tthhee
diff --git a/‎C++PrimerTest/C++PrimerTest.cpp
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diff --git a/‎C++PrimerTest/exercise13-14.cpp
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diff --git a/‎C++PrimerTest/exercise13-14.exe
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diff --git a/‎C++PrimerTest/exercise13.18.cpp
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@@ -0,0 +1,70 @@
+#include <iostream>
+#include <string>
+#include <memory>
+#include <vector>
+using namespace std;
+
+struct CModel
+{
+private:
+	int a;
+	string str;
+public:
+	CModel()
+	{
+		cout << "CModel()" << endl;
+		a = 0;
+		str = " ";
+	}
+	CModel(int i, string s):a(i), str(s)
+	{
+		cout << "CModel(i, s)" << endl; 
+	}
+	CModel(const CModel& m)
+	{
+		cout << "CModel(const CModel&)" << endl;
+		a = m.a;
+		str = m.str;
+	}
+	void print()
+	{
+		cout << "a: " << a << endl;
+		cout << "str: " << str << endl;
+	}
+	CModel& operator=(CModel& s)
+	{
+		a = s.a;
+		str = s.str;
+		cout << "using operator=" << endl;
+	}
+
+	~CModel()
+	{
+		cout << "using ~CModel()" << endl;
+	}
+};
+
+void showCModel(CModel& obj)
+{
+	obj.print();
+}
+int main()
+{
+	CModel object(2, "xiangyu");
+	CModel object2(3, "liuchang");
+//	shared_ptr<CModel> cp = make_shared<CModel>(object);
+	vector<CModel> 	Cvec;
+	Cvec.push_back(object);
+	Cvec.push_back(object2);
+	Cvec.push_back(object2);
+	Cvec.push_back(object);
+	cout << "size: " << Cvec.size() << "maxsize: " << Cvec.max_size() << endl;
+	for(auto it : Cvec)
+	{
+		it.print();
+	}
+
+//	showCModel(*cp);
+	return 0;
+}
+
@@ -0,0 +1,41 @@
+#include <iostream>
+
+class Numbered
+{
+public:
+	int mysn;
+	int a;
+	int b;
+	static int num;
+	Numbered()
+	{
+		num++;
+		mysn = num;
+		a = 0;
+		b = 0;
+	}
+	Numbered(const Numbered & s)
+	{
+		num++;
+		mysn = num;
+		a = s.a;
+		b = s.b;
+
+	}
+
+
+};
+void f(const Numbered& s)
+{
+	std::cout << s.mysn << std::endl;
+}
+int Numbered::num = 0;
+int main()
+{
+	Numbered a, b = a, c = b;
+	f(a);
+	f(b);
+	f(c);
+
+	return 0;
+}
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+static int num = 0;
+class Employee{
+	string name;
+	int sn;
+	Employee()
+	{
+		name = " ";
+		sn = ++num;
+	}
+	Employee(string name)
+	{
+		sn = ++num;
+		this.name = name;
+	}
+
+	Employee(const Employee& s)
+	{
+		sn = ++num;
+		name = s.name;
+	}
+};