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14
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22029-xys
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354335@qq.com
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？
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手搓STL stack 双向无环链表 _ 向量 2种实现方式: template class Stack_l /* Stack _ List */ { private: struct Node { Map_Type Node_Data; Node *nextp, *lastp; Node(void) { nextp = 0; lastp = 0; } }; struct List_Data { unsigned int List_Size; Node *headp, *endp; List_Data(void) { List_Size = 0; headp = 0; endp = 0; } }Data; struct Vector_Data { Map_Type *headp, *lastp, *endp; void resize(unsigned int data_size) { Map_Type *newp = new Map_Type[data_size](); endp = newp + data_size - 1; lastp = newp + (data_size > lastp - headp ? lastp - headp : data_size); if (headp) delete[] headp; headp = newp; } Vector_Data(void) { headp = 0; lastp = 0; endp = 0; } }; public: unsigned int size(void) { return Data.List_Size; } Map_Type& top(void) { return Data.endp -> Node_Data; } void* data(void) { return &Data; } bool empty(void) { return !((bool)Data.headp); } Stack_l& push(Map_Type push_data) { Node *nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = push_data; ++Data.List_Size; return *this; } Stack_l& push(Map_Type& push_data) { Node *nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = push_data; ++Data.List_Size; return *this; } Stack_l& push(Map_Type* push_data) { Node *nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = *push_data; ++Data.List_Size; return *this; } Stack_l& push(const Map_Type* push_data) { Node *nodep = new Node(); nodep -> lastp = Data.endp; if (!Data.headp) { Data.headp = nodep; Data.endp = nodep; } else Data.endp -> nextp = nodep; Data.endp = nodep; nodep -> Node_Data = *(Map_Type*)push_data; ++Data.List_Size; return *this; } Stack_l& pop(void) { if (Data.headp) { if (Data.List_Size == 1u) { delete Data.headp; Data.List_Size = 0; Data.headp = 0; Data.endp = 0; } else { Data.endp = Data.endp -> lastp; delete Data.endp -> nextp; Data.endp -> nextp = 0; --Data.List_Size; } } return *this; } Stack_l& clear(void) { while (Data.List_Size) { pop(); } return *this; } Stack_l(void) { /* NULL */ } Stack_l(unsigned int data_size, Map_Type map_data) { Data.List_Size = data_size; while (data_size--) { Node *nodep = new Node(); nodep -> Node_Data = map_data; if (Data.headp) { nodep -> lastp = Data.endp; Data.endp -> nextp = nodep; Data.endp = nodep; } else { Data.headp = nodep; Data.endp = nodep; } } } Stack_l(Stack_l& map_data) { if (!map_data.empty()) { List_Data *listp = (List_Data*)map_data.data(); Node *nodep = listp -> headp, *newp; for (unsigned int i = 0; i != listp -> List_Size; ++i, nodep = nodep -> nextp) { newp = new Node(); newp -> Node_Data = nodep -> Node_Data; if (Data.headp) { newp -> lastp = Data.endp; Data.endp -> nextp = newp; Data.endp = newp; } else { Data.headp = newp; Data.endp = newp; } } Data.List_Size = listp -> List_Size; } } Stack_l& operator=(Stack_l& copy_data) { if (copy_data.empty()) return *this; List_Data *listp = (List_Data*)copy_data.data(); Node *nodep = listp -> headp, *newp; for (unsigned int i = 0; i != listp -> List_Size; ++i, nodep = nodep -> nextp) { newp = new Node(); newp -> Node_Data = nodep -> Node_Data; if (Data.headp) { newp -> lastp = Data.endp; Data.endp -> nextp = newp; Data.endp = newp; } else { Data.headp = newp; Data.endp = newp; } } Data.List_Size = listp -> List_Size; return *this; } bool operator==(Stack_l& cmp_data) { if (cmp_data.size() != Data.List_Size) return false; else if (cmp_data.empty() && (!Data.List_Size)) return true; Node *nodep1 = Data.headp, *nodep2 = ((List_Data*)cmp_data.data()) ->headp; for (unsigned int i = 0; i != Data.List_Size; ++i, nodep1 = nodep1 -> nextp, nodep2 = nodep2 ->nextp) { if (nodep1 -> Node_Data != nodep2 -> Node_Data) return false; } return true; } bool operator!=(Stack_l& cmp_data) { if (cmp_data.size() == Data.List_Size) return false; else if (cmp_data.empty() && (!Data.List_Size)) return false; Node *nodep1 = Data.headp, *nodep2 = ((List_Data*)cmp_data.data()) ->headp; for (unsigned int i = 0; i != Data.List_Size; ++i, nodep1 = nodep1 -> nextp, nodep2 = nodep2 ->nextp) { if (nodep1 -> Node_Data != nodep2 -> Node_Data) return true; } return true; } ~Stack_l(void) { clear(); } }; /* Stack _ List */ template class Stack_v /* Stack _ Vector */ { private: struct Node { Map_Type Node_Data; Node *nextp, *lastp; Node(void) { nextp = 0; lastp = 0; } }; struct List_Data { unsigned int List_Size; Node *headp, *endp; List_Data(void) { List_Size = 0; headp = 0; endp = 0; } }; struct Vector_Data { Map_Type *headp, *lastp, *endp; void resize(unsigned int data_size) { Map_Type *newp = new Map_Type[data_size](); endp = newp + data_size - 1; lastp = newp + (data_size > lastp - headp ? lastp - headp : data_size); if (headp) delete[] headp; headp = newp; } Vector_Data(void) { headp = 0; lastp = 0; endp = 0; } }Data; public: unsigned int size(void) { return Data.lastp - Data.headp; } Map_Type& top(void) { return *(Data.lastp - 1); } void* data(void) { return &Data; } bool full(void) { if (!Data.headp) return true; return Data.endp + 1 == Data.lastp; } bool empty(void) { if (!Data.headp) return true; return Data.headp == Data.lastp; } Stack_v& push(Map_Type push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); *Data.lastp = push_data; ++Data.lastp; return *this; } Stack_v& push(Map_Type& push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); *Data.lastp = push_data; ++Data.lastp; return *this; } Stack_v& push(Map_Type* push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); *Data.lastp = *push_data; ++Data.lastp; return *this; } Stack_v& push(const Map_Type* push_data) { if (full()) Data.resize((unsigned int)((Data.lastp - Data.headp) * 1.5) + 1); *Data.lastp = *(Map_Type*)push_data; ++Data.lastp; return *this; } Stack_v& pop(void) { if (empty()) { if (Data.lastp - Data.headp > 1) Data.resize((Data.lastp - Data.headp) >> 1); else return *this; } else --Data.lastp; return *this; } Stack_v(void) { /* NULL */ } Stack_v(unsigned int data_size, Map_Type map_data) { while (data_size) { push(&map_data); --data_size; } } Stack_v(Stack_v& map_data) { Vector_Data *datap = (Vector_Data*)map_data.data(); for (unsigned int i = 0, k = map_data.size(); i != k; ++i) push(datap -> headp + i); } Stack_v& operator=(Stack_v& copy_data) { if (copy_data.empty()) clear(); else { Vector_Data *datap = (Vector_Data*)copy_data.data(); for (unsigned int i = 0, k = copy_data.size(); i != k; ++i) push(datap -> headp + i); } return *this; } bool operator==(Stack_v& cmp_data) { if (size() != cmp_data.size()) return false; else if (empty() && cmp_data.empty()) return true; Vector_Data *datap = (Vector_Data*)cmp_data.data(); for (unsigned int i = 0, k = size(); i != k; ++i) { if (*(Data.headp + i) != *(datap ->headp + i)) return false; } return true; } bool operator!=(Stack_v& cmp_data) { if (size() != cmp_data.size()) return true; else if (empty() && cmp_data.empty()) return false; Vector_Data *datap = (Vector_Data*)cmp_data.data(); for (unsigned int i = 0, k = size(); i != k; ++i) { if (*(Data.headp + i) != *(datap -> headp + i)) return true; } return false; } Stack_v& clear(void) { delete[] Data.headp; Data.headp = 0; Data.lastp = 0; Data.endp = 0; return *this; } ~Stack_v(void) { delete[] Data.headp; } }; /* Stack _ Vector */ int main(void) { return 0; }
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