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HashedIn Interview Experience | Software Engineer | Sep 2019

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Round 1 : It had 2 sections. Section A : It was having 2 Output based questions, 2 questions on Data Structures, 2 on OS and 2 on DBMS. Section B : It had 3 Programming Questions. 1. Problem : Given 2 Strings str and word, you have to find how many words can you make from that given string. Input : str=”This is a test string” word=”tsit” Output : 2 Explanation : there are 4 t’s 4 s’s 3 i’s in the given str, by which you can only make 2 “tsit”. Input: str=”Here is HashedIn Technologies” word=”neurons” Output : 0 Explanation: since you do not have ‘u’ in str. thus u can’t form word “neurons”. 2. Problem : Given a 2D matrix of 0s and 1s, you have to find number of potholes in that. Potholes are defined as all neighbouring 1s(including diagonals). Input : 1 1 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 0 0 1 0 1 0 1 Output : 5 Explanation: follow the bold 1s, there are 5 such potholes. 1 1 0 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 0 0 1 0 1 0 1 3. Based on Topological Sort. Can’t remember the exact question. Round 2 : They asked only 2 questions but it took an hour approx. But the interviewer as very supportive and gave hints few times. Problem 1 : You are having an old NOKIA phone and you are given a string of integers and “*” only. You have to find the mess typed. Input : 2222*444*5 Output: “AIJ” Input : 222*2*8 Output: “CAT” Problem 2 : You are given a Binary Tree, you have to find a path such that the sum of element of the nodes in a path results to a given number x.

Last Updated : 10 Sep, 2019
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