更新数据结构

Code/CPP-Code/head/share_stack.h

@@ -0,0 +1,207 @@
+#include <cstdlib>
+#include <iostream>
+#include "head.h"
+
+using namespace std;
+
+// 共享栈
+class ShareStack{
+private:
+    // 栈内元素
+    element_type *_data{};
+    // 栈顶指针，left从0开始，right从MAXSIZE开始
+    int _top_left{}, _top_right{};
+    // 最大容量
+    int _max_size{};
+public:
+    // 设置数据
+    bool SetData(element_type *data);
+
+    // 左栈顶指针自加
+    bool SetTopLeft();
+
+    // 左设置栈顶指针
+    bool SetTopLeft(int top);
+
+    // 左获取栈顶指针
+    int GetTopLeft() const;
+
+    // 右栈顶指针自减
+    bool SetTopRight();
+
+    // 右设置栈顶指针
+    bool SetTopRight(int top);
+
+    // 右获取栈顶指针
+    int GetTopRight() const;
+
+    // 设置最大容量
+    bool SetMaxSize(int max_size);
+
+    // 获取最大容量
+    int GetMaxSize() const;
+
+    // 构造函数
+    ShareStack();
+
+    explicit ShareStack(int max_size);
+
+    // 判左栈空
+    bool EmptyLeft() const;
+
+    // 判右栈空
+    bool EmptyRight() const;
+
+    // 判栈满
+    bool Full() const;
+
+    // 左栈长
+    int LengthLeft() const;
+
+    // 右栈长
+    int LengthRight() const;
+
+    // 进左栈
+    bool PushLeft(element_type elem);
+
+    // 进右栈
+    bool PushRight(element_type elem);
+
+    // 出左栈
+    element_type PopLeft();
+
+    // 出右栈
+    element_type PopRight();
+
+    // 读左栈顶
+    element_type TopLeft();
+
+    // 读右栈顶
+    element_type TopRight();
+};
+
+bool ShareStack::SetData(element_type *data) {
+    this->_data = data;
+    return true;
+}
+
+bool ShareStack::SetTopLeft() {
+    this->_top_left++;
+    return true;
+}
+
+bool ShareStack::SetTopRight() {
+    this->_top_right--;
+    return true;
+}
+
+bool ShareStack::SetTopLeft(int top) {
+    this->_top_left = top;
+    return true;
+}
+
+bool ShareStack::SetTopRight(int top) {
+    this->_top_right = top;
+    return true;
+}
+
+int ShareStack::GetTopLeft() const {
+    return this->_top_left;
+}
+
+int ShareStack::GetTopRight() const {
+    return this->_top_right;
+}
+
+bool ShareStack::SetMaxSize(int max_size) {
+    this->_max_size = max_size;
+    return true;
+}
+
+int ShareStack::GetMaxSize() const {
+    return this->_max_size;
+}
+
+ShareStack::ShareStack() {
+    this->SetData(new element_type[MAXSIZE]);
+    this->SetMaxSize(MAXSIZE);
+    this->SetTopLeft(-1);
+    this->SetTopRight(MAXSIZE);
+}
+
+ShareStack::ShareStack(int max_size) {
+    this->SetData(new element_type[max_size]);
+    this->SetMaxSize(max_size);
+    this->SetTopLeft(-1);
+    this->SetTopRight(max_size);
+}
+
+bool ShareStack::EmptyLeft() const {
+    return this->GetTopLeft() == -1;
+}
+
+bool ShareStack::EmptyRight() const {
+    return this->GetTopRight() == this->GetMaxSize();
+}
+
+bool ShareStack::Full() const {
+    return this->GetTopRight() - this->GetTopLeft() == 1;
+}
+
+int ShareStack::LengthLeft() const {
+    return this->GetTopLeft() + 1;
+}
+
+int ShareStack::LengthRight() const {
+    return this->GetMaxSize() - this->GetTopRight();
+}
+
+bool ShareStack::PushLeft(element_type elem) {
+    if (this->Full()) {
+        cout << "PushLeft:栈满无法进栈！" << endl;
+        return false;
+    }
+    this->_data[this->SetTopLeft()] = elem;
+    return true;
+}
+
+bool ShareStack::PushRight(element_type elem) {
+    if(this->Full()){
+        cout << "PushRight:栈满无法进栈！" << endl;
+        return false;
+    }
+    this->_data[this->SetTopRight()] = elem;
+    return true;
+}
+
+element_type ShareStack::PopLeft() {
+    if (this->EmptyLeft()) {
+        cout << "PopLeft:栈空无法出栈！" << endl;
+        return NULL;
+    }
+    return this->_data[this->SetTopLeft(this->GetTopLeft() - 1)];
+}
+
+element_type ShareStack::PopRight() {
+    if (this->EmptyRight()) {
+        cout << "PopRight:栈空无法出栈！" << endl;
+        return NULL;
+    }
+    return this->_data[this->SetTopRight(this->GetTopRight() + 1)];
+}
+
+element_type ShareStack::TopLeft() {
+    if (this->EmptyLeft()) {
+        cout << "TopLeft:栈空无法读栈顶元素！" << endl;
+        return NULL;
+    }
+    return this->_data[this->GetTopLeft() - 1];
+}
+
+element_type ShareStack::TopRight() {
+    if (this->EmptyRight()) {
+        cout << "TopRight:栈空无法读栈顶元素！" << endl;
+        return NULL;
+    }
+    return this->_data[this->GetTopRight() + 1];
+}