摘要:
Reverse Linked List Reverse a singly linked list. 此题不难,附上java代码: 阅读全文
摘要:
Linked List Cycle Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 此题并不难,声明2个指针一个步长1,一个步长 阅读全文