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30 posts

Yahoo Recruitment Process

Last Updated: 23 July 2025

This article will give you information about the company, its recruitment process, sample questions that have been asked previously, lots of experiences shared by other as...read more

Interview Experiences

Recruitment Process

C++ Program to Form coils in a matrix

Last Updated: 23 July 2025

Given a positive integer n which represents the dimensions of a 4n x 4n matrix with values from 1 to n filled from left to right and top to bottom. Form two coils from the...read more

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Java Program to Form coils in a matrix

Last Updated: 23 July 2025

Given a positive integer n which represents the dimensions of a 4n x 4n matrix with values from 1 to n filled from left to right and top to bottom. Form two coils from the...read more

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Python Program to Form coils in a matrix

Last Updated: 23 July 2025

Given a positive integer n which represents the dimensions of a 4n x 4n matrix with values from 1 to n filled from left to right and top to bottom. Form two coils from the...read more

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PHP Program to Form coils in a matrix

Last Updated: 23 July 2025

Given a positive integer n which represents the dimensions of a 4n x 4n matrix with values from 1 to n filled from left to right and top to bottom. Form two coils from the...read more

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Javascript Program to Form coils in a matrix

Last Updated: 23 July 2025

Given a positive integer n which represents the dimensions of a 4n x 4n matrix with values from 1 to n filled from left to right and top to bottom. Form two coils from the...read more

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Median of Stream of Running Integers using STL

Last Updated: 23 July 2025

Given that integers are being read from a data stream. Find the median of all the elements read so far starting from the first integer till the last integer. This is also ...read more

Order-Statistics

statistical-algorithms

Queue based approach for first non-repeating character in a stream

Last Updated: 10 January 2023

Given a stream of characters and we have to find first non repeating character each time a character is inserted to the stream.Examples:Input : a a b cOutput : a -1 b bIn...read more

Find duplicates under given constraints

Last Updated: 23 July 2025

A sorted array contains 6 different numbers, only 1 number is repeated five times. So there are total 10 numbers in array. Find the duplicate numbers using two comparisons...read more

Form coils in a matrix

Last Updated: 23 July 2025

Given a positive integer n which represents the dimensions of a 4n x 4n matrix with values from 1 to n filled from left to right and top to bottom. Form two coils from the...read more

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Three way partitioning of an array around a given range

Last Updated: 23 July 2025

Given an array and a range [lowVal, highVal], partition the array around the range such that array is divided in three parts.All elements smaller than lowVal come first.Al...read more

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array-rearrange

Boggle using Trie

Last Updated: 15 January 2026

Given a dictionary, a method to do a lookup in the dictionary and a M x N board where every cell has one character. Find all possible words that can be formed by a sequenc...read more

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Advanced Data Structure

Find two prime numbers with given sum

Last Updated: 23 July 2025

Given an even numbern(greater than 2), the task is to find two prime numbers whose sum will be equal to the given number. Note: There are several combinations possible, fi...read more

Yahoo Interview Experience | Set 4 (On-Campus for System Engineer)

Last Updated: 23 July 2025

Job Profile : System Engineer (on Campus)Round-1:Pen and paper test was conducted.There were about 30 MCQ's. 4 aptitude and 26 technical questions.Technical questions cons...read more

Interview Experiences

Sort a Stack using Recursion

Last Updated: 15 September 2025

Given a stack of integers st[], Sort the stack in ascending order (smallest element at the bottom and largest at the top).Example:Input: st[] = [1, 2, 3]Output: [3, 2, 1]E...read more

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