哪错了？？？

tjf

#include "stdio.h"
#include "malloc.h"
#include "stdlib.h"
#define LEN sizeof(struct student)
struct student *creat();
void print (struct student *head);
struct student
{
int num;
float score;
struct student *next;
};
int n;
void main()
{
struct student *stu;
stu = creat();
print(stu);
printf("\n\n");
systen("pause");
}
struct student *creat()
{
struct student *head;
struct student *p1,*p2;
p1=p2=(struct student *)malloc(LEN);
printf("please enter the num:");
scanf("%d",&p1->num);
printf("please enter the score:");
scanf("%d",&p1->score);
head = NULL;
n=0;
while (p1->num)
{
  n++;
  if(1==n)
  {
   head = p1;
  }
  else
  {
   p2->next=p1;
  }
  p2=p1;
  p1=(struct student *)malloc(LEN);
  printf("please enter the num:");
  scanf("%d",&p1->num);
  printf("please enter the score:");
  scanf("%d",&p1->score);
}
p2->next=NULL;
return head;
}
void print(struct student *head)
{
struct student *p;
printf("\nthere are %d records!\n\n",n);
p=head;
if (head)
{
  do
  {
   printf("学号为%d的成绩是:%f\n",p->num,p->score);
   p=p->next;
  }while (p);
}
}

格式天下

1. #include "stdio.h"
   
2. #include "malloc.h"
   
3. #include "stdlib.h"
   
4. #define LEN sizeof(struct student)
   
5. struct student *creat();
   
6. void print (struct student *head);
   
7. struct student
   
8. {
   
9. int num;
   
10. float score;
    
11. struct student *next;
    
12. };
    
13. int n;
    
14. void main()
    
15. {
    
16. struct student *stu;
    
17. stu = creat();
    
18. print(stu);
    
19. printf("\n\n");
    
20. system("pause");//兄台，你这写错了
    
21. }
    
22. struct student *creat()
    
23. {
    
24. struct student *head;
    
25. struct student *p1,*p2;
    
26. p1=p2=(struct student *)malloc(LEN);
    
27. printf("please enter the num:");
    
28. scanf("%d",&p1->num);
    
29. printf("please enter the score:");
    
30. scanf("%d",&p1->score);
    
31. head = NULL;
    
32. n=0;
    
33. while (p1->num)
    
34. {
    
35.   n++;
    
36.   if(1==n)
    
37.   {
    
38.    head = p1;
    
39.   }
    
40.   else
    
41.   {
    
42.    p2->next=p1;
    
43.   }
    
44.   p2=p1;
    
45.   p1=(struct student *)malloc(LEN);
    
46.   printf("please enter the num:");
    
47.   scanf("%d",&p1->num);
    
48.   printf("please enter the score:");
    
49.   scanf("%d",&p1->score);
    
50. }
    
51. p2->next=NULL;
    
52. return head;
    
53. }
    
54. void print(struct student *head)
    
55. {
    
56. struct student *p;
    
57. printf("\nthere are %d records!\n\n",n);
    
58. p=head;
    
59. if (head)
    
60. {
    
61.   do
    
62.   {
    
63.    printf("学号为%d的成绩是:%f\n",p->num,p->score);
    
64.    p=p->next;
    
65.   }while (p);
    
66. }
    
67. }

复制代码

system写错了

tjf

格式天下 发表于 2013-9-25 19:00

                               
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system写错了

原来是这个写错了啊:sweat:现在又发现一个问题，输出成绩的时候为什么都是0.000000

tjf

原来是有两个地方是%f，写成了%d了，终于没错了

tjf

#include "stdio.h"
#include "malloc.h"
#include "stdlib.h"
#define LEN sizeof(struct student)
struct student *creat();
void print (struct student *head);
struct student
{
        int num;
        float score;
        struct student *next;
};
int n;
void main()
{
        struct student *stu;
        stu = creat();
        print(stu);
        printf("\n\n");
        system("pause");
}
struct student *creat()
{
        struct student *head;
        struct student *p1,*p2;
        p1=p2=(struct student *)malloc(LEN);
        printf("please enter the num:");
        scanf("%d",&p1->num);
        printf("please enter the score:");
        scanf("%f",&p1->score);
        head = NULL;
        n=0;
        while (p1->num)
        {
                n++;
                if(1==n)
                {
                        head = p1;
                }
                else
                {
                        p2->next=p1;
                }
                p2=p1;
                p1=(struct student *)malloc(LEN);
                printf("please enter the num:");
                scanf("%d",&p1->num);
                printf("please enter the score:");
                scanf("%f",&p1->score);
        }
        p2->next=NULL;
        return head;
}
void print(struct student *head)
{
        struct student *p;
        printf("\nthere are %d records!\n\n",n);
        p=head;
        if (head)
        {
                do
                {
                        printf("学号为%d的成绩是:%f\n",p->num,p->score);
                        p=p->next;
                }while (p);
        }
}

林黛玉的葬礼

system错可是比较低级的错误啊，

tjf

林黛玉的葬礼 发表于 2013-9-25 20:43

                               
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system错可是比较低级的错误啊，

我就一菜鸟，之前还不知道有system这东西。:dizzy:就当是学C的新手的反面教材吧:lol:

玉宁417

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