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You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai 阅读全文
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Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: 阅读全文
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Design your implementation of the linked list. You can choose to use the singly linked list or the doubly linked list. A node in a singly linked list 阅读全文
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Given a singly linked list, determine if it is a palindrome. Example 1: Example 2: Follow up:Could you do it in O(n) time and O(1) space? 一开始不理解回文是什么意 阅读全文
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Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the 阅读全文
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Remove all elements from a linked list of integers that have value val. Example: 说到删除，首先想到定义两个指针，分别指向要被删除的结点和该结点的前驱结点。这里还需要考虑头结点是需要删除结点的特殊情况。 阅读全文
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Reverse a singly linked list. Example: Follow up: A linked list can be reversed either iteratively or recursively. Could you implement both? 思路： 重塑链表， 阅读全文
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Given a linked list, remove the n-th node from the end of list and return its head. Example: Note: Given n will always be valid. Follow up: Could you 阅读全文
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Write a program to find the node at which the intersection of two singly linked lists begins. For example, the following two linked lists: begin to in 阅读全文
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Given a linked list, return the node where the cycle begins. If there is no cycle, return null. To represent a cycle in the given linked list, we use 阅读全文