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Conversion between sparse arrays and two-dimensional arrays using Java

稀疏数组(sparse array): 非线性结构。当一个数组中大部分元素为0,或者为同一个值的数组时,可以使用稀疏数组来保存该数组。第一行保存行数、列数、数据总数。 二维数组转稀疏数组思路: 遍历原始数组,得到数据总数(sum) 创建新稀疏数组’int [sum+1] [3]’ 再次遍历,将有效数据存入稀疏数组中 稀疏数组转二维数组思路: 根据稀疏数组第一行的数据,创建原始二维数组 根据稀疏
2022-12-27
CS > Data Structures
#CS #Data Structures #Java

【221102】杂感

来到都柏林也快两个月了
2022-11-02
日常 > 杂感
#日常

MySQL Workbench在使用时出现‘Could not acquire management access for administration’的错误

前几天在新电脑上安装了MySQL后,一直没有测试过功能,今天下午上pratical时才发现能连上server却无法访问administration权限。 Could not acquire management access for administration RuntimeError: Target host is configured as Windows, but seems to be
2022-09-21
CS > SQL
#MySQL #CS

My Second Test

测试密码功能,密码123456
2022-09-21
测试
#test

My First Test

2022-09-21

Hello World

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick
2022-09-20
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