摘要： 总是不注意double型和float型的输入和输出double->%lf float->%f就是因为这个wa了好几把#include<iostream>#include<cstdio>#include<algorithm>#include<stdlib.h>#include<cctype>#include<cmath>#include<limits.h>#include<iomanip>#include<cstring>#include<fstream>#incl 阅读全文