Create StackBasedOnArray.cpp

c-cpp/08_stack/StackBasedOnArray/StackBasedOnArray.cpp

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+/**
+ * 1）顺序栈的操作：入栈和出栈；
+ * 2）采用模板的方法实现存储任意类型的数据
+ * 3）采用数组的栈，支持动态扩容，每次扩容1.5 倍，初始栈的大小是 10 。
+ * 
+ * Author：caozx
+ * time ；2018年10月11日
+ */
+
+#include <iostream>
+#include "StackBasedOnArray.h"
+using namespace std;
+
+//构造函数，创建栈
+//类模板成员函数的写法  template<class T> 返回值类型 类名<T>::成员函数名(参数列表){}
+template<class T> ArrayStack<T>::ArrayStack()   
+{   
+    this -> count = 10;
+    this -> flag = 0;
+    this -> array = new T[this -> count];
+    if (! this -> array){
+        cout << "array malloc memory failure" << endl;
+    }
+}
+
+
+//有参构造函数，创建栈
+template<class T> ArrayStack<T>::ArrayStack(int count)   
+{   
+    this -> count = count;
+    this -> flag = 0;
+    this -> array = new T[this -> count];
+    if (! this -> array){
+        cout << "array malloc memory failure" << endl;
+    }
+}
+
+//析构函数，销毁栈
+template <class T> ArrayStack<T>::~ArrayStack(){
+    this -> count = 0;
+    this -> flag = 0;
+    if(this -> array){
+        delete [] this -> array;
+        this -> array = NULL;
+    }
+    
+} 
+
+// 入栈
+template<class T> void ArrayStack<T>::push(T data){
+    if(this -> flag == this -> count){
+        cout << "The stack is full , so need to enlarge 1.5x! "<< endl;
+        this -> count = int (1.5 * this -> count);
+        T * temp = new T [this -> count];
+        for(int i = 0; i < this -> flag ; i++){
+            temp[i] = this -> array[i];
+            //cout << temp[i] <<endl;
+        }
+        delete [] this -> array;       //释放原来的空间
+        temp[this -> flag] = data;
+        this -> flag ++;
+        this -> array = temp;
+    }
+    else{
+        this -> array [this -> flag] = data;
+        this -> flag ++ ;
+    }
+}
+
+//出栈，并删除栈顶元素
+template<class T> T ArrayStack<T>::pop(){
+    this -> flag --;
+    T temp = this -> array[this -> flag];
+    return temp;
+}
+
+//出栈，不删除栈顶元素
+template<class T> T ArrayStack<T>::peek(){
+    T temp = this -> array[this -> flag - 1];
+    return temp;
+}
+
+template<class T> int ArrayStack<T>::stackSize(){
+    return this -> flag;
+}
+
+template<class T> int ArrayStack<T>::stackMaxSize(){
+    return this -> count;
+}
+
+int main(int argc, char const *argv[])
+{
+    cout << " === test begin ===" << endl;
+    ArrayStack <int> arrstack(12);
+    arrstack.push(10);
+    arrstack.push(20);
+    arrstack.push(30);
+    arrstack.push(40);
+    arrstack.push(50);
+    arrstack.push(60);
+    arrstack.push(70);
+    arrstack.push(80);
+    arrstack.push(90);
+    arrstack.push(100);
+    arrstack.push(110);
+    arrstack.push(120);
+    arrstack.push(130);
+    arrstack.push(140);
+    arrstack.push(150);
+
+    cout << "peek , not delete " << arrstack.peek() << endl;
+    cout << "pop , delete " << arrstack.pop()<<endl;
+    
+    arrstack.push(210);
+    arrstack.push(220);
+
+    cout << "peek , not delete " << arrstack.peek() << endl;
+    cout << "pop , delete " << arrstack.pop()<<endl;    
+   
+    system("pause");
+    return 0;
+}