Given an array of integers and an integer k, you need to find the number of unique k-diff pairs in the array. Here a k-diff pair is defined as an integer pair (i, j), where i and j are both numbers in the array and theirabsolute differenceis k. Example 1: Input: [3, 1, 4...
Leetcode : 540. Single Element in a Sorted Array (Medium)Input: [1,1,2,3,3,4,4,8,8]Output: 2题目描述:一个有序数组只有一个数不出现两次,找出这个数。组序号01234 元素 1, 1 2,3 3,4 4,8 8取中间组坐标:mid = ( left + right ) / 2 若mid组中两元素相同 则唯一出现一次的元素必...
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acmd - Simple, useful and opinionated CLI package in Go. argparse - Command line argument parser inspired by Python's argparse module. argv - Go library to split command line string as arguments array using the bash syntax. cli - Feature-rich and easy to use command-line package based on ...
Leetcode Merge k Sorted Lists 使用递归解决 一开始,我使用了二分法进行两两合并 不过这样以来是双重循环,复杂度有点高,因此出现了Runtime error 递归解决 在使用递归解决时,可以利用二叉树的思想来解决此问题 可以把给出的链表拆分成下面的二叉树 这样融合的过程为 B + C = BC BC + A = ABC E + F =...
leetcode-219-Contains Duplicate II(使用set来判断长度为k+1的闭区间中有没有重复元素) 题目描述: Given an array of integers and an integerk, find out whether there are two distinct indicesiandjin the array such that nums[i] = nums[j] and the absolute difference betweeniandjis at mostk....
Python: Modern and very expressive, I learned it because it's just super useful and also allows me to write less code in an interview. This is my preference. You do what you like, of course. You may not need it, but here are some sites for learning a new language: ...
51、What are some of the key new features in HTML5?52、What are “web workers”?53、How do you indicate the character set being used by an HTML5 document? How does this differ from older HTML standards?您如何指定HTML5文档使用的字符集? 这与旧的HTML标准有什么不同?
nan - Zero allocation Nullable structures in one library with handy conversion functions, marshallers and unmarshallers. null - Nullable Go types that can be marshalled/unmarshalled to/from JSON. typ - Null Types, Safe primitive type conversion and fetching value from complex structures. Queues dequ...
remove_value(value) - removes the first item in the list with this value Doubly-linked List Description (video) No need to implement Stack Stacks (video) Using Stacks Last-In First-Out (video) Will not implement. Implementing with array is trivial. Queue Using Queues First-In First-Out(...