Radix Sort is a sorting algorithm that works by sorting numbers based on their digits, starting from the least significant digit (rightmost) to the most significant digit (leftmost).Let’s say we hav...
A stack is a type of data structure where the last item added is the first one to be removed. This is called Last In, First Out (LIFO).Think of it like a stack of books — you add books on top, and w...
Struggling with DSA questions? Many of them follow common patterns. Mastering these helps you quickly recognize and apply the right strategy during interviews or contests. Here's a comprehens...