Fundamental Algorithms8 sections · 291 units
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Quiz: Floyd's Algorithm

Test your understanding

Check Your Understanding

In Floyd's cycle detection, after fast and slow meet, why does resetting one pointer to head find the cycle start?

  1. A.The meeting point is always at the cycle start
  2. B.Fast pointer travels exactly twice around the cycle
  3. C.Slow pointer is always at the midpoint of the cycle
  4. D.Distance from head to cycle start equals distance from meeting point to cycle start
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