my first commit

README.md

@@ -1,3 +1,5 @@
 # Data Structures and Algorithms in C
 
-## Won't count towards prize
+# Won't count towards prize
+# May use of C and C++ language
+

link list

@@ -0,0 +1,68 @@
+// Simple C++ program to find n'th node from end 
+#include <bits/stdc++.h> 
+using namespace std; 
+
+/* Link list node */
+struct Node { 
+    int data; 
+    struct Node* next; 
+}; 
+
+/* Function to get the nth node from the last of a linked list*/
+void printNthFromLast(struct Node* head, int n) 
+{ 
+    int len = 0, i; 
+    struct Node* temp = head; 
+
+    // count the number of nodes in Linked List 
+    while (temp != NULL) { 
+        temp = temp->next; 
+        len++; 
+    } 
+
+    // check if value of n is not 
+    // more than length of the linked list 
+    if (len < n) 
+        return; 
+
+    temp = head; 
+
+    // get the (len-n+1)th node from the beginning 
+    for (i = 1; i < len - n + 1; i++) 
+        temp = temp->next; 
+
+    cout << temp->data; 
+
+    return; 
+} 
+
+void push(struct Node** head_ref, int new_data) 
+{ 
+    /* allocate node */
+    struct Node* new_node = new Node(); 
+
+    /* put in the data */
+    new_node->data = new_data; 
+
+    /* link the old list off the new node */
+    new_node->next = (*head_ref); 
+
+    /* move the head to point to the new node */
+    (*head_ref) = new_node; 
+} 
+
+// Driver Code 
+int main() 
+{ 
+    /* Start with the empty list */
+    struct Node* head = NULL; 
+
+    // create linked 35->15->4->20 
+    push(&head, 20); 
+    push(&head, 4); 
+    push(&head, 15); 
+    push(&head, 35); 
+
+    printNthFromLast(head, 4); 
+    return 0; 
+}