Merge pull request #1457 from LIU-HONGYANG/hongyangliu.add-solution

refactor: add golang solution to Intersection of Two Linked Lists LCCI

problems/面试题02.07.链表相交.md

@@ -208,6 +208,29 @@ func getIntersectionNode(headA, headB *ListNode) *ListNode {
 }
 ```
 
+双指针
+
+```go
+func getIntersectionNode(headA, headB *ListNode) *ListNode {
+    l1,l2 := headA, headB
+    for l1 != l2 {
+        if l1 != nil {
+            l1 = l1.Next
+        } else {
+            l1 = headB
+        }
+
+        if l2 != nil {
+            l2 = l2.Next
+        } else {
+            l2 = headA
+        }
+    }
+
+    return l1
+}
+```
+
 ### javaScript
 
 ```js