75.cpp

学习C++ Primer中文版第四版时

#include <iostream>
#include <string>
//#include <vector>
//#include <iterator>
//using std::cin;
//using std::cout;
//using std::endl;
//using std::string;
//using std::vector;
//using std::iterator;
using namespace std;

int change(int a,int b)
{
	if(a>=b)return a;
	else return b;
}

int change(const int *a,const int *b)//也可以int change(int *a,int *b)
{
	if(*a>=*b)return *a;
	else return *b;
}
void main()
{
	int a1=1,b1=2;
	cout<<change(a1,b1)<<endl;
	int *a2=&a1,*b2=&b1;
	cout<<change(a2,b2)<<endl;

}