add sfml project

add containers

CPlusPlus/intro/main.cpp

@@ -1,6 +1,8 @@
 #include <iostream>
 #include <Windows.h>
 #include <memory>
+#include <vector>
+#include <list>
 #include "functions.h"
 #include "ClassA.h"
 #include "ClassB.h"
@@ -142,16 +144,47 @@ int main()
 	//int const* const icpc;
 	//const int const* const cicpc;
 
-	IComparable* pComparable = nullptr;
-	IComparable* pComparable2 = new ClassA();
-	pComparable = new ClassB();
-	(*pComparable).Compare(pComparable2);
-	pComparable->Compare(pComparable2); // identical to line above, but simpler
-	delete pComparable;
-	pComparable = nullptr;
-	//delete pComparable2;
-	//pComparable2 = nullptr;
-	safeDelete(pComparable2);
+	//IComparable* pComparable = nullptr;
+	//IComparable* pComparable2 = new ClassA();
+	//pComparable = new ClassB();
+	//(*pComparable).Compare(pComparable2);
+	//pComparable->Compare(pComparable2); // identical to line above, but simpler
+	//delete pComparable;
+	//pComparable = nullptr;
+	////delete pComparable2;
+	////pComparable2 = nullptr;
+	//safeDelete(pComparable2);
+
+	//vector<int> numbers = { 0, 10, 15, 4, 457 };
+	//cout << "numbers size/capacity: " << numbers.size() << " / " << numbers.capacity() << endl;
+	//numbers.push_back(999);
+	//cout << "numbers size/capacity: " << numbers.size() << " / " << numbers.capacity() << endl;
+	//numbers[3] = 65;
+
+	//list<int> numbers2 = { 0, 10, 15, 4, 457 };
+	//list<int>::iterator it = numbers2.begin();
+	//for (; it != numbers2.end(); it++)
+	//{
+	//	//*it *= 2;
+	//	cout << *it << " ";
+	//}
+	//cout << endl;
+	//numbers2.insert(--it, 999);
+
+	//for (it = numbers2.begin(); it != numbers2.end(); it++)
+	//{
+	//	//*it *= 2;
+	//	cout << *it << " ";
+	//}
+	//cout << endl;
+
+	const size_t count = 5;
+	int numbers[count]; // const size -> stack array
+
+	size_t count2 = 10;
+	int* numbers2 = new int[count2]; // variable size -> heap array
+	delete[] numbers2;
+	numbers2 = nullptr;
 
 	return 0;
 }