题目内容

有如下程序:#include < stdio. h >struct S{int x, y;};main(){struct S data[2] ={4, 3, 1,9}; int i;for (i =0; i <2; i ++ )printf( " %d,% d;" , data[ i]. x, data[ i]. y » 1); printf( " \n");}程序运行后的输出结果是()。

A. 4, 1; 1, 4;
B. 4, 1; 2, 4;
C. 4, 3; 1, 9;
D. 4, 3; 2, 3;

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有如下程序:#include < stdio. h >struct person{char name[ 10]; int age;} ;main(){struct person room[2] = {{"Wang" , 19}, {"Li" , 20 ; printf(" %s:%d\n" , (room + 1) -> name, room -> age);}程序运行后的输出结果是()。

A. Li: 19
B. Wang: 19
C. Li: 20
D. Wang: 17

有以下程序:#include < stdio. h >typedef struct stu {char name[ 10];char gender;int score;}STU;void f(STU a, STU * b){ * b = a;printf(" % s,% c,% d," , b -> name, b -> gender, b -> score);}main(){ STU a = { "Zhao" , 'm', 290} , b = { "Qian" , ’f', 350); f(a,&b);printf( "%s,%c,%d\n" , b.name, b.gender,b.score);}程序运行后的输出结果是()。

A. Zhao, m, 290, Qian, f, 350
B. Qian, m, 290, Zhao, m, 290
C. Qian, f, 350,Qian, f, 350
D. Zhao,m, 290, Zhao,m,290

为了建立如图所示的存储结构(即每个结点含两个域,data是数据域,next是指向结点的指针域),则在【】处应填入的选项是( )。struct link{ char data; 【】 } node; data next

A. link *next
B. link next
C. struct link*next
D. structlink next

有以下程序:#include < stdio. h >struct link {int data;struct link * next;};main(){ struct link * h,a ,b;h = &a ; a. data = 10; a. next = &b ; b. data = 20 ;}程序运行时不能输出10, 20的语句是()。

A. printf (“%d, %d\n” , h->data, a.next.data);
B. printf ( “%d, %d\n” , a.data, (*a.next) .data);
C. prinff ( “%d,%d\n”,h->data, (*a.next) .data);
D. printf ( “ %d, %d\n”,a.data,a.next->data);

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