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#include<iostream> using namespace std; class Rectangle///矩形 { //pdsu-c1 //pdsu-c1 }; int main() { Rectangle a; a.set(); //输入矩形的长和宽 cout<<a.area()<<endl; //计算和输出矩形面积 cout<<a.perimeter()<<endl;//计算和输出矩形周长 return 0; }
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