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InterviewBit/Scaler Interview Experience for SDE Intern (Off-Campus)

  • Difficulty Level : Medium
  • Last Updated : 02 Aug, 2021

Online Test: It had 4 questions. I solved 3/4 so I received a call for 1st round of interview. 

Round 1: The interviewer was great and helpful. she asked 2 questions and gave 1 hour to solve them.

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  1. Given a matrix of integers A of size N x M consisting of 0, 1, or 2.

    Each cell can have three values:



    The value 0 represents an empty cell.

    The value 1 representing a fresh orange.

    The value 2 representing a rotten orange.

    Every minute, any fresh orange that is adjacent (Left, Right, Top, or Bottom) to a rotten orange becomes rotten. Return the minimum number of minutes that must elapse until no cell has a fresh orange. If this is impossible, return -1 instead.

    A = [ [2, 1, 2]
          [1, 1, 0]
          [0, 2, 1] ]
    Ans = 1 
  2. Given a non-negative number represented as an array of digits, add 1 to the number ( increment the number represented by the digits ).

    The digits are stored such that the most significant digit is at the head of the list.

    ex- [1, 2, 3]
    Ans= [1, 2, 4]

I solved both the problems so I was called for 2nd round.

Round 2: It was a development round. 

  • I received a task to build a SPA where the admin can schedule interviews. I was given one day to build and had to share the Github link with them. I completed the basic requirements and one bonus point.
  • The interviewer asked me the implementation details of the project (the database schema, API calls, etc.).
  • He asked me to implement a new feature live on the call. I implemented that feature.
  • I received the call for the HR round.

Round 3: It was just 15 min round. The interviewer asked me about my old internships and few HR questions. 

Overall I had a great experience. All the interviewers were really helpful.  

I received the call from HR  that I am selected.

My Personal Notes arrow_drop_up
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