On a mysterious island there are creatures known as Quxes which come in three colors: red, green, an ...
This problem was asked by Twitter. You run an e commerce website and want to record the lastNorderids in a log. Implement a data structure to accomplish this, with the following API: record order id : ...
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On a mysterious island there are creatures known as Quxes which come in three colors: red, green, an ...
A quack is a data structure combining properties of both stacks and queues. It can be viewed as a li ...
This problem was asked by Google. In a directed graph, each node is assigned an uppercase letter. We define a path's value as the number of most ...
This problem was asked by Google. Implement locking in a binary tree. A binary tree node can be locked or unlocked only if all of its descendants ...
一、shell的反彈: 在很多時候,我們得到一個可以執行OS命令的點,但是我們發現可能是殺軟的原因導致木馬被殺或被攔截了,此時我們就無法上線,但是又能確定是可以出網的,這個時候就可以把shell反彈 ...
磁盤的容量單位常用的有M G T , 他們之間的換算關系為 1T =1024G 1G=1024M現在給定n塊磁盤的容量,請對他們按從小到大的順序進行穩定排序 例如給定5塊盤的容量51T20M3G10G6T3M12G9M 排序后的結果為20M3G3M 12G 9M1T,10G 6T注意單位 ...
楔子 主從同步(主從復制)是 Redis 高可用服務的基石,也是多機運行中最基礎的一個。我們把主要存儲數據的節點叫做主節點(master),把其他通過復制主節點數據的副本節點叫做從節點(slave) ...
存儲方法:第一種(Vuex)(PS:刷新就清空時使用或者使用eventBus全局變量也行。) 第二種(sessionStorage)(PS:刷新不清空關閉窗口才清空時請用。) 第三種(localSt ...