Initial commit

Easy/remove-linked-list-elements/solution.cpp

@@ -0,0 +1,21 @@
+struct ListNode {
+    int val;
+    ListNode *next;
+    ListNode() : val(0), next(nullptr) {}
+    ListNode(int x) : val(x), next(nullptr) {}
+    ListNode(int x, ListNode *next) : val(x), next(next) {}
+};
+
+class Solution {
+  public:
+    ListNode *removeElements(ListNode *head, int val) {
+        if (head == nullptr) {
+            return nullptr;
+        } else if (head->val == val) {
+            return removeElements(head->next, val);
+        } else {
+            head->next = removeElements(head->next, val);
+            return head;
+        }
+    }
+};