Angel One Intern Interview Questions and Answers

2 hours HackerEarth coding round

Q1. Some medium level of question
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HackerEarth test medium level question

Can't Disclose

A basic aptitude test with questions from statistics and probability. Questions like you would expect in a competitive exams but easier.

2 questions in language of your choice

Q1. LinkedIn list circular reference
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Two Coding questions were asked -
1- Graph Connectivity with threshold
2-Find length of longest subsequence of one string which is substring of another string

Q1. N-Queens, Snake and Ladder Problem, Second Most repeated word in a sequence
Ans. 
These are three different programming problems that require different approaches to solve.
• N-Queens: placing N queens on an NxN chessboard so that no two queens threaten each other

• Snake and Ladder Problem: finding the minimum number of dice rolls to reach the end of a board with snakes and ladders

• Second Most Repeated Word in a Sequence: finding the second most frequently occurring word in a given sequence of words
Answered by AI
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Q2. Replace every element with the greatest element on the right side
Ans. 
Replace each element with the greatest element on its right side in the array
• Loop through the array from right to left

• Keep track of the maximum element seen so far

• Replace the current element with the maximum element seen so far

• Return the modified array
Answered by AI
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Q3. Special Keyboard DP Problem
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1 Hour of aptitude test companied by 1 hour of coding test 2 questions

Q1. The interview started with stack, queue and linked list questions and its applications.
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