Initial commit

Easy/reverse-linked-list/solution.cpp

@@ -0,0 +1,22 @@
+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 *reverseList(ListNode *head) {
+        ListNode *prev = nullptr, *next = nullptr, *curr = head;
+        while (curr != nullptr) {
+            next = curr->next;
+            curr->next = prev;
+            prev = curr;
+            curr = next;
+        }
+
+        return prev;
+    }
+};