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Re:我是一个C++初学者，请问5e9在c++里用什么类型来存

Posted by lianzhouxiaowu at 2009-08-18 18:26:45 on Problem 1095
In Reply To:我是一个C++初学者，请问5e9在c++里用什么类型来存 Posted by:id110202 at 2004-10-14 19:58:57 
这个简单，下面这个语句可以告诉你答案
cout <<sizeof(float)<<endl<<sizeof(double)<<endl<<sizeof(5e9)<<endl;
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