#include<iostream.h>
class CArea
{
int x;
float r;
public:
CArea(int rx){r=rx;}
CArea(float rr){r=rr;}
void carea(){cout<<r<<endl;}
};
void main()
{
CArea c1(1.2);
c1.carea();
}

编译产生错误,产生了二义性,难道不能分辨int型和float型么?