pass 104 easy
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10
104-240525-pass/main.py
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10
104-240525-pass/main.py
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class Solution:
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def hasCycle(self, head: Optional[ListNode]) -> bool:
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cnt = 0
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if head == None: return False
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while cnt < 1e4+10:
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if head.next == None:
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return False
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head = head.next
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cnt += 1
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return True
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