循环队列的存储空间为Q( 1 :50)，初始状态 为front = rear =50。经过一系列正常的入队 与退队操作后，front = rear = 25，此后又插入 —个元素,则循环队列中的元素个数为( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29839' and id < 2421701 and id<>'2421701' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29839' and id > 2421701 and id<>'2421701' order by id asc limit 5