x****t
发帖数: 389 | 1 比如有文件如下
a 1 2
c 3 5
d 9
h 9 1
一行一行读文件，在读到第三行的时候，第三个数字没有了，我希望程序能默认这个缺
少的数字为1，如果不缺，就该多少是多少，请问在C++中如何实现？
多谢！ | k**f
发帖数: 372 | 2 http://www.cplusplus.com/reference/string/operator%3E%3E.html
Get each line into a string stream first.
Get the number out of the stream using operator>>, after the 3rd operation,
check the status bits to see if the character is missing. | x****t
发帖数: 389 | 3 it works, thanks !!
,
【在 k**f 的大作中提到】
: http://www.cplusplus.com/reference/string/operator%3E%3E.html
: Get each line into a string stream first.
: Get the number out of the stream using operator>>, after the 3rd operation,
: check the status bits to see if the character is missing.
|
|
