GOKUL A P

19C024

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Experience

Round 1

General Aptitude 27 Math and Reasoning Aptitude questions No negative marks 50 minutes

Round 2

We had a choice between Aptitude and Coding For Coding 2 coding questions 50 minutes

Round 3 - F2F Round

Self Introduction 3 aptitude questions from round 1 were asked to be explained. 1 coding question: (Asked to code in a text editor of your preference

Two sum Problem

Given an array nums = [1,2,4,8] and target = 10

Return a pair of number that results in target sum

First i have given bruteforce solution and was asked to reduce the time complexity and have given hashmap approach Went on for 40 minutes

Round 4 - F2F Round

Self Introduction and was asked about my Area of Interest and Hobbies Totally 5 Questions in this round (was allowed to use anything, even google search was allowed for syntax references in this round)

  1. 1.(Puzzle) Water Jug Puzzle - Given 3 Litre Jug and 5 Litre Jug and measure 4 Litres using it https://www.geeksforgeeks.org/puzzle-water-jug-problem
  2. 2.(Coding) Count the number of Digits in a number - Eg. 1012 = 4 digits
  3. 3.(Coding) Find number of occurrences of a string in a sentence - (Was allowed to use inbuilt functions, so i have used python inbuilt function and completed in 3 lines of code, Then again i was asked to do the same without inbuilt function, Then tried in C++ and i was not able to get the correct output, the interviewer asked to Explain the approach i was trying, then he accepted that approach)
  4. 4.(Hard-Apti) A,B,C can do a job in 10,20, and 40 days. In how many days A can complete the job if he is assisted by B and C on every third day ?
  5. 5.(Coding) There is a machine that can fix potholes along a road in 3 units in length. A unit of road will be represented by a period in a string. For Example, “...” is one section of road 3 units in Length. Potholes are marked with “X” in the road and also count as 1 unit of length.The task is to take a road of length N and fix all potholes with the fewest possible sections repaired by the machines.
  6. Input and outputs: .X. -> 1 .X…X -> 2 XXX.XXXX -> 3 .X.XX.XX.X -> 3
    7. Went on for 1 hr 30 min

Round 5 - F2F Round

Self Introduction and was asked about my Project and few questions related to the project.

Two puzzles were asked :
1. https://www.geeksforgeeks.org/puzzle-18-torch-and-bridge/
2. https://www.relativelyinteresting.com/8-marbles-balance-scale-puzzle

And 3 Pattern printing programs :
1.
*
**
***
****
*****

2.
1****
12***
123**
1234*
12345

3.
*
* * *
* * * * *
* * *
*

Round 6 - F2F Round

Self Introduction
(Coding) - Given a MxN matrix, find the each row and column sum and store it in an array and it must be sorted
(Puzzle) - Same 8 marble puzzle with some modifications, the defective ball may be either weighs higher or lower that the normal bal

Thank you

Gokul A P — xxx@student.tce.edu — 19C024