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Count pairs (p, q) such that p occurs in array at least q times and q occurs at least p times
Given an array arr[], the task is to count unordered pairs of positive integers (p, q) such that p occurs in the array at least… Read More
Competitive Programming
DSA
Automata Theory | Set 8
These questions for practice purpose for GATE CS Exam. Ques-1: Which one of the following language is Regular? (A) {wxwR | w,x ∈ (a+b)+} (B)… Read More
GATE
GATE CS
Theory of Computation
Random sampling in numpy | random_integers() function
numpy.random.random_integers() is one of the function for doing random sampling in numpy. It returns an array of specified shape and fills it with random integers… Read More
Python numpy-Random sampling
Python-numpy
Python
Goldman Sachs interview experience
********** Goldman Sachs Technical Interview (For Experienced Hire) ********** (Dec 2018 – Jan 2019) —————————————————————————— ——————————————————— **** HackerRank Test – 90 mins – 2 questions… Read More
Advanced Data Structure
Algorithms
Data Structures
DSA
Experienced
Experiences
Interview Experiences
Atlassian Interview Experience (Sydney – Mid career)
  Position they were looking for: The advertisement was for a Software Engineer with experience in Monolith to  Microservices decomposition experience and knowledge of AWS… Read More
Experiences
Interview Experiences
Debugging Python code using breakpoint() and pdb
While developing an application or exploring some features of a language, one might need to debug the code anytime. Therefore, having an idea of debugging… Read More
python
Python-Miscellaneous
Python
Check if the given Binary Tree have a Subtree with equal no of 1’s and 0’s
Given a Binary Tree having data at nodes as either 0’s or 1’s. The task is to find out whether there exists a subtree having… Read More
Binary Tree
Data Structures
DSA
Tree
8086 program to generate Fibonacci Sequence
Problem – Write a 8086 assembly level program to generate the Fibonacci Sequence. The length of the sequence is stored in the data segment with… Read More
Computer Organization and Architecture
microprocessor
system-programming
Computer Organization & Architecture
Sum of minimum element of all sub-sequences of a sorted array
Given a sorted array A of n integers. The task is to find the sum of the minimum of all possible subsequences of A.Note: Considering… Read More
maths-power
subsequence
Arrays
DSA
Mathematical
Double Knapsack | Dynamic Programming
Given an array ‘arr’ containing the weight of ‘N’ distinct items, and two knapsacks that can withstand ‘W1’ and ‘W2’ weights, the task is to… Read More
knapsack
Memoization
Algorithms
DSA
Dynamic Programming
Recursion
Multiple Inheritance in PHP
Multiple Inheritance is the property of the Object Oriented Programming languages in which child class or sub class can inherit the properties of the multiple… Read More
Picked
PHP
PHP Programs
Web Technologies
How to convert an array into object using stdClass() in PHP?
To convert an array into the object, stdClass() is used. The stdClass() is an empty class, which is used to cast other types to object.… Read More
Picked
PHP
PHP Programs
Web Technologies
How I cracked my Wipro Interview.
It was last week of September when Wipro came to our campus for recruitment drive. Before that at summer we also got training from Wipro… Read More
Experiences
Interview Experiences
Sum of Bitwise-OR of all Submatrices
Given a NxN matrix, the task is to find the sum of bit-wise OR of all of its rectangular sub-matrices.Examples:   Input : arr[][] = {{1,… Read More
Bitwise-OR
Arrays
Bit Magic
Combinatorial
DSA
Dynamic Programming
Mathematical
Matrix
Stack
Count numbers in range 1 to N which are divisible by X but not by Y
Given two positive integers X and Y, the task is to count the total numbers in range 1 to N which are divisible by X… Read More
GCD-LCM
Number Divisibility
DSA
Mathematical
Interesting fact about Scala
Scala(pronounced as “skah-lah”) is general-purpose programming language designed by Martin Odersky. The design of Scala started in 2001 at EPFL, Lausanne, Switzerland. Scala was released… Read More
Picked
Scala
How to download Google Images using Python
Python is a multi-purpose language and widely used for scripting. We can write Python scripts to automate day-to-day things. Let’s say we want to download… Read More
Marketing
python-utility
Python
Web Technologies
Count the Number of Binary Search Trees present in a Binary Tree
Given a binary tree, the task is to count the number of Binary Search Trees present in it. Examples:  Input:  1 / \ 2 3… Read More
Binary Tree
Marketing
Binary Search Tree
Data Structures
DSA
Tree
Longest Sub-array with maximum average value
Given an array arr[] of n integers. The task is to find the maximum length of the sub-array which has the maximum average value (average… Read More
array-traversal-question
Arrays
DSA
Mathematical
Minimum number of given powers of 2 required to represent a number
Given an integer x and an array arr[] each element of which is a power of 2. The task is to find the minimum number… Read More
maths-power
Bit Magic
Competitive Programming
DSA
Mathematical
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