Can you please confirm the meaning of the concept 'heapify', the source I am learning from says that heapify is building a heap from an array (from scratch) Thi
I'm trying to solve this problem: Given an array of positive integers, and an integer Y, you are allowed to replace at most Y array-elements with lesser val
guys please its due asapp Transform the following infix expression to postfix form (using stacks). (A + 2) * (B - C + D * E) + F
I have the following data structure: site_subnets: control: { network: "100.99.97.0/24", mtu: "1500", vm_start_offset: 0, dhcp_from_ip: "30", dhcp_to_ip: "5
I have the following problem. In widgetFilters array (length===3) i want to show the numbers of selected items in the header of the Filter. const [selectedFil
Hi I have an algorithm that uses binary tree to heapify and then sort the list i need to convert this sort algorithm to change into d-heap or d-ary heap or k-ar
Why do we need stacks when we already have so many data structures that can also handle managing data in reverse directions [linked list & vectors]? What's
I'm trying to get from a function the absolute difference of a nested list. I have a fixed matrix, and I would like to get the result when is not fixed. At the
I have data in python with nested lists, a part of which looks like: data = [['214', '205', '0', '14', '710', '1813494849', '0'], ['214', '204
I started learning DSA ,while writing code for stack DS in c++ , I came across this error. So, while I was trying fixing it , I get to know that when I am using
We know AVL trees are better for searching and red-black trees are better for insertion and deletion because they require lesser rotations, but what is the need
I´ve been trying to read several csv files (arround 20 MB) using openCSV, but so far it has been slow. Im trying to read 4 csv files which I´m loadi
I am currently studying about Algorithms & Data Structures and while I was reading over the Book of Algorithms 4th edition, I discovered the Bag data-struct
I was working on a problem where you have to square the numbers in a sorted array on leetcode. Here is the original problem Given an array of integers A sor
In an article about linked list, it is said that accessing a random element is not allowed and to access a certain node we need to traverse it from the head nod
I came across this problem in a practice interview. I don't want a direct answer, just some help with the intuition of the problem, both your brute force thinki
A disjoint set with only path compression implemented is like this: // In cpp. int Find(int x) { return f[x] == x ? x : f[x] = Find(f[x]); } int Union(int a, i
I recently had my Amazon interview for SDE. I was asked to design a stack which does push, pop and min in O(1). I got the logic and implemented the push of the
An undirected graph having 'n' number of edges, then find out number of vertices that graph have?
Given a undirected graph that it has ordinary edges and specific edges, our goal is to find the sum of the shortest path's weight between two vertices(start ve
elasticsearch-dsl-py