solved: 83

Author: ryoppippi

code/83.remove-duplicates-from-sorted-list.ts

@@ -0,0 +1,34 @@
+  // class ListNode {
+  //     val: number
+  //     next: ListNode | null
+  //     constructor(val?: number, next?: ListNode | null) {
+  //         this.val = (val===undefined ? 0 : val)
+  //         this.next = (next===undefined ? null : next)
+  //     }
+  // }
+
+// @leet start
+/**
+ * Definition for singly-linked list.
+ * class ListNode {
+ *     val: number
+ *     next: ListNode | null
+ *     constructor(val?: number, next?: ListNode | null) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.next = (next===undefined ? null : next)
+ *     }
+ * }
+ */
+
+function deleteDuplicates(_head: ListNode | null): ListNode | null {
+    let head = _head;
+
+    while(head && head.next) {
+      /** skip the next node if val is eqal */
+      if(head.val === head.next.val) head.next = head.next.next;
+      else head = head.next
+    }
+    
+    return _head;
+};
+// @leet end