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#include<stdio.h>
#include<stdlib.h>
struct stud_node
{
int num;
char name[20];
int grade;
struct stud_node *next;
};
struct stud_node *Creat_Stud_Doc();
struct stud_node * InsertDoc(struct stud_node *head,struct stud_node *p);
int main()
{
int choice;
struct stud_node *head;
do
{
printf("请输入您要执行的操作:");
scanf("%d",&choice);
switch(choice)
{
case 1:
head = Creat_Stud_Doc();
break;
}
}while(choice!=0);
}
struct stud_node *Creat_Stud_Doc()
{
struct stud_node *head,*p;
int size;
int num;
char name[20];
int grade;
size = sizeof(struct stud_node);
printf("请输入学生信息:");
scanf("%d%s%d",&num,name,&grade);
head = NULL;
while(num != 0)
{
p = (struct stud_node *)malloc(size);
p ->num = num;
strcpy(p ->num,num);
p ->grade = grade;
head = InsertDoc(head,p);
scanf("%d%s%d",&num,name,&grade);
}
return head;
};
struct stud_node *InsertDoc(struct stud_node *head, struct stud_node *p)
{
struct stud_node *str,*str1,*str2;
str = p;
str2 = head;
if(head == NULL)
{
head = str;
head ->next = NULL;
}
else
{
while((str ->num > str2 ->num) && (str2 ->next != NULL))
{
str1 = str2;
str2 = str2 ->next;
}
if(str ->num <= str2 ->num)
{
if(str2 == head)
{
head = str;
}
else
{
str1->next = str;
}
str->next ->str2;
}
else
{
str2 = str;
str2->next = NULL;
}
}
return head;
};
写的链表增加和插入,但是编译出错,大神帮忙看一下哪里出错?
第50行,strcpy函数需要include一个库文件string.h
另外,该函数用于字符串复制,你应该是打错了,估计你是想把name复制给p->name
第88行,赋值运算符=写错了,写成 -> 了
我只看了编译错误,没有逻辑运行是否正确
这些应该能够在编译给出的错误提示中看出来啊。看不懂编译的错误提示?
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