网站上海备案查询系统/hao123影视

题目：

题解：

func getIntersectionNode(headA, headB *ListNode) *ListNode {if headA == nil || headB == nil {return nil}pa, pb := headA, headBfor pa != pb {if pa == nil {pa = headB} else {pa = pa.Next}if pb == nil {pb = headA} else {pb = pb.Next}}return pa
}