Interview Questions

A data structure is a way of organizing and storing data to perform operations efficiently.
An array is a contiguous memory block, while a linked list consists of nodes connected by pointers.
Time complexity measures the amount of time an algorithm takes to complete as a function of the input size.
A stack follows Last In First Out (LIFO) order, while a queue follows First In First Out (FIFO) order.
An algorithm is a step-by-step procedure or set of rules for solving a problem or completing a task.
A hash table is a data structure that maps keys to values, providing fast data retrieval.
Binary Search is a search algorithm that works on sorted arrays by repeatedly dividing the search interval in half.
A tree is a hierarchical data structure with a root and branches, while a graph is a collection of nodes and edges.
Dynamic Programming is a technique to solve problems by breaking them down into smaller overlapping subproblems.
A balanced tree is a tree where the height of the left and right subtrees of any node differs by at most one.

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