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Scala数组
定义数组array: //创建数组var arr1=Array(1,2,3)//初始化赋值数组var arr2=New Array[Int](3)//初始化指定元素为Int,长度为3不可变//遍历数组for(i<-arr1.indices)print(i)//i表示从1到arr1的长度为止的数字序列 ...
分类:编程语言   时间:2020-02-01 19:40:36    阅读次数:86
CF868F Yet Another Minimization Problem
题目描述 You are given an array of nn integers a_{1}...\ a_{n}a1?... an? . The cost of a subsegment is the number of unordered pairs of distinct indices w ...
分类:其他好文   时间:2020-02-01 16:12:00    阅读次数:69
LeetCode | No.1 两数之和
题目描述: Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would h ...
分类:其他好文   时间:2020-01-31 12:38:32    阅读次数:93
leetcode 1 Two Sum
题目内容 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would ha ...
分类:其他好文   时间:2020-01-27 19:08:41    阅读次数:65
Leetcode1252. Cells with Odd Values in a Matrix
public int oddCells(int n, int m, int[][] indices) { int[][] Array = new int[n][m]; int rowlength = indices.length; //求出indices数组行数 for (int i = 0; i ...
分类:其他好文   时间:2020-01-17 09:26:23    阅读次数:59
kibana使用记录
GET _search { "query": { "match_all": {} } } GET /_cat/health?v GET /_cat/indices?v GET /_alias GET crash_index/_search GET /2019-06-18_crash_index/cr ...
分类:其他好文   时间:2019-12-31 18:29:29    阅读次数:98
leetcode 1. Two Sum
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex ...
分类:其他好文   时间:2019-12-30 09:37:47    阅读次数:60
ES学习(二)--增删改查
一、 查看健康状况 GET _cat/health?v 二、 查看索引 GET _cat/indices?v 三、 插入索引 PUT /ecommerce 四、 在索引下插入文档 PUT /ecommerce/_doc/1 { "name":"gaolujie yagao", "desc":"you ...
分类:其他好文   时间:2019-12-28 19:20:10    阅读次数:95
tensorflow的reduce_sum方法学习记录
在使用tensorflow时,经常会用到reduce_sum这个函数,表示对数据进行求和,但它的参数的作用却不是那么容易明白。 reduce_sum( input_tensor, axis=None, keep_dims=False, name=None, reduction_indices=Non ...
分类:其他好文   时间:2019-12-25 16:24:34    阅读次数:108
importing-cleaning-data-in-r-case-studies
importing cleaning data in r case studies 导入数据 下面的一些都是查数据结构的 删除指定列 Create a vector called keep that contains the indices of the columns you want to sa ...
分类:其他好文   时间:2019-12-21 18:42:19    阅读次数:107
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