2024-08-20 v. 6.5.1: added links to "138. Copy List with Random Pointer"

Author: fartem

README.md

@@ -516,4 +516,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 129. Sum Root to Leaf Numbers                                   | [Link](https://leetcode.com/problems/sum-root-to-leaf-numbers/)                                   | [Link](./lib/medium/129_sum_root_to_leaf_numbers.rb)                                   |
 | 133. Clone Graph                                                | [Link](https://leetcode.com/problems/clone-graph/)                                                | [Link](./lib/medium/133_clone_graph.rb)                                                |
 | 134. Gas Station                                                | [Link](https://leetcode.com/problems/gas-station/)                                                | [Link](./lib/medium/134_gas_station.rb)                                                |
-| 138. Copy List with Random Pointer                              | [Link](https://leetcode.com/problems/gas-station/)                                                | [Link](./lib/medium/138_copy_list_with_random_pointer.rb)                              |
+| 138. Copy List with Random Pointer                              | [Link](https://leetcode.com/problems/copy-list-with-random-pointer/)                              | [Link](./lib/medium/138_copy_list_with_random_pointer.rb)                              |

lib/medium/138_copy_list_with_random_pointer.rb

@@ -2,6 +2,7 @@
 
 require_relative '../common/list_node_with_random'
 
+# https://leetcode.com/problems/copy-list-with-random-pointer/
 # @param {Node} node
 # @return {Node}
 def copy_random_list(head)