Adding print elements in cpp

Author: aaditya-ag

Linked Lists/Print the Elements of a Linked List/solution.cpp

@@ -0,0 +1,87 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+class SinglyLinkedListNode {
+ public:
+ int data;
+ SinglyLinkedListNode *next;
+
+ SinglyLinkedListNode(int node_data) {
+ this->data = node_data;
+ this->next = nullptr;
+ }
+};
+
+class SinglyLinkedList {
+ public:
+ SinglyLinkedListNode *head;
+ SinglyLinkedListNode *tail;
+
+ SinglyLinkedList() {
+ this->head = nullptr;
+ this->tail = nullptr;
+ }
+
+ void insert_node(int node_data) {
+ SinglyLinkedListNode* node = new SinglyLinkedListNode(node_data);
+
+ if (!this->head) {
+ this->head = node;
+ } else {
+ this->tail->next = node;
+ }
+
+ this->tail = node;
+ }
+};
+
+
+void free_singly_linked_list(SinglyLinkedListNode* node) {
+ while (node) {
+ SinglyLinkedListNode* temp = node;
+ node = node->next;
+
+ free(temp);
+ }
+}
+
+// Complete the printLinkedList function below.
+
+/*
+ * For your reference:
+ *
+ * SinglyLinkedListNode {
+ * int data;
+ * SinglyLinkedListNode* next;
+ * };
+ *
+ */
+void printLinkedList(SinglyLinkedListNode* head) {
+ while(head != NULL){
+ cout<<head->data<<endl;
+ head = head->next;
+ }
+
+}
+
+int main()
+{
+ SinglyLinkedList* llist = new SinglyLinkedList();
+
+ int llist_count;
+ cin >> llist_count;
+ cin.ignore(numeric_limits<streamsize>::max(), '\n');
+
+ for (int i = 0; i < llist_count; i++) {
+ int llist_item;
+ cin >> llist_item;
+ cin.ignore(numeric_limits<streamsize>::max(), '\n');
+
+ llist->insert_node(llist_item);
+ }
+
+ printLinkedList(llist->head);
+
+ return 0;
+}

README.md

@@ -17,7 +17,7 @@ A collection of solutions for HackerRank data structures and algorithm problems
 | | [Sparse Arrays](https://www.hackerrank.com/challenges/sparse-arrays/problem) | Medium | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Arrays/sparse_arrays.cpp) | | |
 | | [Array Manipulation](https://www.hackerrank.com/challenges/crush/problem) | Hard | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Arrays/array_manipulation.cpp) | | |
 | Linked Lists | | | | | |
-| | [Print the Elements of a Linked List](https://www.hackerrank.com/challenges/print-the-elements-of-a-linked-list/problem) | Easy |   | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/print_elements.java) | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/Print_the_Elements.py) |
+| | [Print the Elements of a Linked List](https://www.hackerrank.com/challenges/print-the-elements-of-a-linked-list/problem) | Easy | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/solution.cpp) | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/print_elements.java) | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/Print_the_Elements.py) |
 | | [Insert a node at the head of a linked list](https://www.hackerrank.com/challenges/insert-a-node-at-the-head-of-a-linked-list/problem) | Easy | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/Insert%20a%20node%20at%20the%20head%20of%20a%20linked%20list.cpp) | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/Insert%20a%20node%20at%20the%20head%20of%20a%20linked%20list/solution.java)| |
 | | [Insert a Node at the Tail of a Linked List](https://www.hackerrank.com/challenges/insert-a-node-at-the-tail-of-a-linked-list/problem) | Easy | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/Insert%20a%20Node%20at%20the%20Tail%20of%20a%20Linked%20List.cpp) | [View](https://github.com/adityabisoi/ds-algo-solutions/tree/main/Linked%20Lists/Insert%20a%20Node%20at%20the%20Tail%20of%20a%20Linked%20List/solution.java)| |
 | | [Insert a node at a specific position in a linked list](https://www.hackerrank.com/challenges/insert-a-node-at-a-specific-position-in-a-linked-list/problem) | Easy | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked_Lists/Insert%20a%20node%20at%20a%20specific%20position%20in%20a%20linked%20list.cpp) | [View](https://github.com/adityabisoi/ds-algo-solutions/blob/main/Linked%20Lists/Insert%20a%20node%20at%20a%20specific%20position%20in%20a%20linked%20list/solution.java)| |