🗄️ Databases & Backend

LeetCode 141: Why Floyd's Cycle Trick Still Wins Interviews

Floyd's tortoise and hare isn't folklore—it's your edge in detecting linked list cycles. LeetCode 141 proves fundamentals crush hype.

theAIcatchup Apr 09, 2026 3 min read
Visual step-by-step trace of tortoise and hare pointers detecting cycle in LeetCode 141 linked list

⚡ Key Takeaways

  • Floyd's tortoise-hare delivers O(n) time, O(1) space perfection. 𝕏
  • Visual tracers like TraceLit accelerate mastery—25% faster solves. 𝕏
  • Prioritize Floyd's in interviews; it signals optimization smarts. 𝕏
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theAIcatchup

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#Floyd's algorithm #LeetCode 141 #TraceLit #algorithm visualization #linked list cycle #tortoise and hare #tortoise hare

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Originally reported by dev.to

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