企业官网建设流程全解析

建设银行咸阳交费网站,哈尔滨网站建设托管公司,杭州企业网站设计,珠海左右创意园网站开发叉搜索树的性能分析和概念1.1⼆叉搜索树的概念⼆叉搜索树⼜称⼆叉排序树#xff0c;它或者是⼀棵空树#xff0c;是一种具有以下性质的⼆叉树:•若它的左⼦树不为空#xff0c;则左⼦树上所有结点的值都⼩于等于根结点的值 •若它的右⼦树不为空#xff0c;则右⼦树上所有…叉搜索树的性能分析和概念1.1⼆叉搜索树的概念⼆叉搜索树⼜称⼆叉排序树它或者是⼀棵空树是一种具有以下性质的⼆叉树:•若它的左⼦树不为空则左⼦树上所有结点的值都⼩于等于根结点的值•若它的右⼦树不为空则右⼦树上所有结点的值都⼤于等于根结点的值• 它的左右⼦树都是⼆叉搜索树•⼆叉搜索树中可以⽀持插⼊相等的值也可以不⽀持插⼊相等的值具体看使⽤场景定义例如 map/set/multimap/multiset系列底层就是⼆叉搜索树其中map/set不⽀持插⼊相等 值multimap/multiset⽀持插⼊相等值1.2⼆叉搜索树的性能分析由于它本身自己和它的子树都是⼆叉搜索树这里观察上面的特点不难发现⼆叉搜索树的中序遍历一定是升序序列(所以⼆叉搜索树⼜称⼆叉排序树。⼆叉搜索树顾名思义其只有由于搜索(或者搜索效率高)下面我们来分析其最优情况和最插情况最优情况下⼆叉搜索树为完全⼆叉树(或者接近完全⼆叉树)其⾼度为 log2N最差情况下⼆叉搜索树退化为单⽀树(或者类似单⽀)其⾼度为N所以综合⽽⾔⼆叉搜索树增删查改时间复杂度为O(N)那么这样的效率显然是⽆法满⾜我们需求的必须将二叉搜索树优化即⼆叉搜索树的变形平衡⼆ 叉搜索树AVL树和红⿊树才能适⽤于我们在内存中存储和搜索数据。那有的人说使用另⼆分查找也可以实现O(log2N) 级别的查找效率为啥还有将二叉搜索树变形外。需要说明的是⼆分查找也可以实现O(log 2N) 级别的查找效率但是⼆分查找有两⼤缺陷1. 需要存储在⽀持下标随机访问的结构中并且有序。2. 插⼊和删除数据效率很低因为存储在下标随机访问的结构中插⼊和删除数据⼀般需要挪动数据。这⾥也就体现出了平衡⼆叉搜索树的价值。二 ⼆叉搜索树增删查的实现这里不支持修改(修改一个就可能不是二叉搜索树的结构了2.1⼆叉搜索树基本结构的实现2.1.1节点的定义(由于后面实现⼆叉搜索树要访问节点成员所以这里使用struct定义(默认是公有))map.jelpjmv.cn/Blog/868848.shtmlmap.jelpjmv.cn/Blog/822244.shtmlmap.jelpjmv.cn/Blog/464600.shtmlmap.jelpjmv.cn/Blog/228008.shtmlmap.jelpjmv.cn/Blog/862402.shtmlmap.jelpjmv.cn/Blog/204488.shtmlmap.jelpjmv.cn/Blog/206888.shtmlmap.jelpjmv.cn/Blog/468066.shtmlmap.jelpjmv.cn/Blog/202624.shtmlmap.jelpjmv.cn/Blog/486822.shtmlmap.jelpjmv.cn/Blog/424068.shtmlmap.jelpjmv.cn/Blog/444664.shtmlmap.jelpjmv.cn/Blog/288266.shtmlmap.jelpjmv.cn/Blog/600242.shtmlmap.jelpjmv.cn/Blog/046828.shtmlmap.jelpjmv.cn/Blog/848448.shtmlmap.jelpjmv.cn/Blog/860626.shtmlmap.jelpjmv.cn/Blog/800842.shtmlmap.jelpjmv.cn/Blog/886482.shtmlmap.jelpjmv.cn/Blog/802420.shtmlmap.jelpjmv.cn/Blog/624884.shtmlmap.jelpjmv.cn/Blog/264408.shtmlmap.jelpjmv.cn/Blog/260624.shtmlmap.jelpjmv.cn/Blog/460668.shtmlmap.jelpjmv.cn/Blog/882862.shtmlmap.jelpjmv.cn/Blog/006800.shtmlmap.jelpjmv.cn/Blog/202208.shtmlmap.jelpjmv.cn/Blog/206800.shtmlmap.jelpjmv.cn/Blog/020402.shtmlmap.jelpjmv.cn/Blog/686444.shtmlmap.jelpjmv.cn/Blog/868642.shtmlmap.jelpjmv.cn/Blog/022288.shtmlmap.jelpjmv.cn/Blog/060084.shtmlmap.jelpjmv.cn/Blog/668804.shtmlmap.jelpjmv.cn/Blog/404028.shtmlmap.jelpjmv.cn/Blog/666406.shtmlmap.jelpjmv.cn/Blog/202224.shtmlmap.jelpjmv.cn/Blog/220828.shtmlmap.jelpjmv.cn/Blog/422268.shtmlmap.jelpjmv.cn/Blog/604426.shtmlmap.jelpjmv.cn/Blog/242044.shtmlmap.jelpjmv.cn/Blog/646264.shtmlmap.jelpjmv.cn/Blog/066848.shtmlmap.jelpjmv.cn/Blog/486640.shtmlmap.jelpjmv.cn/Blog/200864.shtmlmap.jelpjmv.cn/Blog/028462.shtmlmap.jelpjmv.cn/Blog/020800.shtmlmap.jelpjmv.cn/Blog/248084.shtmlmap.jelpjmv.cn/Blog/008080.shtmlmap.jelpjmv.cn/Blog/044426.shtmlmap.jelpjmv.cn/Blog/682646.shtmlmap.jelpjmv.cn/Blog/882664.shtmlmap.jelpjmv.cn/Blog/662800.shtmlmap.jelpjmv.cn/Blog/802840.shtmlmap.jelpjmv.cn/Blog/806620.shtmlmap.jelpjmv.cn/Blog/848046.shtmlmap.jelpjmv.cn/Blog/406082.shtmlmap.jelpjmv.cn/Blog/400080.shtmlmap.jelpjmv.cn/Blog/644220.shtmlmap.jelpjmv.cn/Blog/820284.shtmlmap.jelpjmv.cn/Blog/606204.shtmlmap.jelpjmv.cn/Blog/008442.shtmlmap.jelpjmv.cn/Blog/462002.shtmlmap.jelpjmv.cn/Blog/682084.shtmlmap.jelpjmv.cn/Blog/884266.shtmlmap.jelpjmv.cn/Blog/048826.shtmlmap.jelpjmv.cn/Blog/822604.shtmlmap.jelpjmv.cn/Blog/606002.shtmlmap.jelpjmv.cn/Blog/084648.shtmlmap.jelpjmv.cn/Blog/668666.shtmlmap.jelpjmv.cn/Blog/000086.shtmlmap.jelpjmv.cn/Blog/848682.shtmlmap.jelpjmv.cn/Blog/826422.shtmlmap.jelpjmv.cn/Blog/046028.shtmlmap.jelpjmv.cn/Blog/282800.shtmlmap.jelpjmv.cn/Blog/064828.shtmlmap.jelpjmv.cn/Blog/660244.shtmlmap.jelpjmv.cn/Blog/159375.shtmlmap.jelpjmv.cn/Blog/420260.shtmlmap.jelpjmv.cn/Blog/828444.shtmlmap.jelpjmv.cn/Blog/402668.shtmlmap.jelpjmv.cn/Blog/086686.shtmlmap.jelpjmv.cn/Blog/260462.shtmlmap.jelpjmv.cn/Blog/642206.shtmlmap.jelpjmv.cn/Blog/468620.shtmlmap.jelpjmv.cn/Blog/480620.shtmlmap.jelpjmv.cn/Blog/535599.shtmlmap.jelpjmv.cn/Blog/668662.shtmlmap.jelpjmv.cn/Blog/888200.shtmlmap.jelpjmv.cn/Blog/466868.shtmlmap.jelpjmv.cn/Blog/082646.shtmlmap.jelpjmv.cn/Blog/155311.shtmlmap.jelpjmv.cn/Blog/779371.shtmlmap.jelpjmv.cn/Blog/759999.shtmlmap.jelpjmv.cn/Blog/973117.shtmlmap.jelpjmv.cn/Blog/404406.shtmlmap.jelpjmv.cn/Blog/084444.shtmlmap.jelpjmv.cn/Blog/006666.shtmlmap.jelpjmv.cn/Blog/159539.shtmlmap.jelpjmv.cn/Blog/553113.shtmlmap.jelpjmv.cn/Blog/373331.shtmlmap.jelpjmv.cn/Blog/440604.shtmlmap.jelpjmv.cn/Blog/864066.shtmlmap.jelpjmv.cn/Blog/804642.shtmlmap.jelpjmv.cn/Blog/939775.shtmlmap.jelpjmv.cn/Blog/022468.shtmlmap.jelpjmv.cn/Blog/482486.shtmlmap.jelpjmv.cn/Blog/884486.shtmlmap.jelpjmv.cn/Blog/486826.shtmlmap.jelpjmv.cn/Blog/868642.shtmlmap.jelpjmv.cn/Blog/666660.shtmlmap.jelpjmv.cn/Blog/959519.shtmlmap.jelpjmv.cn/Blog/626244.shtmlmap.jelpjmv.cn/Blog/682040.shtmlmap.jelpjmv.cn/Blog/686626.shtmlmap.jelpjmv.cn/Blog/686486.shtmlmap.jelpjmv.cn/Blog/820282.shtmlmap.jelpjmv.cn/Blog/135793.shtmlmap.jelpjmv.cn/Blog/159317.shtmlmap.jelpjmv.cn/Blog/797951.shtmlmap.jelpjmv.cn/Blog/282888.shtmlmap.jelpjmv.cn/Blog/193155.shtmlmap.jelpjmv.cn/Blog/733797.shtmlmap.jelpjmv.cn/Blog/515991.shtmlmap.jelpjmv.cn/Blog/862222.shtmlmap.jelpjmv.cn/Blog/151171.shtmlmap.jelpjmv.cn/Blog/951153.shtmlmap.jelpjmv.cn/Blog/159393.shtmlmap.jelpjmv.cn/Blog/113173.shtmlmap.jelpjmv.cn/Blog/917393.shtmlmap.jelpjmv.cn/Blog/531373.shtmlmap.jelpjmv.cn/Blog/197739.shtmlmap.jelpjmv.cn/Blog/733997.shtmlmap.jelpjmv.cn/Blog/066046.shtmlmap.jelpjmv.cn/Blog/917117.shtmlmap.jelpjmv.cn/Blog/553531.shtmlmap.jelpjmv.cn/Blog/317355.shtmlmap.jelpjmv.cn/Blog/668684.shtmlmap.jelpjmv.cn/Blog/848080.shtmlmap.jelpjmv.cn/Blog/404468.shtmlmap.jelpjmv.cn/Blog/040868.shtmlmap.jelpjmv.cn/Blog/599339.shtmlmap.jelpjmv.cn/Blog/779351.shtmlmap.jelpjmv.cn/Blog/444602.shtmlmap.jelpjmv.cn/Blog/028480.shtmlmap.jelpjmv.cn/Blog/539913.shtmlmap.jelpjmv.cn/Blog/399757.shtmlmap.jelpjmv.cn/Blog/068460.shtmlmap.jelpjmv.cn/Blog/995397.shtmlmap.jelpjmv.cn/Blog/973157.shtmlmap.jelpjmv.cn/Blog/979379.shtmlmap.jelpjmv.cn/Blog/844024.shtmlmap.jelpjmv.cn/Blog/806280.shtmlm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