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Re:请教if(cin)/ if(scanf)的具体用法！

Posted by hong_liming at 2003-07-06 22:45:29 on Problem 1000
In Reply To:请教if(cin)/ if(scanf)的具体用法！ Posted by:waterine at 2003-07-06 20:36:46

我是这么用的
void main()
{
	do
	{
		cin>>.......
		if(!cin)break;
		//processing.....
	}while(true);
}

至于scanf(),返回值应该是实际读入数据项的个数,如果返回零就表示没有读入任何数据

Followed by:

Re:请教if(cin)/ if(scanf)的具体用法！ (244) BearL 2003-07-07 16:41:21
- Re:请教if(cin)/ if(scanf)的具体用法！ (46) hong_liming 2003-07-08 12:27:35
如果没有输入了，不会停留在cin那一句上吗？ (13) waterine 2003-07-07 19:31:06
- Re:如果没有输入了，不会停留在cin那一句上吗？ (200) hong_liming 2003-07-08 12:35:24
  - 多谢！:) (0) waterine 2003-07-08 17:55:51

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