Merge pull request #1 from gautamdewasi/master

creating documentation

Author: pranavbharadwaj007

LinkedList/Create_list.cpp

@@ -1,29 +1,44 @@
+//.......................................This program is used to define Link least using structure.........................................................
 #include<iostream>
 using namespace std;
+
+//.......................node is user define datatype , which contain two elements in it....................................
+// 1) integer data (its own data)  
+// 2) node type pointer, used to store address of next node
 struct node{
     int data;
     node *next;
 };
-void printList(node *n){
-while(n!=NULL){
+
+// printList() function is used to print data stores in all nodes
+void printList(node *n)
+{
+    while(n!=NULL){
     cout<<n->data<<endl;
     n=n->next;
 
 }
 }
 
 int main(){
+    
+    // defining three pointers of type node, use to point elements of node
     node *head=new node();
     node *second=new node();
     node *third=new node();
+    
     head->data=5;
+    // next pointer of head node stores addresscof second node 
     head->next=second;
 
     second->data=9;
+    // next pointer of second node stores address of third node
     second->next=third;
 
     third->data=7;
+    // next pointer of third node stores NULL value in it, because there is no next node
     third->next=NULL;
-
+    
+    // calling to print data of all nodes, using only head node
     printList(head);
-}
+}