A heap, or a priority queue, is a data structure that efficiently stores elements in a particular order. To do insetion in heap, we would add the new element to the end of the heap. If the position of ...

Two Pointers is an effective technique used for searching pairs in a sorted array. The two pointers technique is a technique used to iterate through a data set, typically an array or a list, in a ...

In the context of LeetCode, especially with stack and queue problems, iterative solutions are often preferable. Recursion can obscure the underlying logic and make it harder to optimize. If you find ...