Dev.to
7/6/2026

The original title is about a Word Break Leetcode problem and debugging lessons. Let me rewrite this to be punchy and informative.
Original: What Word Break Leetcode Problem Taught Me About Debugging Order
Short summary
A developer debugged a Word Break Leetcode solution and discovered most issues stemmed from syntax and scope errors rather than algorithmic flaws. The key lesson: prioritize cleaning syntax and scoping early so debugging time focuses on logic verification. Small mistakes like wrong operators or shadowed variables can mask correct algorithms.
- •Most debugging time was spent on implementation details (scope, type mismatches, typos), not algorithm logic
- •Single typo (== instead of =) broke memoization despite algorithmically correct approach
- •Clean syntax early to preserve debugging budget for actual logical correctness
Generated with AI, which can make mistakes.
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