摘要: #include <iostream> #include <cmath> using namespace std; double calcualateCircle(double r = 0) { return acos(-1) * r * r; } double calcualateRectangl 阅读全文
posted @ 2020-03-13 09:06 LightAc 阅读(215) 评论(0) 推荐(0) 编辑
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