If you like to read books, then you can also take a look at Cracking the Coding Interviews, which contains 189 Programming Questions and Solutions. I have shared a lot of problems in this blog over the years. Also, a rich set of Java API allows the programmer to skip this kind of basic programming technique.īy the way, if you are preparing for programming job interviews and looking for more coding or algorithm-based questions like an array, string, or other data structures, you can always search this blog. What makes this question interesting is that Java developers are not that great with the data structure as compared to a C++ developer which is evident because of the fundamental difference between these two languages.Ĭ++ is more of a system programming language, while Java is more on application programming. This coding problem was asked to me on my first interview with a multinational Investment bankAfter that, this question has been asked to me on several occasions in other Programming Job Interviews as well.
Since it's a singly linked list you can only move in one direction from the head to tail. In order to calculate the length, you need to count all nodes in the linked list. This is not about the LinkedList class of Java API but the linked list data structure, which is made of nodes that contain both data and the address of the next node. * Function to pop element from top of stack.Hello guys, here is one of the classical programming questions how do you find the length of a linked list using recursion and without recursion. Next element after new node should be current top element Struct stack * newNode = (struct stack *) malloc(sizeof(struct stack)) Printf("Stack Overflow, can't add more element to stack.\n") * Functiont to push a new element in stack. Printf("Invalid choice, please try again.\n") Printf("Enter data to push into stack: ") Printf(" STACK IMPLEMENTATION PROGRAM \n") * Function declaration to perform push and pop on stack */ #define CAPACITY 10000 // Stack maximum capacity * Stack implementation using linked list in C language. Program to implement stack data structure using linked list /** It will always contains the current size of stack. Note: You can directly find size of stack using the size variable. Decrement stack size by one and return data.Delete the top most element from memory using free(topNode).Make second element of stack as top element i.e.Step by step descriptive logic to pop elements from stack. Removal of top most element from stack is known as pop operation in stack.
SINGLY LINKED LIST HOW TO
How to pop elements from stack using linked list Finally make sure the top of stack should always be the new node i.e.Say newNode->next = top and increment size count by 1.
Link new node with the current stack top most element.Assign data to the newly created node using newNode->data = data.struct stack * newNode = (struct stack *) malloc(sizeof(struct stack)). Create a new stack node using dynamic memory allocation i.e.if (size >= CAPACITY), then print “Stack overflow” error message. Step by step descriptive logic to push elements in stack. Insertion of new element to stack is known as push operation in stack. Int size = 0 How to push elements in stack using linked list Following are the basic operations performed on stack.īefore we perform any operation on stack, we must define its node structure. In this post I will explain how to perform basic operation on stack using linked list.
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