Question

编写程序从三个输入的整数中找到最大数。用函数和带参的宏来实现

Answer 1

#include <stdio.h>
#define MAX2(x,y) (x)>(y)?(x):(y)

int max(int a,int b, int c)
{
int t1 = MAX2(a, b);
int t2 = MAX2(b, c);
int t3 = MAX2(t1, t2);
return t3;
}

void main()
{
int m = max(10, 25, 60);
printf("%d",m);
}

Answer 2

#define MAX(x,y) (x)>(y)?(x):(y)

void main()
{
int a,b,c;
..
a=MAX(b,c);
..
}
展开后就是a=(b>c)?(b):(c)

Answer 3

#include<iostream>
using namespace std;
#define MAX(x, y) x>y?x:y

int main()
{
int a;int b;int c;
int temp;
cin>>a>>b>>c;

temp=MAX(a,b);
temp=MAX(temp,c);
cout<<temp<<endl;
return 0;
}