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void availability ( ) //查询房间入住情况函数
{
int g , count = 0 ;
for ( g = 0 ; g < 100 ; g + + )
{
if ( z [ g ] = = 0 )
+ + count ;
else
if ( z [ g ] = = 1 )
printf ( " \n 正在使用的房间号:%d " , g ) ;
}
printf ( " \n \n 未使用的房间数:%d " , count ) ; //通过循环输出未使用的房间数
printf ( " \n \n " ) ;
printf ( " \n 请输入需查询的房间号: " ) ; //查询输入的房间号的信息,且输出该房间的相关信息
scanf ( " %d " , & s ) ;
while ( s < 0 | | s > 100 )
{ printf ( " *********************您输入的数字有误,请重新输入。******************** \n " ) ;
scanf ( " %d " , & s ) ; } if ( s = = 0 ) menu ( ) ;
if ( z [ s ] = = 1 )
{ printf ( " 姓名:%s " , room [ s ] . name ) ;
printf ( " \n 性别(其中: 1表示男, 2表示女):%d " , room [ s ] . sex ) ;
printf ( " \n 年龄:%d " , room [ s ] . age ) ;
printf ( " \n 身份证号:%s " , room [ s ] . ID_card ) ;
printf ( " \n 年:%d " , room [ s ] . date . year ) ;
printf ( " 月:%d " , room [ s ] . date . month ) ;
printf ( " 日:%d " , room [ s ] . date . day ) ;
printf ( " \n 房间号:%d " , room [ s ] . room_ID ) ;
}
else
printf ( " 该房间未被使用! " ) ;
menu ( ) ;
save ( ) ; //调用保存函数
}