labs 1-6: init

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

lab6/16.cpp

@@ -0,0 +1,82 @@
+#include <iostream>
+using namespace std;
+
+class Book {
+private:
+  char name[50];
+  uint id;
+
+public:
+  void getData();
+  void putData();
+};
+
+void Book::getData() {
+  cout << "Name of book: ";
+  cin >> name;
+  cout << "ID of book: ";
+  cin >> id;
+}
+
+void Book::putData() {
+  cout << "Name of book: " << name << endl << "ID of book: " << id << endl;
+}
+
+class Authorities : public Book {
+private:
+  char author[50];
+  char publisher[50];
+
+public:
+  void getData();
+  void putData();
+};
+
+void Authorities::getData() {
+  cout << "Name of author: ";
+  cin >> author;
+  cout << "Name of publisher: ";
+  cin >> publisher;
+}
+
+void Authorities::putData() {
+  cout << "Name of author: " << author << endl
+       << "Name of publisher: " << publisher << endl;
+}
+
+class Publication : public Authorities {
+private:
+  uint pageCount;
+  uint year;
+
+public:
+  void getData();
+  void putData();
+};
+
+void Publication::getData() {
+  cout << "Number of pages: ";
+  cin >> pageCount;
+  cout << "Year (YYYY): ";
+  cin >> year;
+}
+
+void Publication::putData() {
+  cout << "Number of pages: " << pageCount << endl << "Year: " << year << endl;
+}
+
+int main() {
+  Publication p[3];
+
+  for (auto &x: p) {
+    x.Book::getData();
+    x.Authorities::getData();
+    x.getData();
+  }
+
+  for (auto &x: p) {
+    x.Book::putData();
+    x.Authorities::putData();
+    x.putData();
+  }
+}