Insertion in Linked List

Author: accodes21

linkedList.cpp

@@ -0,0 +1,55 @@
+#include <iostream>
+using namespace std;
+
+class Node{
+    public:
+    int data;
+    Node* next;
+
+    Node(int data){
+        this -> data = data;
+        this -> next = NULL;
+    }
+};
+
+void insertAtHead(Node* &head, int d){
+    //new node
+    Node* temp = new Node(d);
+    temp -> next = head;
+    head = temp; 
+}
+
+void insertAtTail(Node* &tail, int d){
+    Node* temp = new Node(d);
+    tail -> next = temp;
+    tail = temp;
+}
+
+void print(Node* &head){
+    if(head == NULL){
+        cout << "List is empty" << endl;
+        return ;
+    }
+    Node* temp = head;
+
+    while(temp != NULL){
+        cout << temp ->data << " ";
+        temp = temp ->next;
+    }
+    cout << endl;
+}
+
+int main(){
+    //creating node
+    Node* node1 = new Node(10);
+    //cout << node1 -> data << endl;
+    Node* head = node1; 
+    Node* tail = node1;
+
+    insertAtHead(head, 12);
+    insertAtTail(tail, 20);
+
+    print(head);
+
+    return 0;
+}