Given two Linked Lists, find the first common element between given linked list i.e., we need to find first node of first list which is also present in second list.
Input : List1: 10->15->4->20 Lsit2: 8->4->2->10 Output : 10 Input : List1: 1->2->3->4 Lsit2: 5->6->3->8 Output : 3
We traverse first list and for every node, we search it in second list. As soon as we find an element in second list, we return it.
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