Alleviate Technology interview experience Real time questions & tips from candidates to crack your interview

Data Science Intern

Alleviate Technology
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1 rounds | 2 Coding problems

Interview preparation journey

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Preparation
Duration: 6 months
Topics: Python, DSA, OS, OOPS, Algorithms, NumPy, Pandas
Tip
Tip

Tip 1 : Python concepts must be good.
Tip 2 : Knowledge of Algorithms must be upto the mark.
Tip 3 : OOPS and Python Libraries are must, atlest 3-4 projects

Application process
Where: Referral
Eligibility: Must have atleast 3 projects and good knowledge of Data Science.
Resume Tip
Resume tip

Tip 1 : Add your projects links in your resume.
Tip 2 : Focus more on your projects rather than your hobbies.

Interview rounds

01
Round
Easy
Video Call
Duration40 minutes
Interview date16 Jul 2020
Coding problem2

1. Move All Negative Numbers To Beginning And Positive To End

Easy
10m average time
90% success
0/40
Asked in companies
SAP LabsBarclaysPayU

You are given an array 'ARR' consisting of 'N' integers. You need to rearrange the array elements such that all negative numbers appear before all positive numbers.

Note:
The order of elements in the resulting array is not important.
Example:
Let the array be [1, 2, -3, 4, -4, -5]. On rearranging the array such that all negative numbers appear before all positive numbers we get the resulting array [-3, -5, -4, 2, 4, 1].
Try solving now

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

Easy
10m average time
90% success
0/40
Asked in companies
DelhiveryInfo Edge India (Naukri.com)IBM

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


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


Sort this array/list in increasing order.


Do not make a new array/list. Make changes in the given array/list.


Example :
Input: 'arr' = [2, 2, 2, 2, 0, 0, 1, 0]

Output: Final 'arr' = [0, 0, 0, 1, 2, 2, 2, 2]

Explanation: The array is sorted in increasing order.
Try solving now

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Skill covered: Programming

What is recursion?

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