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Symone B. - CS Fun #89

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Symone B. - CS Fun #89

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15 changes: 14 additions & 1 deletion linked_lists/intersection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,4 +11,17 @@ def intersection_node(headA, headB):
""" Will return the node at which the two lists intersect.
If the two linked lists have no intersection at all, return None.
"""
pass
head_one = headA
head_two = headB
while head_one != head_two:
if head_one:
head_one = head_one.next
else:
head_one = headB
if head_two:
head_two = head_two.next
else:
head_two = headA
return head_one