题目内容
以下程序段执行后，输出结果为【 B 】。struct Student{int num;char name[20];char gender;} a[3]={{1001,"zhanghua",'f'},{1002,"yumei",'f'},{1003,"xuemei",'f'}},x={1201,"xuxin",'m'};printf("%d\n",(a+1)->num);
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以下程序段执行后，输出结果为【】。struct Student{char name[10];float score;}s[2]={{"liying",88.5},{"zhangming",77.5}};printf("%s,%.1f\n",s->name,(s+1)->score);
以下程序段执行后，输出结果为【 】。struct Student{int num;char name[20];char gender;}stu={1001,"Lilin",'m'};struct Student *p=&stu;p->num=1101;printf("%d,%s\n",stu.num,p->name);A）B）C）D）
以下程序段执行后，输出结果为【】。struct Student{char name[10];float score;}s={"wanwei",77.5},*ps=&s;strcpy(ps->name,"liming");s.score=88.5;printf("%s,%.1f\n",s.name,ps->score);）
以下程序段的运行结果是【】。struct Machine{int num;int length;};struct Machine x={101,60};struct Machine y={102,56};struct Machine z={103,67};int sum;sum=x.length+y.length+z.length;printf("%d\n",sum);
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