10 lines
259 B
Python
10 lines
259 B
Python
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def removeNthFromEnd(self, head, n):
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slow = fast = head
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for i in range(n):
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fast = fast.next
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if not fast: return head.next
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while fast.next:
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fast = fast.next
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slow = slow.next
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slow.next = slow.next.next
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return head
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