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SDE - Intern

Accolite
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3 rounds | 6 Coding problems

Interview preparation journey

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Preparation
Duration: 3 Months
Topics: Recursion,Tress of different types, DP, Graphs,array and pointer.
Tip
Tip

Tip 1 : Prepare Data structure and algorithm
Tip 2 : Focus on operating system 
Tip 3 : RDBMS and CAO are also important

Application process
Where: Campus
Eligibility: 6 CGPA
Resume Tip
Resume tip

Tip 1 : Have some projects on resume.
Tip 2 : Always write things which you can explain there.

Interview rounds

01
Round
Easy
Online Coding Interview
Duration30 Minutes
Interview date2 Sep 2020
Coding problem2

Timing of test start from 11 AM and everything goes well here .

1. OS Question

What is segmentation

2. DBMS Question

How many level of Normalization are there ?

02
Round
Easy
Online Coding Interview
Duration60 Minutes
Interview date4 Sep 2020
Coding problem2

It happen nicely and no problem occur.

1. Trapping Rain Water

Moderate
15m average time
80% success
0/80
Asked in companies
SalesforcePayPalHexaware Technologies

You have been given a long type array/list 'arr’ of size 'n’.


It represents an elevation map wherein 'arr[i]’ denotes the elevation of the 'ith' bar.



Note :
The width of each bar is the same and is equal to 1.
Example:
Input: ‘n’ = 6, ‘arr’ = [3, 0, 0, 2, 0, 4].

Output: 10

Explanation: Refer to the image for better comprehension:

Alt Text

Note :
You don't need to print anything. It has already been taken care of. Just implement the given function.
Try solving now

2. Sort 0 1 2

Easy
22m average time
0/40
Asked in companies
HCL TechnologiesWalmartOptum

You have been given an integer array/list(ARR) of size 'N'. It only contains 0s, 1s and 2s. Write a solution to sort this array/list.

Note :
Try to solve the problem in 'Single Scan'. ' Single Scan' refers to iterating over the array/list just once or to put it in other words, you will be visiting each element in the array/list just once.
Try solving now
03
Round
Hard
Video Call
Duration90 mintues
Interview date6 Apr 2021
Coding problem2

Environment is very bad the intervier video call is lagging.

1. Compiler Design Question

. List The Sub Parts Or Phases Of Analysis Part

2. Left Rotations of An Array

Moderate
10m average time
90% success
0/80
Asked in companies
IBMCognizantPaytm (One97 Communications Limited)

You are given an array consisting of 'N' elements and you need to perform 'Q' queries on the given array. Each query consists of an integer which tells the number of elements by which you need to left rotate the given array. For each query return the final array obtained after performing the left rotations.

Note:

Perform each query on the original array only i.e. every output should be according to the original order of elements.

Example:

Let the array be [1, 2, 3, 4, 5, 6] and the queries be {2, 4, 1}. For every query, we’ll perform the required number of left rotations on the array.

For the first query, rotate the given array to the left by 2 elements, so the resultant array is: [3, 4, 5, 6, 1, 2].

For the second query, rotate the given array to the left by 4 elements, so the resultant array is: [5, 6, 1, 2, 3, 4].

For the third query, rotate the given array to the left by 1 element, so the resultant array is: [2, 3, 4, 5, 6, 1].
Try solving now

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Skill covered: Programming

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