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#include <stdarg.h>
/**¡¡º¯ÊýÃû£ºmax
*¡¡¹¦ÄÜ£º·µ»Øn¸öÕûÊýÖеÄ×î´óÖµ
* ²ÎÊý£ºnum£ºÕûÊýµÄ¸öÊý ...£ºnum¸öÊäÈëµÄÕûÊý
* ·µ»ØÖµ£ºÇóµÃµÄ×î´óÕûÊý
*/
int max ( int num, ... )
{
¡¡int m = -0x7FFFFFFF; /* 32ϵͳÖÐ×îСµÄÕûÊý */
¡¡va_list ap;
¡¡va_start ( ap, num );
¡¡for ( int i= 0; i< num; i++ )
¡¡{
¡¡¡¡int t = va_arg (ap, int);
¡¡¡¡if ( t > m )
¡¡¡¡{
¡¡¡¡¡¡m = t;
¡¡¡¡}
¡¡}
¡¡va_end (ap);
¡¡return m;
}
/* Ö÷º¯Êýµ÷ÓÃmax */
int main ( int argc, char* argv[] )
{
¡¡int n = max ( 5, 5, 6 ,3 ,8 ,5); /* Çó5¸öÕûÊýÖеÄ×î´óÖµ */
¡¡cout << n;
¡¡return 0;
}
CÓïÑÔÖÐÓÐЩº¯ÊýʹÓÿɱä²ÎÊý£¬±ÈÈç³£¼ûµÄint printf( const char* format, ...)£¬µÚÒ»¸ö²ÎÊýformatÊǹ̶¨µÄ£¬ÆäÓàµÄ²ÎÊýµÄ¸öÊýºÍÀàÐͶ¼²»¹Ì¶¨.
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enum example
{
item1 = 0,
item2,
item3,
item4,
item5,
max /* when you want to add element,please add before this */
};
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