consolidate all repos to one for archive

semester_2/programiranje_2/primeri/Example13/main.cpp

@@ -0,0 +1,64 @@
+#include <iostream>
+/*
+struct Node {
+    int el;
+    Node* ptrNext;
+};
+
+//void insertAtBeginning(Node* start, int n) {
+void insertAtBeginning(Node*& start, int n) {
+    Node* ptrTemp = new Node;
+    ptrTemp->el = n;
+    ptrTemp->ptrNext = start;
+    start=ptrTemp;
+}
+
+//void print(Node*& start) {
+void print(Node* start) {
+    while (start) {
+        std::cout << start-> el << " ";
+        start=start->ptrNext;
+    }
+    std::cout << std::endl;
+}
+*/
+/*
+void print(Node*& start) {
+//void print(Node* start) {
+    Node* temp = start;
+    while (temp) {
+        std::cout << temp-> el << " ";
+        temp=temp->ptrNext;
+    }
+    std::cout << std::endl;
+}
+*/
+
+int main() {
+    int a = 10;
+    int b = 20;
+    int* p_a = &a;
+    int** p_p_a = &p_a;
+    std::cout << "a " << &a << " " << a << std::endl;
+    std::cout << "b " << &b << " " << b << std::endl;
+    std::cout << "p_a " << &p_a << " " << p_a << " " << *p_a << std::endl;
+    std::cout << "p_p_a " << &p_p_a << " " << p_p_a << " " << *p_p_a  << " " << **p_p_a << std::endl;
+    std::cout << "------------------------" << std::endl;
+    /*
+    //The nullptr keyword represents a null pointer value.
+    Node* ptrStart = nullptr;
+    insertAtBeginning(ptrStart, 3);
+    insertAtBeginning(ptrStart, 2);
+    insertAtBeginning(ptrStart, 1);
+    print(ptrStart);
+    print(ptrStart);
+
+    while (ptrStart) {
+        Node* ptrTemp = ptrStart->ptrNext;
+        delete ptrStart;
+        ptrStart=ptrTemp;
+    }
+    */
+    return 0;
+}
+