为什么vc++输不出来。

Question

class Rect{private:float length,width;public:void set(float x,float y);float peri();float area();};void Rect::set(float x,float y){length=x;width=y;}float Rect::peri(){return (length+width)*2;}float Rect::area(){return(length*width);}void main(){Rect r;r.set(1.0f,2.0f);r.peri();r.area();}

Answer 1

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