## How to write Regular Expressions?

A regular expression (sometimes called a rational expression) is a sequence of characters that define a search pattern, mainly for use in pattern matching with… Read More »

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A regular expression (sometimes called a rational expression) is a sequence of characters that define a search pattern, mainly for use in pattern matching with… Read More »

Prerequisites: Minimax Algorithm in Game Theory, Evaluation Function in Game Theory Let us combine what we have learnt so far about minimax and evaluation function… Read More »

Navigate to any article you want to add in your To-Do/Done List. Scroll down, you will see two check boxes just above the comments, namely… Read More »

Drop your Testimonial here Hello, I have been practicing questions on this site for the last 2 years and recently I got placed at Google.… Read More »

Given a natural number n, print all distinct divisors of it. Examples: Input : n = 10 Output: 1 2 5 10 Input: n =… Read More »

Given a natural number n, print all distinct divisors of it. Examples : Input : n = 10 Output: 1 2 5 10 Input: n… Read More »

A data structure is a particular way of organizing data in a computer so that it can be used effectively. The idea is to reduce… Read More »

Prerequisite Article-Machine Learning The goal in any data analysis is to extract from raw information the accurate estimation. One of the most important and common… Read More »

In this post “Top 10 coding problems of important topics with their solutions ” are written. If you are preparing for a coding interview, going through… Read More »

Given a number n, print following pattern without using any loop. Examples : Input: n = 16 Output: 16, 11, 6, 1, -4, 1, 6,… Read More »

Find the n’th term in Look-and-say (Or Count and Say) Sequence. The look-and-say sequence is the sequence of below integers: 1, 11, 21, 1211, 111221,… Read More »

Here is the collection of TOP 25 frequently asked questions based on experience (mine and friends) of interviews in multiple companies. 1) Lowest common Ancestor… Read More »

Given two dates, find total number of days between them. The count of days must be calculated in O(1) time and O(1) auxiliary space. Examples:… Read More »

Snapdeal visited our campus recently and here’s my interview experience. Round 1 (Online) : Test was on hackerrank. We had to do 22 MCQs and… Read More »

A person is determined to finish the book in ‘k’ days but he never wants to stop a chapter in between. Find the optimal assignment… Read More »