CodePudding user response:

Homework?
Oneself read a book!

CodePudding user response:

The first blank line to fill the for loop body the first sentence,
The second empty ltd. fahr++;
Because fahr need since increase, according to the for loop

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html