2024-3-18

Chapter3/DancePartner/DancePartner.cpp

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+#include<iostream>
+#include<string>
+using namespace std;
+
+struct dancer							// 舞者信息
+{
+	string name;						// 姓名
+	char sex;							// 性别
+};
+
+
+struct Node								// 队列结点
+{
+	dancer data;						// 数据域
+	Node* next;							// 指针域，指向后继
+}*front, * rear;							// 队头、队尾										
+
+struct LinkQueue
+{
+	Node* front;
+	Node* rear;
+};											// 男队和女队
+
+void InitialLinkQueue(LinkQueue& Q)						// 初始化队列
+{
+	Q.front = new Node;
+	Q.front->next = NULL;
+	Q.rear = Q.front;
+}
+
+void DestroyLinkQueue(LinkQueue& Q)						// 销毁队列
+{
+	Node* p;
+	while (Q.front != NULL)
+	{
+		p = Q.front;
+		Q.front = Q.front->next;
+		delete p;
+	}
+}
+
+void EnQueue(LinkQueue& Q, dancer& e)					// 入队
+{
+	Node* s = new Node;
+	s->data = e;
+	s->next = Q.rear->next;
+	Q.rear->next = s;
+	Q.rear = s;
+}
+
+bool IsEmpty(LinkQueue Q)								// 判队空
+{
+	if (Q.front == Q.rear)
+		return true;
+	else
+		return false;
+}
+
+bool DeQueue(LinkQueue& Q, dancer& e)					// 出队
+{
+	Node* p;
+	if (IsEmpty(Q))										// 队空，
+	{
+		cout << "队列为空，无法出队列！";
+		return false;
+	}
+	p = Q.front->next;
+	e = p->data;
+	Q.front->next = p->next;
+	if (p == Q.rear)										// 只有一个元素，出队
+		Q.rear = Q.front;									// 修改队尾指针
+	delete p;
+	return true;
+}
+
+bool GetHead(LinkQueue Q, dancer& e)
+{
+	if (IsEmpty(Q)) 										// 队空
+	{
+		cout << "队列为空，无法取得队首元素！";
+		return false;
+	}
+	e = Q.front->next->data;								// 返回队头元素
+	return true;
+}
+
+void QueueTranverse(LinkQueue Q)							// 遍历队
+{
+	Node* p;
+	p = Q.front->next;
+	while (p != NULL)
+	{
+		cout << (p->data).name << " ";
+		p = p->next;
+	}
+	cout << endl;
+}
+
+void EntranHall(dancer person[], int num)					// 舞者入场
+{
+	int i;
+	for (i = 0; i < num; i++)
+	{
+		cout << "请输入第" << i + 1 << "个舞者性别(F(女) or M(男))及姓名:" << endl;
+		cin >> person[i].sex;
+		cin >> person[i].name;
+	}
+	cout << "现有舞者：" << endl;
+	for (i = 0; i < num; i++)
+	{
+		cout << i + 1 << ":" << person[i].sex
+			<< "," << person[i].name << endl;
+	}
+
+}
+
+
+//算法3.24
+void DancePartner(dancer person[], int num)
+{
+	dancer newdancer, m, f, p;
+	LinkQueue GenQueue;
+	LinkQueue LadyQueue;
+	InitialLinkQueue(GenQueue);							    // 初始化男队
+	InitialLinkQueue(LadyQueue);									    // 初始化女队
+	for (int i = 0; i < num; i++)										// 舞者入场
+	{
+		p = person[i];
+		if (p.sex == 'F')
+			EnQueue(LadyQueue, p);
+		else
+			EnQueue(GenQueue, p);
+	}
+	while ((!IsEmpty(GenQueue)) && (!IsEmpty(LadyQueue)))		// 匹配舞者
+	{
+		DeQueue(GenQueue, m);								// 女士出队
+		DeQueue(LadyQueue, f);								// 男士出队
+		cout << m.name << "<---配对--->" << f.name << endl;       // 男、女配队
+	}
+	if (!IsEmpty(GenQueue))
+	{
+		GetHead(GenQueue, m);
+		cout << m.name << "先生还在等着呢!" << endl;
+	}
+	else if (!IsEmpty(LadyQueue))
+	{
+		GetHead(LadyQueue, f);
+		cout << f.name << "女士还在等着呢!" << endl;
+	}
+	else
+		cout << "配对完美结束!" << endl;
+	DestroyLinkQueue(GenQueue);							// 销毁队列
+	DestroyLinkQueue(LadyQueue);
+}
+
+int main()
+{
+	dancer* person;
+	int num;
+	cout << "请输入舞伴总数量:" << endl;
+	cin >> num;
+	person = new dancer[num];
+	EntranHall(person, num);							// 舞者入场
+	DancePartner(person, num);							// 舞者匹配
+	return 0;
+}
+

Chapter3/DancePartner/DancePartner.vcxproj

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Chapter3/DancePartner/DancePartner.vcxproj.filters

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Chapter3/DancePartner/LinkQueue.h

@@ -0,0 +1,112 @@
+
+template <class DT>
+struct QNode  //结点
+{
+	DT data;     //数据域，存储数据元素值
+	QNode* next;//指针域，指向下一个结点
+};
+
+template<class DT>
+struct LinkQueue
+{
+	QNode<DT>* front;
+	QNode<DT>* rear;
+};
+
+
+//【算法3.19】
+template <class DT>
+void InitQueue(LinkQueue<DT>& Q)//创建空队列
+{
+	Q.front = new QNode<DT>;     //创建头结点
+	if (!Q.front) exit(1);  //创建失败，结束运行
+	Q.front->next = NULL;
+	Q.rear = Q.front;
+}
+
+//【算法3.20】
+template <class DT>
+void DestroyQueue(LinkQueue<DT>& Q)//释放链队
+{
+	QNode<DT>* p;
+	while (Q.front)//从头结点开始，依次释放结点
+	{
+		p = Q.front;
+		Q.front = Q.front->next;
+		delete p;
+	}
+}
+
+//【算法3.21】 入队
+template<class DT>
+bool EnQueue(LinkQueue<DT>& Q, DT e)
+{
+	QNode<DT>* p;
+	p = new QNode<DT>;         // 创建新结点
+	if (!p) return false;      // 创建失败，结束运行
+	p->data = e;               // 新结点赋值
+	p->next = NULL;            // 链在队尾
+	Q.rear->next = p;
+	Q.rear = p;
+	return true;             // 入队成功，返回true
+}
+
+//【算法3.22】 出队
+template<class DT>
+bool DeQueue(LinkQueue<DT>& Q, DT& e)
+{
+	QNode<DT>* p;
+	if (Q.front == Q.rear)  return false;     //队空，返回false
+	p = Q.front->next;                      // 取出队元素
+	e = p->data;
+	Q.front->next = p->next;                //队首元素出队
+	if (Q.rear == p)                         //只有一个元素时出队，
+		Q.rear = Q.front;                  // 修改队尾
+	delete p;
+	return true;                        // 出队成功，返回true
+}
+
+
+//【算法3.23】  取队头元素
+template<class DT>
+bool GetHead(LinkQueue<DT> Q, DT& e)
+{
+	if (Q.front == Q.rear)  return false;     // 队空，返回false
+	e = Q.front->next->data;
+	return true;                           // 删除成功，返回true
+}
+
+//取队尾元素
+template<class DT>
+bool GetTail(LinkQueue<DT> Q, DT& e)
+{
+	if (Q.front == Q.rear)             // 队空
+		return false;               // 返回false
+	e = Q.rear->data;                 // 获取队尾元素
+	return true;                    // 返回true
+}
+
+//测队空
+template<class DT>
+bool QueueEmpty(LinkQueue<DT> Q)
+{
+	if (Q.front == Q.rear)    // 队空
+		return true;       //返回true
+	else                  //非空
+		return false;    //返回false
+}
+
+//显示队列内容
+template<class DT>
+void DispQueue(LinkQueue<DT> Q)
+{
+	QNode<DT>* p;
+	p = Q.front->next;
+	while (p)
+	{
+		cout << p->data << "\t";
+		p = p->next;
+	}
+	cout << endl;
+}
+