添加新题目

链表/相交链表/main.go

@@ -0,0 +1,28 @@
+package main
+
+type ListNode struct {
+	Val  int
+	Next *ListNode
+}
+
+func main() {
+
+}
+func getIntersectionNode(headA, headB *ListNode) *ListNode {
+	Anode, Bnode := headA, headB
+	hash := make(map[*ListNode]struct{})
+
+	for Anode != nil {
+		hash[Anode] = struct{}{}
+		Anode = Anode.Next
+	}
+	for Bnode != nil {
+		if _, ok := hash[Bnode]; ok {
+			return Bnode
+		}
+		Bnode = Bnode.Next
+	}
+
+	return nil
+
+}