c_1.zip_visual c

#include<iostream> #include"myarea.h" //注意是双引号，但引号将出现编译错误 using namespace std; //int main( void ) int main( int argc, char *argv[] ) { double width,length; cout<<"please in put two numbers"<<endl; cin>>width>>length; cout<<"the area of rect is "<<rect(width,length)<<endl; double radius; cout<<"please in put a number"<<endl; cin>>radius; cout<<"the area of rect is "<<circle(radius)<<endl; system("pause"); //while(1) //{} return 0; }