题目
Given an array nums and a value val, remove all instances of that value in-place and return the new length.
Do not allocate extra space for another array, you must do this by mo……继续阅读 »
wahh
5天前 8浏览 0评论
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题目
Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length.
Do not allocate extra space for another array, you m……继续阅读 »
wahh
5天前 12浏览 0评论
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题目
Given a linked list, reverse the nodes of a linked list k at a time and return its modified list.
k is a positive integer and is less than or equal to the length of the linked l……继续阅读 »
wahh
1周前 (07-12) 22浏览 0评论
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题目
Given a linked list, swap every two adjacent nodes and return its head.
Example:
Note:
Your algorithm should use only constant extra space.
You may not modify the values in th……继续阅读 »
wahh
1周前 (07-11) 25浏览 0评论
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题目
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.
Example:
原题链接：https://leetcode.com/problems/merge-k-sorted-lists/descriptio……继续阅读 »
wahh
1周前 (07-11) 33浏览 0评论
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