## Priority Queue using Doubly Linked List

Problem Statement: Given nodes with their priority, we have to implement a priority queue using a doubly linked list. What is a Priority Queue? Priority queues are abstract data structures...

## 10 Things to keep in mind while making a software developer resume

Are you starting on a job hunt as a software developer? Or do you want to stand out among your college mates in campus interviews? No matter which is the...

## 20 most common interview questions and answers for freshers

1. What are the SDLC models present? Ans. Waterfall Model, Spiral Model, Big-bag model, Iterative Model, and V- Model are some of the famous SDLC models. 2. What are the...

## Cisco interview questions for freshers

Thousands of job seekers apply every year to Cisco where their skills are tested and thoroughly. Here we will be discussing some of the important questions that were commonly asked...

## Find a Number

Concepts Used Binary Search Difficulty Level Easy Problem Statement : Finding a number has always been an interesting puzzle! Well in this problem we are given a sorted array of...

## Play With Brackets

Concepts Used Stack Difficulty Level Easy. Problem Statement : Rashid is given a set of open and closed brackets of each type such as [ , ], ( , )...

## Parallelograming

CONCEPTS USED: Computational Geometry DIFFICULTY LEVEL: Medium. PROBLEM STATEMENT(SIMPLIFIED): Alex likes parallelograms very much. So one day his sister Alice gave him n numbers and asked him to calculate the...

## Nearest Cell(paid)

CONCEPTS USED: Recursion DIFFICULTY LEVEL: Easy PROBLEM STATEMENT (SIMPLIFIED): Rahul is stuck in a maze world, where the maze is a binary matrix of size NXM (each cell has value...

## Beautiful Bracket String

Concepts Used: Stack Difficulty Level: Medium. Problem Statement : Find the minimum number of replacements required to make the given string of braces balanced. See original problem statement here Example:...

## Files

Concepts Used Basic operations of stack. Difficulty Level: Hard. Problem Statement : Nikhil now got a job. His task is to evaluate files. His boss comes and puts a file...

## Kth Smallest Number

Concepts Used Heap Difficulty Level Easy Problem Statement : Given an array arr[ ] and a number K where K is smaller than the size of the array, the task...

## Aman and Shopping

Concepts Used Sorting Difficulty Level Easy Problem Statement (Simplified): For a given array A, find the total number of elements you can pick in given capacity X. You can't pick...
Rambo Numbers Concepts Used Mathematics Difficulty Level Hard Problem Statement (Simplified): For given three numbers r,p,q. We have to find the total number of values divisible by r in a...