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biningo/gist:6012b6ebda9ca4855c2a05ed2afa4fef

Last active November 11, 2020 14:55
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gistfile1.txt
p1 = headA;p2 = headB
while p1!=p2: #速度一样 路程一样 最终一定会相遇 ♥
p1,p2 = headB if p1==None else p1.next,headA if p2==None else p2.next
return p1
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