'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
A.P.T. PORTFOLIO PVT. LTD. interview experience Real time questions & tips from candidates to crack your interview
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A.P.T. PORTFOLIO PVT. LTD.
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3 rounds | 7 Coding problems
Interview preparation journey
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Preparation
Duration: 12 Months
Topics: Data Structures, Algorithms, OOPS, DBMS, Machine Learning
Tip
Tip

Tip 1 : Start early and practice problems regularly.
Tip 2 : Give at least one contest in a week and upsolve the problems after the contest is over.
Tip 3 : For Machine Learning/ Data Science Roles, have a clear understanding of the basics like Linear Algebra, Probability.

Application process
Where: Campus
Eligibility: Above 8 cgpa
Resume Tip
Resume tip

Tip 1 : It is good to have an internship or some projects in your resume.
Tip 2 : Don't put some high-level ml algorithms in your resume unless you know the theory behind those algorithms.

Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 Minutes
Interview date15 Aug 2021
Coding problem3

The round was of 90 minutes.
The first section had 3 coding questions. (leetcode mediums)
The second section had problems based on probability and linear algebra and general mathematics.
The third section had MCQs based on some puzzles and cs fundamentals.

1. Pair Sum
Easy
15m average time
90% success
0/40
Asked in companies
OlaOpenTextGrofers

You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements such that each sum of elements of each pair equals 'S'.

...
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2. Rotting Oranges
Moderate
20m average time
78% success
0/80
Asked in companies
Samsung R&D InstitutePaytm (One97 Communications Limited)Samsung R&D Institute

You have been given a grid containing some oranges. Each cell of this grid has one of the three integers values:

  • Value 0 - representing an empty cell.
  • Value 1 - r...
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    3. Longest Common Prefix
    Moderate
    40m average time
    60% success
    0/80
    Asked in companies
    CiscoAdobeShareChat

    You are given an array ‘ARR’ consisting of ‘N’ strings. Your task is to find the longest common prefix among all these strings. If there is no common prefix, you have to return an empty string.

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    02
    Round
    Easy
    Video Call
    Duration45 Minutes
    Interview date20 Aug 2021
    Coding problem2

    This round started with a brief discussion about my projects and previous internship(about 15 mins).
    Then it was followed by 2 coding questions(10-12 mins for the first question and 15 mins for the second question).
    The interviewer asked me if I had any questions. I asked 2-3 questions about the projects we will be working on the what exactly the company does.

    1. K-th largest Number BST
    Easy
    10m average time
    90% success
    0/40
    Asked in companies
    FlipkartAccentureFreshworks

    You are given a binary search tree of integers with 'N' nodes. Your task is to return the K-th largest element of this BST.

    If there is no K-th largest element in the BST, return -1.

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    2. Find Peak Element
    Easy
    15m average time
    85% success
    0/40
    Asked in companies
    GrabMicrosoftAdobe

    You are given an array 'arr' of length 'n'. Find the index(0-based) of a peak element in the array. If there are multiple peak numbers, return the index of any...

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    03
    Round
    Easy
    Video Call
    Duration70 Minutes
    Interview date20 Aug 2021
    Coding problem2

    It was a mix of HR+technical round. A senior person from the company took my interview. He first asked me about my interests and why I want to join this company and about my future goals. He then asked my favourite topic, and I said graphs. Then we had a good discussion on graphs and the different concepts and popular algorithms. Then he asked 2 coding questions, one related to graphs and one related to backtracking.
    After this, we had a brief discussion of some of my ML projects.

    1. Evaluate Division
    Moderate
    15m average time
    85% success
    0/80
    Asked in companies
    GE (General Electric)SalesforceUber

    You are given an array of pairs of strings 'EQUATI...

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    2. Lexicographically Smallest Array
    Easy
    15m average time
    85% success
    0/40
    Asked in companies
    Paytm (One97 Communications Limited)Paytm (One97 Communications Limited)Zomato

    You have been given an array/list ARR consisting of ‘N’ integers. You are also given a positive integer ‘K’.

    Your task is to find the lexicographically s...

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