Create 0203-remove-linked-list-elements.kt

Author: a93a

kotlin/0203-remove-linked-list-elements.kt

@@ -0,0 +1,27 @@
+/**
+ * Example:
+ * var li = ListNode(5)
+ * var v = li.`val`
+ * Definition for singly-linked list.
+ * class ListNode(var `val`: Int) {
+ *     var next: ListNode? = null
+ * }
+ */
+class Solution {
+    fun removeElements(head: ListNode?, `val`: Int): ListNode? {
+
+        var dummy = ListNode(0, head)
+        var current = head
+        var prev = dummy
+
+        while(current != null) {
+            if(current?.`val` == `val`)
+                prev.next = current.next
+            else
+                prev = current
+            current = current.next
+        }
+
+        return dummy.next
+    }
+}