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Mahindra Comviva interview experience Real time questions & tips from candidates to crack your interview

Product Development Engineer

Mahindra Comviva
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2 rounds | 4 Coding problems

Interview preparation journey

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Preparation
Duration: 4 months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming.
Tip
Tip

Tip 1 : Practice daily question of DS algo
Tip 2 : Prepare all your projects
Tip 3 : Daily practice of aptitude
Tip 4 : Practice previous years Company questions:

Application process
Where: Campus
Eligibility: 6.5 CGPA
Resume Tip
Resume tip

Tip 1 : Resume should contains only those skills that you know
Tip 2 : Add good projects and add github link to it also
Tip 3 : Resume should not be too long

Interview rounds

01
Round
Medium
Online Coding Interview
Duration150 minutes
Interview date26 Nov 2021
Coding problem2

The test consisted of 2 coding question and 25 questions of quantitative, reasoning and technical question based on DBMS, Data structrues

1. Sort An Array of 0s, 1s and 2s

Easy
10m average time
90% success
0/40
Asked in companies
SamsungDirectiZS Associates

You have been given an array/list 'arr' consisting of 'n' elements.


Each element in the array is either 0, 1 or 2.


S...

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Problem approach

Approach: The problem is similar to our old post “Segregate 0s and 1s in an array”.
The problem was posed with three colours, here `0′, `1′ and `2′. The array is divided into four sections: 
a[1..Lo-1] zeroes (red)
a[Lo..Mid-1] ones (white)
a[Mid..Hi] unknown
a[Hi+1..N] twos (blue)
If the ith element is 0 then swap the element to the low range, thus shrinking the unknown ...

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2. Middle Of Linked List

Easy
20m average time
80% success
0/40
Asked in companies
SamsungInfosysCognizant

Given a singly linked list of 'N' nodes. The objective is to determine the middle node of a singly linked list. However, if the list has an even number of nodes, we ret...

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Problem approach

Traverse linked list using two-pointers. Move one pointer by one and the other pointers by two. When the fast pointer reaches the end, the slow pointer will reach the middle of the linked list.

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02
Round
Medium
Video Call
Duration30 minutes
Interview date3 Dec 2021
Coding problem2

Interviewer asked me questions about DS algo . and gave coding problems to solve

1. Kth Smallest Element

Easy
15m average time
85% success
0/40
Asked in companies
SnapdealMicrosoftMedia.net

You are given an array of integers 'ARR' of size 'N' and another integer 'K'.


Your task is to find and return 'K&#...

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Problem approach

A simple solution is to sort the given array using an O(N log N) sorting algorithm like Merge Sort, Heap Sort, etc, and return the element at index k-1 in the sorted array. 
The Time Complexity of this solution is O(N log N)

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2. Encode the Message

Easy
18m average time
90% success
0/40
Asked in companies
Morgan StanleyCognizantGoogle

You have been given a text message. You have to return the Run-length Encoding of the given message.

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