下列算法中均以比较作为基本运算，则平均 情况与最坏情况下的时间复杂度相同的是( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29839' and id < 2421734 and id<>'2421734' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29839' and id > 2421734 and id<>'2421734' order by id asc limit 5