Library_linkedlist.cpp

library_linkedlist.cpp

@@ -0,0 +1,157 @@
+
+#include <iostream>
+using namespace std;
+class node {
+	friend class list;
+	string author ;
+	string name;
+	int no;
+	node*next;
+public:
+	node(string na, string a, int n) {
+		author = a;
+		name = na;
+		no = n;
+		next = NULL;
+	}
+};
+class list {
+private:
+	node*head;
+public:
+	list() {
+		head = NULL;
+	}
+	void add() {
+		int n = 0;
+		string na,a;
+		char choice = ' ';
+		do {
+			cout << "enter details" << endl;
+			cout << "enter name of the book " << endl;
+			cin >> na;
+			cout<<"enter the name of the author"<<endl;
+			cin>>a;
+			cout << "enter isbn number" << endl;
+			cin >> n;
+			node*temp;
+			node*ptr;
+			temp = new node(na, a, n);
+			if (head == NULL) {
+				head = temp;
+			} else {
+				ptr = head;
+				while (ptr->next != NULL) {
+					ptr = ptr->next;
+				}
+				ptr->next = temp;
+			}
+			cout << "do u want to add more?" << endl;
+			cout << "press y to continue." << endl;
+			cout << "press n to stop ." << endl;
+			cin >> choice;
+		} while (choice != 'n');
+	}
+
+	void display() {
+		node *ptr;
+		for (ptr = head; ptr != NULL; ptr = ptr->next) {
+			cout << "the name of the book is :" << ptr->name << endl;
+			cout << "the  author name is :" << ptr->author << endl;
+			cout << "the isbn no is :" << ptr->no << endl;
+			cout << endl;
+		}
+	}
+
+
+
+	void insert(int pos) {
+
+		string na,a;
+		int n;
+		int i = 0;
+		node*ptr;
+		node*temp;
+		temp = new node(na, a, n);
+		cout << "enter the new details to be inserted  " << endl;
+		cout << "enter name " << endl;
+		cin >> na;
+		cout << "enter author name " << endl;
+		cin >> a;
+		cout << "enter isbn no " << endl;
+		cin >> n;
+		temp = new node(na, a, n);
+		if (head == NULL) {
+			head = temp;
+		} else if (pos == 1) {
+			temp->next = head;
+			head = temp;
+		} else {
+			for (i = 0, ptr = head; i < pos - 1, ptr != NULL;
+					i++, ptr = ptr->next) {
+				temp->next = ptr->next;
+				ptr->next = temp;
+			}
+		}
+	}
+	void search() {
+
+		cout << "enter the book name to be searched" << endl;
+	    string m;
+
+		cin >> m;
+		if (head == NULL) {
+			cout << "the list is empty" << endl;
+		} else {
+
+			node * ptr;
+			for (ptr = head; ptr != NULL; ptr = ptr->next) {
+				if (ptr->name==m) {
+
+					cout << "the name is :" << ptr->name << endl;
+					cout << "the author name is :" << ptr->author<< endl;
+					cout << "the isbn no is :" << ptr->no<< endl;
+
+
+				}
+			}
+		}
+
+
+	}
+
+
+};
+int main() {
+	int p;
+	list l;
+	int choice;
+	l.add();
+	do {
+		cout << "enter your choice ";
+		cout << "enter 1 for display" << endl;
+		cout << "enter 2 for search the book" << endl;
+		cout << "enter 3 for insert" << endl;
+
+		cout << "enter 0 for exit" << endl;
+		cin >> choice;
+		switch (choice) {
+		case 1:
+			l.display();
+			break;
+
+
+		case 2:
+			l.search();
+			break;
+		case 3:
+			cout << "enter position" << endl;
+			cin >> p;
+			l.insert(p);
+			l.display();
+			break;
+
+		}
+	} while (choice != 0);
+}
+