id 1400308890 Time: 0 ms MemUsage: 2.8 MB

leetcode/remove-linked-list-elements/solution_1400308890.rs

@@ -0,0 +1,31 @@
+// Definition for singly-linked list.
+// #[derive(PartialEq, Eq, Clone, Debug)]
+// pub struct ListNode {
+//   pub val: i32,
+//   pub next: Option<Box<ListNode>>
+// }
+// 
+// impl ListNode {
+//   #[inline]
+//   fn new(val: i32) -> Self {
+//     ListNode {
+//       next: None,
+//       val
+//     }
+//   }
+// }
+impl Solution {
+    pub fn remove_elements(mut head: Option<Box<ListNode>>, val: i32) -> Option<Box<ListNode>> {
+        match head{
+            None => None,
+            Some(mut node) => {
+                if node.val == val{
+                    Self::remove_elements(node.next, val)
+                } else {
+                    node.next = Self::remove_elements(node.next, val);
+                    Some(node)
+                }
+            }
+        }
+    }
+}