02.cpp

vc++经典基础题,对刚学习VC++的同学很有用.

#include<iostream.h>
#include<math.h>
void main()
{
	floata,b,c,s;
	double area;
	cout<<"a\t"<<endl;
	cin>>a;
	cout<<<<endl;
	cin>>b;
	cout<<<<endl;
	cin>>c;