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semester_2/programiranje_2/primeri/Example28/List.h

@@ -0,0 +1,33 @@
+#ifndef EXAMPLE28_LIST_H
+#define EXAMPLE28_LIST_H
+#include "Node.h"
+
+class List {
+private:
+    Node* ptrStart;
+public:
+    List() : ptrStart(nullptr) {
+    }
+    ~List() {
+    }
+    void insertAtBeginning(int el) {
+        Node* temp= new Node();
+        temp->set(el, ptrStart);
+        ptrStart=temp;
+    }
+    int deleteAtBeginning() {
+        Node* temp = ptrStart;
+        ptrStart=ptrStart->getNext();
+        return temp->getData();
+    }
+    void print() {
+        Node* temp = ptrStart;
+        while (temp != nullptr) {
+            std::cout << temp->getData() << " ";
+            temp=temp->getNext();
+        }
+        std::cout << std::endl;
+    }
+};
+
+#endif //EXAMPLE28_LIST_H

semester_2/programiranje_2/primeri/Example28/Node.h

@@ -0,0 +1,25 @@
+#ifndef EXAMPLE28_NODE_H
+#define EXAMPLE28_NODE_H
+
+class Node {
+private:
+    int data; 
+    Node* ptrNext;
+public:
+    Node() : data(0), ptrNext(nullptr) {
+    }
+    ~Node() {
+    }
+    int getData() {
+        return data;
+    }
+    Node* getNext() {
+        return ptrNext;
+    }
+    void set(int d, Node* n) {
+        data=d;
+        ptrNext=n;
+    }
+};
+
+#endif //EXAMPLE28_NODE_H

semester_2/programiranje_2/primeri/Example28/Stack.h

@@ -0,0 +1,18 @@
+
+#ifndef EXAMPLE28_STACK_H
+#define EXAMPLE28_STACK_H
+#include "List.h"
+
+class Stack : private List {
+public:
+    Stack() : List() {
+    }
+    void push(int x) {
+        insertAtBeginning(x);
+    }
+    int pop() {
+        return deleteAtBeginning();
+    }
+};
+
+#endif //EXAMPLE28_STACK_H

semester_2/programiranje_2/primeri/Example28/main.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+#include "List.h"
+#include "Stack.h"
+
+int main() {
+    List l;
+    l.insertAtBeginning(5);
+    l.insertAtBeginning(4);
+    l.print();
+    l.insertAtBeginning(3);
+    l.print();
+    l.deleteAtBeginning();
+    l.print();
+    std::cout << "-------------------" << std::endl;
+/*
+    Stack myStack;
+	myStack.push(5);
+	myStack.push(4);
+	std::cout << myStack.pop() << std::endl;
+	std::cout << myStack.pop() << std::endl;
+
+	//List* ptrList = new Stack(); //error
+*/
+    return 0;
+}