数组实现方式:
1 #ifndef LINEARLIST_H 2 #define LINEARLIST_H 3 #include<iostream> 4 #include<cstdlib> 5 #include<new> 6 using std::cout; 7 using std::endl; 8 template<class T> 9 class LinearList 10 { 11 public: 12 LinearList(int MaxListSize=10);//构造函数 13 virtual ~LinearList(); 14 bool IsEmpty()const 15 { 16 return length==0; 17 } 18 int Length()const {return length;} 19 bool Find(int k,T& x)const;//返回第K个元素到中 20 int Search(T& x)const;//返回x的位置 21 LinearList<T>& Delete(int k,T& x); 22 LinearList<T>& Insert(int k,const T& x); 23 void Output(std::ostream& out)const; 24 25 protected: 26 private: 27 int length; 28 int MaxSize; 29 T *element; 30 }; 31 32 class NoMem 33 { 34 public : 35 NoMem(){ 36 cout<<"No Memory"<<endl; 37 //std::exit(1); 38 } 39 40 }; 41 42 class OutofBounds 43 { 44 public : 45 OutofBounds() 46 { 47 cout<<"Out of Bounds"<<endl; 48 //std::exit(1); 49 } 50 }; 51 52 53 void my_new_handler() 54 { 55 throw NoMem(); 56 } 57 58 template<class T> 59 LinearList<T>::LinearList(int MaxListSize) 60 { 61 std::new_handler old_Handler=std::set_new_handler(my_new_handler); 62 MaxSize=MaxListSize; 63 element=new T[MaxSize]; 64 length=0; 65 66 } 67 68 template<class T> 69 LinearList<T>::~LinearList() 70 { 71 delete[]element; 72 MaxSize=0; 73 length=0; 74 } 75 76 template<class T> 77 bool LinearList<T>::Find(int k,T&x)const 78 { 79 if(k<0||k>length) 80 return false; 81 x=element[k-1]; 82 return true; 83 } 84 85 template<class T> 86 int LinearList<T>::Search(T &x)const 87 { 88 int i=0; 89 while(i<length&&element[i]!=x) 90 { 91 i++; 92 } 93 if(i==length) return 0; 94 else return i+1; 95 } 96 97 template<class T> 98 LinearList<T>& LinearList<T>::Delete(int k,T &x) 99 { 100 if(Find(k,x)) 101 { 102 for(int i=k;i<length;++i) 103 { 104 element[i-1]=element[i]; 105 } 106 length--; 107 return *this; 108 } 109 else 110 { 111 throw OutofBounds(); 112 } 113 } 114 115 template<class T> 116 LinearList<T>& LinearList<T>::Insert(int k,const T &x) 117 { 118 if(k<0||k>length) 119 { 120 throw OutofBounds(); 121 } 122 else if(length==MaxSize) 123 { 124 throw NoMem(); 125 } 126 else 127 { 128 for(int i=length;i>k;--i) 129 { 130 element[i]=element[i-1]; 131 } 132 element[k]=x; 133 length++; 134 return *this; 135 } 136 } 137 138 template<class T> 139 void LinearList<T>::Output(std::ostream& out)const 140 { 141 for(int i=0;i<length;i++) 142 { 143 144 out<<element[i]<<" "; 145 } 146 } 147 148 template<class T> 149 std::ostream& operator<<(std::ostream &out,const LinearList<T>& x) 150 { 151 x.Output(out); 152 return out; 153 } 154 155 #endif // LINEARLIST_H
链表实现方式:
1 #ifndef CHAIN_H 2 #define CHAIN_H 3 4 #include<iostream> 5 #include "exceptionerror.h" 6 using std::cout; 7 using std::endl; 8 9 template<class T> 10 class Chain; 11 12 template <class T> 13 class ChainIterator; 14 15 template<class T> 16 class ChainNode//节点 17 { 18 friend Chain<T>; 19 friend ChainIterator<T>; 20 private: 21 T data; 22 ChainNode<T> *link; 23 }; 24 25 template<class T> 26 class ChainIterator//迭代器 27 { 28 public: 29 T* Initialize(const Chain<T>& c) 30 { 31 location = c.first; 32 if (location) 33 return &location->data; 34 return 0; 35 } 36 T* Next() 37 { 38 if (!location) return 0; 39 location = location->link; 40 if (location) return &location->data; 41 return 0; 42 } 43 private: 44 ChainNode<T> *location; 45 }; 46 47 48 template<class T> 49 class Chain 50 { 51 friend ChainIterator<T>; 52 public: 53 Chain(){ first = 0; }; 54 virtual ~Chain(); 55 bool IsEmpty()const { return first == 0; } 56 int Length()const; 57 bool Find(int k, T& x)const;//将位置k的元素值存入x 58 int Search(const T& x)const;//查找是否有x 59 Chain<T>& Delete(int k, T& x); 60 Chain<T>& Insert(int k, const T& x); 61 void Erase();//释放所有元素 62 Chain<T>& Append(const T& x);//在右端添加元素x 63 void Output(std::ostream& out)const; 64 void Binsort(int range, int(*value)(T& x));//箱子排序 65 protected: 66 private: 67 ChainNode<T> *first;//Point to first node 68 ChainNode<T> *last; 69 }; 70 71 template<class T> 72 void Chain<T>::Binsort(int range, int(*value)(T& x)) 73 { 74 int b;//箱子索引号 75 ChainNode<T> **bottom, **top; 76 //箱子初始化 77 bottom = new ChainNode<T>*[range + 1]; 78 top = new ChainNode<T>*[range + 1]; 79 for (b = 0; b <= range; b++) 80 { 81 bottom[b] = 0; 82 } 83 84 for (; first; first = first->link) 85 { 86 b = value(first->data); 87 if (bottom[b]) 88 { 89 top[b]->link = first; 90 top[b] = first; 91 } 92 else 93 { 94 bottom[b] = top[b] = first; 95 } 96 } 97 98 ChainNode<T> *y = 0; 99 for (b = 0; b <= range; b++) 100 { 101 if (bottom[b]) 102 { 103 if (y) 104 y->link = bottom[b]; 105 else 106 first = bottom[b]; 107 108 y = top[b]; 109 } 110 } 111 if (y) y->link = 0; 112 delete[] bottom; 113 delete[] top; 114 115 } 116 117 template<class T> 118 Chain<T>& Chain<T>::Append(const T& x) 119 { 120 ChainNode<T> *y = new Chain<T>(); 121 y->data = x; 122 y->link = 0; 123 if (first) 124 { 125 last->link = y; 126 last = y; 127 } 128 else 129 { 130 first = last = y; 131 } 132 133 return *this; 134 } 135 136 137 138 template<class T> 139 void Chain<T>::Erase() 140 { 141 ChainNode<T> *next; 142 while (first) 143 { 144 next = first->link; 145 delete first; 146 first = next; 147 } 148 } 149 150 template<class T> 151 Chain<T>::~Chain() 152 { 153 ChainNode<T> *next; 154 while (first) 155 { 156 next = first->link; 157 delete first; 158 first = next; 159 } 160 } 161 162 template<class T> 163 int Chain<T>::Length()const 164 { 165 ChainNode<T> *current = first; 166 int len = 0; 167 while (current) 168 { 169 len++; 170 current = current->link; 171 } 172 return len; 173 } 174 175 template<class T> 176 bool Chain<T>::Find(int k, T& x)const 177 { 178 if (k < 1) return false; 179 ChainNode<T> *current = first; 180 int index = 1; 181 while (index < k&¤t) 182 { 183 current = current->link; 184 index++; 185 186 } 187 if (current) 188 { 189 x = current->data; 190 return true; 191 } 192 return false; 193 } 194 195 template<class T> 196 int Chain<T>::Search(const T &x)const 197 { 198 ChainNode<T> *current = first; 199 int index = 1; 200 while (current&¤t->data != x) 201 { 202 current = current->link; 203 index++; 204 } 205 if (current) return index; 206 return false; 207 } 208 209 template<class T> 210 void Chain<T>::Output(std::ostream& out)const 211 { 212 ChainNode<T> *current = first; 213 for (current = first; current; current = current->link) 214 { 215 out << current->data << " "; 216 } 217 218 } 219 220 template<class T> 221 std::ostream& operator<<(std::ostream& output, const Chain<T> &x) 222 { 223 x.Output(output); 224 return output; 225 } 226 227 template<class T> 228 Chain<T>& Chain<T>::Delete(int k, T& x) 229 { 230 if (k < 1 || !first) 231 throw OutofBounds(); 232 ChainNode<T> *p = first; 233 if (k == 1) 234 first = first->link; 235 else 236 { 237 ChainNode<T> *q = first; 238 for (int index = 1; index < k - 1 && q; index++) 239 { 240 q = q->link; 241 } 242 if (!q || q->link) 243 throw OutofBounds(); 244 p = q->link; 245 if (p == last){ last = q; } 246 q->link = p->link; 247 } 248 x = p->data; 249 delete p; 250 return *this; 251 } 252 253 template<class T> 254 Chain<T>& Chain<T>::Insert(int k, const T &x) 255 { 256 if (k < 0) 257 throw OutofBounds(); 258 ChainNode<T> *p = first; 259 for (int index = 1; index<k&&!p; ++index) 260 { 261 p = p->link; 262 } 263 if (k>0 && !p) throw OutofBounds(); 264 ChainNode<T> *y = new ChainNode<T>; 265 y->data = x; 266 if (k) 267 { 268 y->link = p->link; 269 p->link = y; 270 } 271 else 272 { 273 y->link = first; 274 first = y; 275 } 276 if (!y->link) 277 last = y; 278 return *this; 279 } 280 #endif // CHAIN_H
时间: 2024-10-14 20:57:03