采用贪心算法保证能求得最优解的问题是( )。
贪心法在一般情况下一定能够得到满意解,不一定能够得到最优解。
贪心法能够获得最优解的前提是:(1)问题具有最优子结构,即规模为n的问题的最优解与规模为n-1的问题的解相关;(2)问题具有贪心选择性质,即问题的整体最优解可以通过一系列局部最优的选择得到。
部分背包问题具有以上性质,故可以通过贪心算法得到最优解。
( )is the process of transforming information so it is unintelligible to anyone but the intended recipient.
As each application module is completed,it undergoes( )to ensure that it operates correctly and reliably.
( )algorithm specifies the way to arrange data in a particular order.
After analyzing the source code,( )generates machine instructions that will carry out the meaning of the program at a later time.
( )can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
浏览器开启无痕浏览模式后,( )依然会被保存下来。
下列协议中,不属于TCP/IP协议簇的是( )。
下列传输介质中,带宽最宽、抗干扰能力最强的是( )。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内,确定一个点需要2个独立的参数,确定一个正方形需要( )个独立的参数。
某书的页码为1,2,3,...,共用数字900个(一个多位数页码包含多个数字),据此可以推断,该书最大的页码为( )。