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经验总结

Posted by Ontheline at 2008-07-10 11:23:25 on Problem 1004

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!

Followed by:

Re:经验总结 (241) lht1019 2009-03-09 19:55:31
- Re:经验总结 (3) a5256869 2009-07-29 11:14:09

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