main()
{ int z;

if (x>y)
z=x;
else
z=y;
return(z);
}
main()
{
int n1,n2;
printf("input the frist number:")
scanf("%d",&n1);
printf("nput the second number:")
scanf("%d",&n2);
printf("max=%d\n",max(n1,n2));
}

[此贴子已经被作者于2006-12-20 16:02:26编辑过]

main()
{
int n1,n2;
printf("input the frist number:")
scanf("%d",&n1);
getchar();
printf("nput the second number:")
scanf("%d",&n2);
printf("max=%d\n",max(n1,n2));
}

那个函数可以这样写。。。
int max(int x , int y)
{return x>y?x:y;
}

2个主函数
自定义函数 不要用 main()

xiexie  ,!!!