c4-5.cpp

这是和谭浩强的《c++程序设计》对应的教材例题chap4的程序

#include <iostream>
using namespace std;
int main()
{int max(int a,int b,int c);
 double max(double a,double b,double c);
 long max(long a,long b,long c);
 int i1,i2,i3,i;
 cin>>i1>>i2>>i3;
 i=max(i1,i2,i3);
 cout<<"i_max="<<i<<endl;
 double d1,d2,d3,d;
 cin>>d1>>d2>>d3;
 d=max(d1,d2,d3);
 cout<<"d_max="<<d<<endl;
 long g1,g2,g3,g;
 cin>>g1>>g2>>g3;
 g=max(g1,g2,g3);
 cout<<"g_max="<<g<<endl;
 return 0;
}

int max(int a,int b,int c)
{if(b>a) a=b;
 if(c>a) a=c;
 return a;
}

double max(double a,double b,double c)
{if(b>a) a=b;
 if(c>a) a=c;
 return a;
}

long max(long a,long b,long c)
{if(b>a) a=b;
 if(c>a) a=c;
 return a;
}