[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fL1AWJ3Ed-bUtlgNV6c-tk18QzkYrDCeRW9ZCTCIxNyc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-04-06 21:56:45",137096292,[8,9,10,11],"22","21","20","19",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},7,"7ac6c490200aca5a0881a6de1afd73a1","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff775c45dc830da8bbaf48359142d15b0.png","数据结构","work_33959006","练习6 串与数组","String 是一个长度为6的字符串,其中的字符各不相同,则计算String中互异的非平凡子串(非空且不同于String 本身)数目为_____",[21,32,41,50,53,62,69],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],137096289,[25,26,27,28],"方便运算","节省存储空间","降低计算复杂度","提高运算速度","对矩阵压缩存储的主要目的是 ( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],137096290,[36,37,38,39],"n(n-1)","n2\u002F2","n(n-1)\u002F2","n(n+1)\u002F2","已知对称矩阵An*n(Ai,j=Aj,i)的主对角线元素全部为0,若用一维数组B仅存储矩阵A的下三角区域的所有元素(不包括主对角线元素),则数组B的大小为 ( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],137096291,[45,46,47,48],"字符串也是一种线性表的结构","串的长度必须大于零","字符串不属于线性表的一种","空格字符组成的串就是空串","以下关于字符串的说法中正确的是____",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],137096293,[57,58,59,60],"它可以顺序存储,也可以链式存储","它是一种操作受限的线性表","它的数据元素是一个字符","它的数据元素不一定是一个字符","字符串是一种线性表,其特殊性表现在( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":67,"source":30,"type":68},[],137096294,[47,48,66,46],"字符串是一种特殊的线性表","以下关于字符串的判定语句中不正确的是____",1,{"answer":70,"createTime":5,"id":71,"options":72,"question":75,"source":30,"type":76},[],137096295,[73,74],"正确","错误","KMP算法的最大特点是指示主串的指针不需要回溯",3]