr 2026
Action Steps
  1. Read the problem statement carefully to understand the requirements
  2. Initialize a dynamic programming table to store the segmentation results
  3. Iterate over the input string and check if each substring can be formed using the words in the dictionary
  4. Use the dynamic programming table to determine if the entire string can be segmented
  5. Test the solution with example inputs to verify its correctness
Who Needs to Know This

Software engineers and developers can benefit from this tutorial to improve their problem-solving skills and learn how to approach similar problems in the future. It can also be useful for interview preparation

Key Insight

💡 The key to solving this problem is to use dynamic programming to store the segmentation results and avoid redundant computations

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Solve the Word Break problem on LeetCode using dynamic programming! 🚀💻

Key Takeaways

Learn to solve the Word Break problem on LeetCode using a step-by-step visual trace to determine if a string can be segmented into dictionary words

Full Article

Given a string s and a dictionary of words wordDict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.
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