All Easy Articles

Clone() Method in Java

Object cloning refers to the creation of an exact copy of an object. It creates a new instance of the class of the current object… Read More

Java

Linear Diophantine Equations

A Diophantine equation is a polynomial equation, usually in two or more unknowns, such that only the integral solutions are required. An Integral solution is… Read More

DSA

Mathematical

Qualcomm Interview Experience | Set 3 (Bluetooth Engineer)

1) Storage class 2) register qualifier 3) Const int *p and cont *int p; 4) Reverse a link list 5) Program to generate a packet(specifications… Read More

Qualcomm

DSA

Experiences

Interview Experiences

Linked List

OpenCV C++ Program for coin detection

The following is the explanation to the C++ code for coin detection in C++ using the tool OpenCV. Things to know: The code will only… Read More

Image-Processing

OpenCV

C++

Project

Puzzle 68 | Walking down the hill

I can walk 3 miles per hour uphill and 4 miles per hour on flat land and 6 miles per hour downhill. If I reached… Read More

Analytical Mathematical Puzzles

Puzzles

Microsoft Interview experience | Set 93 (4 Yrs Experienced for IDC)

1. Find square root of number without using sqrt function 2. Given a directed graph. Construct another graph from given graph such that if path… Read More

Microsoft

Experienced

Experiences

Interview Experiences

Decimal Equivalent of Binary Linked List

Given a singly linked list of 0s and 1s find its decimal equivalent. Input : 0->0->0->1->1->0->0->1->0 Output : 50 Input : 1->0->0 Output : 4… Read More

Juniper Networks

DSA

Linked List

Undecidability and Reducibility in TOC

Decidable Problems A problem is decidable if we can construct a Turing machine which will halt in finite amount of time for every input… Read More

GATE CS

Theory of Computation

Sum of Fibonacci Numbers

Given a number positive number n, find value of f0 + f1 + f2 + …. + fn where fi indicates i’th Fibonacci number. Remember… Read More

Fibonacci

DSA

Mathematical

Convert Min Heap to Max Heap

Given an array representation of min Heap, convert it to max Heap. Examples: Input: arr[] = {3, 5, 9, 6, 8, 20, 10, 12, 18,… Read More

DSA

Heap

Puzzle 66 | Walk to Office

Alex’s friend Grace drops her every day to work in the morning to her office, but cannot help to drop her back home in the… Read More

Analytical Mathematical Puzzles

Puzzles

Find the Largest number with given number of digits and sum of digits

Given an integer s and d, The task is to find the largest number with given digit sum s and the number of digits d.… Read More

DSA

Mathematical

Find smallest number with given number of digits and sum of digits

How to find the smallest number with given digit sum s and number of digits d? Examples : Input : s = 9, d = 2… Read More

DSA

Greedy

Adobe Interview Experience | Set 36 (Off-Campus Drive)

Online Written Test: Multiple choice questions on aptitude and programming 2 coding questions. F2F R1 1) Given a string of any length. print all possible… Read More

Experiences

Interview Experiences

Mealy and Moore Machines in TOC

Moore and Mealy Machines are Transducers that help in producing outputs based on the input of the current state or previous state. In this article… Read More

GATE CS

Theory of Computation

K’th Non-repeating Character

Given a string str of length n (1 <= n <= 106) and a number k, the task is to find the kth non-repeating character… Read More

DSA

Strings

All combinations of strings that can be used to dial a number

Given a number, print all possible combinations of strings that can be used to dial the given number in a phone with following specifications. In… Read More

DSA

Strings

C qsort() vs C++ sort()

Standard C library provides qsort function that can be used for sorting an array. Following is the prototype of qsort() function. // Sort an array… Read More

C/C++ Puzzles

Competitive Programming

DSA

Common Subtleties in Vector STLs

Prerequisite – Vector Basics Following are some important points that can save time on little things in an interview or an important coding contest. vector… Read More

cpp-algorithm-library

CPP-Library

cpp-vector

STL

C Language

C++

Find maximum length Snake sequence

Given a grid of numbers, find maximum length Snake sequence and print it. If multiple snake sequences exists with the maximum length, print any one… Read More

DSA

Dynamic Programming

Matrix