单选题有以下程序:#include #include char *a=you;char *b=Welcome you to Beijing!;main(){ char *p; p=b; while(*p != *a)p++; p+=strlen(a)+1; printf(%s,p);}程序运行后的输出结果是( )。ABeijing!Byou to Beijing!CWelcome you to Beijing!Dto Beijing!
单选题
有以下程序:#include #include char *a=you;char *b=Welcome you to Beijing!;main(){ char *p; p=b; while(*p != *a)p++; p+=strlen(a)+1; printf(%s,p);}程序运行后的输出结果是( )。
A
Beijing!
B
you to Beijing!
C
Welcome you to Beijing!
D
to Beijing!
参考解析
解析:
while函数判断p指针指向地址的内容是否和a指针指向地址的内容相等,如果不相等,则往后移动指针p,当p指向*b字符串中的'y'时,和*a首地址元素相等,退出while语句后,p再向右移动a字符串长度+1个单位地址,此时p指向't',输出't'及剩余的字符串,答案选择D选项。
while函数判断p指针指向地址的内容是否和a指针指向地址的内容相等,如果不相等,则往后移动指针p,当p指向*b字符串中的'y'时,和*a首地址元素相等,退出while语句后,p再向右移动a字符串长度+1个单位地址,此时p指向't',输出't'及剩余的字符串,答案选择D选项。
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