摘要: 叫“魔法配方”吗? #include <iostream> int main() { using namespace std; double price = 75; cout.setf(ios::fixed); cout.setf(ios::showpoint); cout.precision(3) 阅读全文
posted @ 2022-01-12 16:38 double64 阅读(104) 评论(0) 推荐(0)