forked from huihut/interview
-
Notifications
You must be signed in to change notification settings - Fork 1
/
LinkList.cpp
144 lines (123 loc) · 2.63 KB
/
LinkList.cpp
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/**
* @author huihut
* @E-mail:[email protected]
* @version 创建时间:2016年9月18日
* 说明:本程序实现了一个单链表。
*/
#include "stdio.h"
#include "stdlib.h"
#include "malloc.h"
//5个常量定义
#define TRUE 1
#define FALSE 0
#define OK 1
#define ERROR 0
#define OVERFLOW -1
//类型定义
typedef int Status;
typedef int ElemType;
//测试程序长度定义
#define LONGTH 5
//链表的类型
typedef struct LNode {
ElemType data;
struct LNode *next;
} LNode, *LinkList;
//创建包含n个元素的链表L,元素值存储在data数组中
Status create(LinkList &L, ElemType *data, int n) {
LNode *p, *q;
int i;
if (n < 0) return ERROR;
L = NULL;
p = L;
for (i = 0; i < n; i++)
{
q = (LNode *)malloc(sizeof(LNode));
if (NULL == q) return OVERFLOW;
q->data = data[i];
q->next = NULL;
if (NULL == p) L = q;
else p->next = q;
p = q;
}
return OK;
}
//e从链表末尾入链表
Status EnQueue_LQ(LinkList &L, ElemType &e) {
LinkList p, q;
if (NULL == (q = (LNode *)malloc(sizeof(LNode)))) return OVERFLOW;
q->data = e;
q->next = NULL;
if (NULL == L) L = q;
else
{
p = L;
while (p->next != NULL)
{
p = p->next;
}
p->next = q;
}
return OK;
}
//从链表头节点出链表到e
Status DeQueue_LQ(LinkList &L, ElemType &e) {
if (NULL == L) return ERROR;
LinkList p;
p = L;
e = p->data;
L = L->next;
free(p);
return OK;
}
//遍历调用
Status visit(ElemType e) {
printf("%d\t", e);
return OK;
}
//遍历单链表
void ListTraverse_L(LinkList L, Status(*visit)(ElemType e))
{
if (NULL == L) return;
for (LinkList p = L; NULL != p; p = p->next) {
visit(p->data);
}
}
int main() {
int i;
ElemType e, data[LONGTH] = { 1, 2, 3, 4, 5 };
LinkList L;
//显示测试值
printf("---【单链表】---\n");
printf("待测试元素为:\n");
for (i = 0; i < LONGTH; i++) printf("%d\t", data[i]);
printf("\n");
//创建链表L
printf("创建链表L\n");
if (ERROR == create(L, data, LONGTH))
{
printf("创建链表L失败\n");
return -1;
}
printf("成功创建包含%d个元素的链表L\n元素值存储在data数组中\n", LONGTH);
//遍历单链表
printf("此时链表中元素为:\n");
ListTraverse_L(L, visit);
//从链表头节点出链表到e
printf("\n出链表到e\n");
DeQueue_LQ(L, e);
printf("出链表的元素为:%d\n", e);
printf("此时链表中元素为:\n");
//遍历单链表
ListTraverse_L(L, visit);
//e从链表末尾入链表
printf("\ne入链表\n");
EnQueue_LQ(L, e);
printf("入链表的元素为:%d\n", e);
printf("此时链表中元素为:\n");
//遍历单链表
ListTraverse_L(L, visit);
printf("\n");
getchar();
return 0;
}