样例都过了，没开O2优化，C++14

#include <stdio.h>
#include <string.h>
#include <string>
using namespace std ;
bool is_hg ( char str[] ) {
	if ( ! ( strlen ( str ) >= 6 && strlen ( str ) <= 12 ) ) return false ;
	for ( int i = 0 ; i < strlen( str ) ; i ++ ) {
		if ( ! ( ( str[i] >= 'a' && str[i] <= 'z' ) || ( str[i] >= 'A' && str[i] <= 'Z' ) || ( str[i] >= '0' && str[i] <= '9' ) || str[i] == '!' || str[i] == '@' || str[i] == '#' || str[i] == '$' ) ) {
			return false ;	
		}
	}
	for ( int i = 0 ; i < strlen( str ) ; i ++ ) {
		if ( str[i] == '!' || str[i] == '@' || str[i] == '#' || str[i] == '$' ) {
			return true ;
		}
	}
	return true ;
}
int main () {
	char str[1000] ;
	do {
		int i = 0 ;
		while ( ( str[i] = getchar () ) != ',' ) i ++ ;
		str[i] = '\0' ;
		if ( is_hg ( str ) == true ) printf ( "%s\n" , str ) ;
	} while ( str[strlen(str)-1] != '\n' ) ;
	return 0 ;
}