好久都没有写博文了,刚实习的我,有一点忘记的代码的编写。这是进公司实习的第一道编程题。
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#ifndef _LINKLIST_
#define _LINKLIST_
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define N 10 //产生随机数的个数
typedef
int
ElemType;
//定义节点类型
typedef
struct
Node{
ElemType data;
struct
Node *pnext;
}Node;
Node *HeadInsertList();
Node *SeekTialList(Node *head,ElemType num);
#endif
#include"LinkList.h"
Node *HeadInsertList(Node *head)
{
Node *p = NULL;
int
i = 0;
srand
((unsigned
int
)
time
(0));
//随机数种子
head = p = (Node *)
malloc
(
sizeof
(Node));
head-> data =
rand
()%101;
head-> pnext = NULL;
for
(i=1;i<N;i++)
{
p = p->pnext = (Node *)
malloc
(
sizeof
(Node));
p->data =
rand
()%101;
p->pnext = NULL;
}
for
(p = head;p;p=p->pnext)
printf
(
"%d "
,p->data);
printf
(
"\n"
);
return
head;
}
Node *SeekTialList(Node *head,ElemType num)
{
Node *p = NULL;
Node *q = NULL;
p = q = head;
if
(num<=0)
return
NULL;
while
(num-1 > 0)
{
if
(q->pnext!= NULL)
q = q->pnext;
else
return
NULL;
num--;
}
while
(q->pnext != NULL)
{
p = p->pnext;
q = q->pnext;
}
return
p;
}
int
main()
{
Node *head = NULL;
int
num = 0;
head = HeadInsertList(head);
printf
(
"请输入倒数第几个"
);
scanf
(
"%d"
,&num);
if
(NULL == SeekTialList(head,num))
{
printf
(
"no"
);
}
else
{
printf
(
"%d"
,SeekTialList(head,num)->data);
}
printf
(
"\n"
);
system
(
"pause"
);
}
|
本文转自 8yi少女的夢 51CTO博客,原文链接:http://blog.51cto.com/zhaoxiaohu/1748500,如需转载请自行联系原作者