leetcode, LC13: copy-list-with-random-pointer

1 題目描述 如今有一個這樣的鏈表：鏈表的每個節點都附加了一個隨機指針，隨機指針可能指向鏈表中的任意一個節點或者指向空。 請對這個鏈表進行深拷貝。 A linked list is given such that each node contains an additional random pointer which could point to any node in the list or

>>阅读原文<<