AC

Author: AaronLinRC

src/main/kotlin/leetcode/reverse-linked-list/Solution.kt

@@ -0,0 +1,17 @@
+package leetcode.`reverse-linked-list`
+
+import ListNode
+
+class Solution {
+    fun reverseList(head: ListNode?): ListNode? {
+        var p1:ListNode? = null
+        var p2 = head
+        while (p2 != null){
+            val next = p2.next
+            p2.next = p1
+            p1 = p2
+            p2 = next
+        }
+        return p1
+    }
+}