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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
| #include<iostream>
using namespace std;
class List
{
private:
struct element
{
char* name;
int number;
element *next;
};
element *head;
public:
List();
List operator + (const List &x);
element* getHead() const {return head; }
void insert(char *m, int num);
void removed(int num);
void print();
void move(int num, char *n);
friend List operator -(const List &x, const List &obj);
};
List operator -(const List &x, const List &obj)
{
List *result = new List;
List::element *tmp1 = x.getHead();
while(tmp1)
{
result->insert(tmp1->name,tmp1->number);
tmp1=tmp1->next;
}
List::element *tmp2 = obj.getHead();
while(tmp2)
{
result->move(tmp2->number,tmp2->name);
tmp2 = tmp2->next;
}
return *result;
}
void List::move(int num,char *n)
{
if(!head)
{
cout<<"there is no element exist in the list"<<endl;
}
else
{
while((!strcmp(head->name,n))&&(head->number == num))
{
element *tmp = head;
head = tmp->next;
delete []tmp->name;
delete tmp;
}
{
element *tmp1 = head;
element *tmp2;
while(tmp1->next&& !(tmp1->number == num && !(strcmp(tmp1->name,n))))
{
tmp2 = tmp1->next;
if(tmp1->next->number == num&& !(strcmp(tmp1->next->name,n)))
{
tmp1->next = tmp1->next->next;
delete []tmp2->name;
delete tmp2;
}
else
{
tmp1 = tmp1->next;
}
}
}
}
}
List::List()
{
head = NULL;
cout<<"construction are called "<<endl;
}
List List:: operator + (const List &x)
{
List *result = new List;
element *tmp = this->head;
while (tmp)
{
result->insert(tmp->name, tmp->number);
tmp = tmp->next;
}
element *ptr = x.getHead();
while (ptr)
{
result->insert(ptr->name, ptr->number);
ptr = ptr->next;
}
return *result;
}
void List::insert(char *m, int num)
{
if(!head)
{
head = new element;
head->name = new (char [strlen(m)+1]);
strcpy(head->name,m);
head->number = num;
head->next = NULL;
}
else
{
element *tmp = head;
element *tail;
tail = new element;
tail->name = new (char [strlen(m)+1]);
strcpy(tail->name,m);
tail->number = num;
tail->next = NULL;
if(strcmp(head->name,m) >= 0)
{
head = tail;
tail->next = tmp;
}
else if(!head->next && strcmp(head->name,m) <= 0)
{
head->next = tail;
}
else if(head->next)
{
element *tmp2= head;
element *tmp1 =tmp2->next;
while (tmp1->next)
{
if(strcmp(tmp2->name,m)<=0 &&strcmp(tmp1->name,m)>=0)
{
break;
}
else
{
tmp2 = tmp1;
tmp1 = tmp1->next;
}
}
if(strcmp(tmp2->name,m)<=0 &&strcmp(tmp1->name,m)>=0)
{
tmp2->next = tail;
tail->next = tmp1;
}
else
{
tmp1->next = tail;
}
}
}
}
void List::removed(int num)
{
if(!head)
{
cout<<"there is no element exist in the list"<<endl;
}
else
{
while(head->number == num)
{
element *tmp = head;
head = tmp->next;
delete []tmp->name;
delete tmp;
}
{
element *tmp1 = head;
element *tmp2;
while(tmp1->next&&tmp1->number != num)
{
tmp2 = tmp1->next;
if(tmp1->next->number == num)
{
tmp1->next = tmp1->next->next;
delete []tmp2->name;
delete tmp2;
}
else
{
tmp1 = tmp1->next;
}
}
}
}
}
void List::print()
{
if(!head)
{
cout<<"there is no element exist in this list"<<endl;
}
else
{
element *tmp = head;
while(tmp->next)
{
cout<<tmp->name<<" "<<tmp->number<<endl;
tmp = tmp->next;
}
cout<<tmp->name<<" "<<tmp->number<<endl;
}
}
int main()
{
List A;
A.insert("ala",23);
A.insert("ala",123);
A.insert("ola",13);
A.insert("ela",12);
A.insert("gla",123);
A.insert("hla",123);
A.print();
cout<<"----"<<endl;
List B;
B.insert("ala",23);
B.insert("gla",123);
B.insert("ola",13);
B.insert("rla",12);
B.print();
cout<<"----------"<<endl;
List C;
C = A+B;
C.print();
cout<<"--------"<<endl;
List D;
D = A- B;
D.print();
cout<<"--------"<<endl;
List E;
E= A - A;
E.print();
} |
soustraire list A-A
Répondre avec citation
Partager