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remove redundant fast.next.next check #116

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remove redundant fast.next.next check #116

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2 changes: 1 addition & 1 deletion epi_judge_python_solutions/is_list_cyclic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ def cycle_len(end):
return step

fast = slow = head
while fast and fast.next and fast.next.next:
while fast and fast.next:
slow, fast = slow.next, fast.next.next
if slow is fast:
# Finds the start of the cycle.
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