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Re:经验总结

Posted by lht1019 at 2009-03-09 19:55:31 on Problem 1004
In Reply To:经验总结 Posted by:Ontheline at 2008-07-10 11:23:25

> 这个题目实在太简单了,可是小问题还是有的,首先我记得C++里面有控制小数点精度的流操作符,或者是函数
> 如下:
> 1 cout.precison(n)
> 2 cout << setprecison(n)
> 两种方法都可以,可是直接用就是科学记数法显示,
> 后来查了c++ primer才知道必须这样写:
> cout << '$' << fixed << setprecision(2) << average;
> 这样就好了.呵呵希望能给大家帮助!

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Re:经验总结 (3) a5256869 2009-07-29 11:14:09

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