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创建Java组合锁(Creating a Java Combination Lock)

我正在从事计算机科学任务,我不能为我的生活弄清楚为什么这不起作用。

我们应该创建一个组合锁(通过构造函数),提示用户输出拼写密码的字母。

踢球者必须首先允许用户犯一些错误。 例如,如果密码是

D O G

用户可以输入

A B C D O G

它会解锁组合锁。

附加的代码可能是我的...第五次尝试,我不太确定为什么它不起作用。 有任何想法吗?

编辑:

Code on ideone:

http://ideone.com/D3yFYt

http://ideone.com/jzMNjJ

提前致谢!!


I'm working on a computer science assignment, and I can't for the life of me figure out why this isn't working.

We're supposed to create a combination lock (via a constructor) that prompts the user for letters that spell out the password.

The kicker is that it has to allow the user to make a few mistakes at first. For example, if the password were

D O G

the user could type in

A B C D O G

And it would unlock the combination lock.

The attached code is probably my... Fifth attempt at this, and i'm not quite sure why it's not working. Any ideas?

EDIT:

Code on ideone:

http://ideone.com/D3yFYt

http://ideone.com/jzMNjJ

Thanks in advance!!


原文:https://stackoverflow.com/questions/14892142
更新时间:2023-04-22 09:04

最满意答案

实现您所需要的一种方法是使用来自zoo包的rollapply

library(zoo)
rollapply(x, width = 7, by = 4, mean)
#[1] 622.1429 682.8571 540.7143

数据

x <-c(267, 497, 836, 498, 923, 836, 498, 923, 267, 497, 836, 498, 923, 267, 497)

One way to achieve what you need is by using rollapply from zoo package.

library(zoo)
rollapply(x, width = 7, by = 4, mean)
#[1] 622.1429 682.8571 540.7143

DATA

x <-c(267, 497, 836, 498, 923, 836, 498, 923, 267, 497, 836, 498, 923, 267, 497)

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