Write a program to sort a stack using another stack.Write a program to sort a stack using recursion.Write a program to reverse a string using stack.Write a program to convert a queue to a stack.How would you implement a stack using priority queue or heap?.How would you efficiently implement ‘k’ stacks in a single array?.Compare array-based implementation and linked list stack implementation.Stacks Interview Questions What is a Stack?Ī stack is a Last In First Out (LIFO) data structure, in which the last element is accessed first. If so, find the starting node of the cycle. Write a program to check if a given linked list contains a cycle.Write a program to find the ‘nth’ node from the end of a linked list.Write a function to reverse the nodes of a linked list.Write a function to remove the duplicate elements from a sorted linked list.Write a program to delete the middle element of a linked list.Write a function to delete a linked list.How do you find the middle element of a singly linked list in one pass?. Write a program to check if a singly linked list is a palindrome.What is a Doubly Linked List (DLL)? What are its applications?.How are linked lists more efficient than arrays?.Linked Lists Interview Questions What is a Linked List?Ī linked list is a sequential data structure made up of elements linked to each other in linear order. Write a program to cyclically rotate an array by one.Find the number of ways you can make change for n cents for a given value ‘n’ if we have an infinite supply of each of S = is missing, and one number a2 occurs twice in the array.Find whether a given array contains a subarray with sum equal to zero.Find common elements in three-sorted arrays.An array can be:Īrrays are indexed, and random access is possible. There are 8 commonly-used data structures that every programmer must know:Īrray Interview Questions What is an Array?Īn array is a fixed-size structure that can hold items of the same data type. How to Nail Your Next Data Structures Interview.Data Structures Interview Questions FAQs.Want to nail your next tech interview? Sign up for our FREE Webinar. The highest ever offer received by an IK alum is a whopping $933,000 !Īt IK, you get the unique opportunity to learn from expert instructors who are hiring managers and tech leads at Google, Facebook, Apple, and other top Silicon Valley tech companies. Since 2014, Interview Kickstart alums have been landing lucrative offers from FAANG and Tier-1 tech companies, with an average salary hike of 49%. Having trained over 6,000 software engineers, we know what it takes to crack the toughest tech interviews. To help with your interview prep, check out our technical interview checklist, interview questions page, and salary negotiation e-book to get interview-ready! Also, read the Best Way to Learn Data Structures and Algorithms to understand how to prepare for data-structure-related questions. In this article, we look at some interview questions in data structures. Interviewers check your problem-solving skills in various data structures like arrays, trees, graphs, etc. Data Structures are an important topic to prepare for interviews at FAANG and other Tier-1 tech companies.
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