feat: reverse-linked-list

Author: minji-go

reverse-linked-list/minji-go.java

@@ -0,0 +1,21 @@
+/**
+ * <a href="https://leetcode.com/problems/reverse-linked-list/">week07-1.reverse-linked-list</a>
+ * <li>Description: return the reversed list    </li>
+ * <li>Topics: Linked List, Recursion           </li>
+ * <li>Time Complexity: O(N), Runtime 0ms       </li>
+ * <li>Space Complexity: O(1), Memory 43.04MB   </li>
+ */
+class Solution {
+    public ListNode reverseList(ListNode head) {
+        ListNode prev = null;
+        ListNode curr = head;
+        while (curr != null) {
+            ListNode temp = curr.next;
+            curr.next = prev;
+            prev = curr;
+            curr = temp;
+        }
+
+        return prev;
+    }
+}