A.O(n2)
B.O(n2lgn)
C.O(n3)
D.O(n2^)
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A.a1<a2<...<am-1<am<b1<b2<...<bn-1<bn
B.b1<b2<...<bn-1<bn<a1<a2<...<am-1<am
C.a1<b1<a2<b2<...<am-1<bm-1<am<bm<bm+1<...<bn-1<bn
D.b1<b2<...<bm-1<bm<a1a2<...<am-1<am<bm+1<...<bn-1<bn
A.G中任意两个顶点之间均有边存在
B.G中任意两个顶点之间存在路径
C.从G中任意顶点出发可遍历图中所有顶点
D.G的临接矩阵是对称矩阵
A.k-1
B.k
C.k+1
D.2k
A.a:4,b:2,c:3,d:3,e:2,f:4,g:3
B.a:6,b:2,c:5,d:3,e:1,f:6,g:4
C.a:3,b:3,c:3,d:3,e:3,f:2,g:3
D.a:2,b:6,c:3,d:5,e:6,f:1,g:4
A.2n-1
B.n2
C.n(n+1)/2
D.(n+2)(n-1)/2
A.JDBC
B.XML
C.CGI
D.COM
A.ρ={R1(AC.,R2(ED.,R3B.}
B.ρ={R1(AC.,R2E.,R3(DB.}
C.ρ={R1(AC.,R2(ED.,R3(AB.}
D.ρ={R1(ABC.,R2(ED.,R3(ACE.}
A.AB
B.DE
C.DB
D.CE
A.1NF
B.2MF
C.3NF
D.BCNF
A.(学生,培训科目)
B.(时间,教师)
C.(时间,培训师)
D.(时间,学生)
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