Info Edge Front end Developer Interview Questions, Process, and Tips

Q1. Asked about fundamentals of javascript and react
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Q2. React lifecycle in functional components
Ans. 
React lifecycle in functional components
• useEffect hook replaces lifecycle methods

• useEffect runs after every render by default

• useEffect can be controlled by dependencies array

• useEffect cleanup function can be used to clean up effects

• useLayoutEffect hook runs synchronously after DOM mutations
Answered by AI
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Return numbers in array equal to sum

Round duration - 45 Minutes
Round difficulty - Easy

Q1. 
Triplets with Given Sum Problem
Given an array or list ARR consisting of N integers, your task is to identify all distinct triplets within the array that sum up to a specified number K.
Explanation:
A t...read more
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Q2. 
Find Magic Index in Sorted Array
Given a sorted array A consisting of N integers, your task is to find the magic index in the given array, where the magic index is defined as an index i such that A[i] = i...read more
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Round duration - 50 Minutes
Round difficulty - Hard

Q1. 
Alien Dictionary Problem Statement
You are provided with a sorted dictionary (by lexical order) in an alien language. Your task is to determine the character order of the alien language from this dictiona...read more
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Q2. 
Jumping Numbers Problem Statement
Given a positive integer N, your goal is to find all the Jumping Numbers that are smaller than or equal to N.
A Jumping Number is one where every adjacent digit has an a...read more
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Q3. 
Matching Prefix Problem Statement
Given an integer N representing the number of strings in an array Arr composed of lowercase English alphabets, determine a string S of length N such that it can be used t...read more
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Round duration - 20 Minutes
Round difficulty - Easy