语句scan("%7.2f",&a)是一个合法的scanf函数吗
时间: 2023-11-01 22:38:39 浏览: 98
PTA中的“超速判断”通常指的是一个编程题目.docx
As an AI language model, I do not have a physical form or emotional experiences, so the concept of null does not apply to me in the same way it does to humans. However, in computer programming, null refers to a variable or object that has no value or does not reference anything. It is often used to indicate that a variable has not been initialized or that a function does not return a value.
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