删除有序单链表中值大于x而不大于y的结点
代码实现
#include
<stdio
.h
>
#include
<stdlib
.h
>
#include
<malloc
.h
>
#define
FLAG -1
typedef struct Node
{
int data
;
struct Node
* next
;
}LNode
,*LinkList
;
void CreateLinkList(LinkList
L);
void show_List(LinkList
L);
void DelLink(LinkList
L,int x
,int y
);
void main()
{
LinkList
L;
L = (LinkList
)malloc(sizeof(LNode
));
printf("创建单链表:\n");
CreateLinkList(L);
printf("遍历单链表:\n");
show_List(L);
printf("删除指定区间后的单链表:\n");
DelLink(L,4,7);
show_List(L);
}
void CreateLinkList(LinkList
L)
{
LinkList s
,r
;
int x
;
scanf("%d",&x
);
r
= L;
while(x
!= FLAG)
{
s
= (LNode
*)malloc(sizeof(LNode
));
s
->data
= x
;
r
->next
= s
;
r
= s
;
scanf("%d",&x
);
}
r
->next
= NULL;
}
void show_List(LinkList
L)
{
LinkList p
= L->next
;
printf("%d",p
->data
);
p
= p
->next
;
while(p
!= NULL)
{
printf("->%d",p
->data
);
p
= p
->next
;
}
printf("\n");
}
void DelLink(LinkList
L,int x
,int y
)
{
LinkList p
,q
,s
;
p
= L->next
;
while((p
!= NULL) && (p
->data
<= x
))
{
q
= p
;
p
= p
->next
;
}
while((p
!= NULL) && (p
->data
<= y
))
{
s
= p
;
p
= p
->next
;
free(s
);
}
q
->next
= p
;
}
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