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[主观题]
已知char s1[19],*s2="ab\0cdef";则执行语句strcpy(s1,s2);后,变量s的内容是不能确定。()
已知char s1[19],*s2="ab\0cdef";则执行语句strcpy(s1,s2);后,变量s的内容是不能确定。()
A.正确
B.错误
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.正确
B.错误
A.strcpy(s4, s1);"
B.strcpy(s3, s1);
C.strcpy(s2, s4);
D.strcpy(s1, s4);
A.s1.symmetric_difference(s2).issubset(s1)
B.s1.symmetric_difference(s2).issuperset(s1)
C.s1.intersection(s2).issubset(s1)
D.s1.intersection(s2).issubset(s2)
A.正确
B.错误
A.正确
B.错误
A、S(X-O)
B、S(O1-O2-O3-X-O4-O5-O6)
C、S1(O1-X-O2)S2(O3--O4)
D、S1(X1-O1-X2-O2-X3-O3);S2(X1-O4-X2-O5-X3-O6);S3(X1-O7-X2-O8-X3-O9)
A.BCDEF
B. BCDEFG
C. BCPQRST
D. BCDEFEF