Introduction An array is a contiguous block of memory of the same type of elements where the size is equal to the number of elements in that array…

What is a Heap? A heap is a complete binary tree structure where each element satisfies a heap property. In a complete binary tree, all levels are…

Why do we study the design, code, and analysis of the sorting algorithms? Here are some critical reasons: We can learn several problem-solving…

Why should we learn data structures? The code of a well-designed algorithm using data structure is just like a structure of a good house. For…

Difficulty: Easy, Asked-in: Facebook, Amazon Key takeaway: An excellent problem to learn problem-solving using both recursive and iterative tree…

Difficulty: Easy, Asked-in: Microsoft, Amazon, Goldman Sachs Key takeaway: A good problem to learn problem-solving using a hash table. Let’s…