OOP HomeWork

oop_hw3/hw5/vector.h

@@ -0,0 +1,81 @@
+#ifndef VECTOR_H
+#define VECTOR_H
+#include <iostream>
+
+template<class T>
+class Vector {
+private:
+	T** p;
+	int hang;
+	int lie;
+public:
+	Vector();
+	Vector(int m, int n);
+	Vector& operator=(const Vector& x);
+	T* operator[](int x);
+	void AlterElement(int m, int n, T x);
+	~Vector();
+};
+
+template<class T>
+Vector<T>::Vector() {
+	p = nullptr;
+	hang = 0;
+	lie = 0;
+}
+
+template<class T>
+Vector<T>::Vector(int m, int n) {
+	hang = m;
+	lie = n;
+	p = new T * [m];
+	for (int i = 0;i < m;i++) {
+		p[i] = new T[n];
+	}
+}
+
+template<class T>
+Vector<T>::~Vector() {
+	if (p) {
+		for (int i = 0; i < hang; i++) {
+			delete[] p[i];
+		}
+		delete[] p;
+	}
+}
+
+template<class T>
+Vector<T>& Vector<T>::operator=(const Vector& x) {
+	if (p) {
+		for (int i = 0; i < hang; i++) {
+			delete[] p[i];
+		}
+		delete[] p;
+	}
+	hang = x.hang;
+	lie = x.lie;
+	p = new T * [hang];
+	for (int i = 0; i < hang; i++) {
+		p[i] = new T[lie];
+		for (int j = 0; j < lie; j++) {
+			p[i][j] = x.p[i][j];
+		}
+	}
+	return *this;
+}
+
+template<class T>
+T* Vector<T>::operator[](int x)
+{
+	return p[x];
+}
+
+template<class T>
+inline void Vector<T>::AlterElement(int m, int n, T x)
+{
+	p[m][n] = x;
+}
+
+
+
+#endif // !VECTOR_H