There is one change of variable problem on each of the two practice exams to give you a feeling for what's realistic.
两次练习测验中,都有一道题是关于变量替换的,感觉这是很重要的那样。
But doesn't this have the same problem of variable naming that the original one had?
但是它是否也有原来的变量名问题呢？
One dimension resources distribution problem is a typical example in the application of dynamic programming, and state variable is an important factor in constructing dynamic programming model.
一维资源分配问题是动态规划应用的一个典型例子，在建立动态规划模型时，状态变量是一个重要的因素。
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