## Overview of Data Structures | Set 1 (Linear Data Structures)

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 »

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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 a pattern without using any loop. Examples : Input: n = 16 Output: 16, 11, 6, 1, -4, 1,… 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 »

Catalan numbers are a sequence of natural numbers that occurs in many interesting counting problems like following. 1) Count the number of expressions containing n… Read More »

Given n sets of integers of different sizes. Each set may contain duplicates also. How to find the intersection of all the sets. If an… Read More »

Given a 2D matrix, print all elements of the given matrix in diagonal order. For example, consider the following 5 X 4 input matrix. 1… Read More »

Given a 2D array, find the maximum sum subarray in it. For example, in the following 2D array, the maximum sum subarray is highlighted with… Read More »

Given a string str, find the length of the longest substring without repeating characters. For “ABDEFGABEF”, the longest substring are “BDEFGA” and “DEFGAB”, with length… Read More »

Question 1 Predict the output of the following program. What does the following fun() do in general? filter_none edit close play_arrow link brightness_4 code #include… Read More »