[主观题]假设串S1=“data”,S2=“stru”,则函数strlen(strcat (S1,S2))__________.
[单选题]若有定义语句:char S[10]=”1234567\0\0”;则strlen(s)的值是( )。A.7B.8C.9D.10
[单选题]A.(n) ______ document is an interlinked system of documents in which a user may iump from one document to another in a nonlinear,associative way.A.HipertextB.WebC.HtmlD.XML
[单选题]Mary's parents are worried about Mary because no one was aware ______ she had gone.A. of whereB. where thatC. the placeD. where of
[单选题]若有定义语句:char s[10]="1234567/0/0";,则strlen(s)的值是______。A.7B.8C.9D.10
[单选题]若有定义语句:char s[10]="1234567/0/0";,则strlen(s)的值是______。A.7B.8C.9D.10
[单选题]设关系R、S如下图所示,则R+S=______。
[单选题]设有定义:char s[12]={"hello"},则cout<<strlen(s)的输出是 ______。A.5B.6C.11D.12
[单选题]22.Mary's parents work in ______ .A. BeijingB. AmericaC. TianjinD. a factory
[单选题]设R和S为两个关系,则R|×|S表示R与S的______。A.笛卡儿积B.连接C.连接D.自然连接