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16,590 sde interview questions shared by candidates

Round 1: A brief into and discussion with the Interviewer about yourself and the work you are involved into. I was asked Two Algorithmic Questions, one was based on Arrays other on Graph. Round 2: It consisted of discussion of Database design of Ticket Booking site like BMS
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SDE-II

Interviewed at Rupeek

3.7★
Feb 24, 2020

Round 1: A brief into and discussion with the Interviewer about yourself and the work you are involved into. I was asked Two Algorithmic Questions, one was based on Arrays other on Graph. Round 2: It consisted of discussion of Database design of Ticket Booking site like BMS

Round 2: 3 Graph based questions(don't remember any of those) Round 3: 2 logical question and their explanation - https://www.geeksforgeeks.org/puzzle-16-100-doors/ - https://www.youtube.com/watch?v=A6t7XJnYfXY Round 4 -number of edges in a binary tree and explanation -max number of edges in a graph and explanation -best solution to reach from one node to another in a graph Round 6: Make a rotating cube along all the axis and given acceleration to rotate Round 7 - Project related: Image recognition without using ml(My project was based on Convolution neural network) - Random questions on networking like issues with http, security using encryption, key exchange in a compromised network.(All this when networking was not in my CV).
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SDE-1

Interviewed at JUSPAY

4★
Aug 28, 2020

Round 2: 3 Graph based questions(don't remember any of those) Round 3: 2 logical question and their explanation - https://www.geeksforgeeks.org/puzzle-16-100-doors/ - https://www.youtube.com/watch?v=A6t7XJnYfXY Round 4 -number of edges in a binary tree and explanation -max number of edges in a graph and explanation -best solution to reach from one node to another in a graph Round 6: Make a rotating cube along all the axis and given acceleration to rotate Round 7 - Project related: Image recognition without using ml(My project was based on Convolution neural network) - Random questions on networking like issues with http, security using encryption, key exchange in a compromised network.(All this when networking was not in my CV).

Sort an array of 1s and 0s, and later an array of 0s, 1s and 2s, along with pseudo code. Merge two sorted linked list and write a pseudo code Hat visibility puzzle. 10 persons in a row standing in ascending height wise order facing toward the person smaller than themselves. all wear either a red hat or a blue hat. a person can view the color of hat wore by all the smaller than him, but can't see color of his and person behind him(taller ones) cap. How can every person tell the correct color of his/her cap with maximum one person being wrong. Egg puzzle, question along with solution available on gfg. K-th element from end of linked list. how do you find height of a binary tree. All possible Permutation of a given string (Round 2) Print reverse of a linked list and a solution with just one traversal of linked list and no extra memory. Singly vs Doubly Linked lists .(theory) what is virtual function and about the vptr? find Repeating element in an array. Though it differed from the standard problem as here all the elements were random and not first n natural numbers. about my projects and a few questions on them(general questions) As i answered all the questions in round until now, here came a googly question. I was supposed to find the most valuable team in Dream 11 type environment with all the constraints off 110 points ,11 players ({2,5} batsman, {2,5} ballers, {1,2} wicket keepers and so on). And this was to be found after the match that is you are provided with the points each player scored today. (Round 3) Tell me about yourself(This question was asked in all the above rounds too) What are your hobbies(not necessarily technical) next were few technical questions like Tell me about Inheritance. You have four classes :- School, Teacher, Student, Classes. Is there any inheritance possible? 17)problem on Train and platforms. Find minimum number of platforms required. 18)Asked me about asymptotic analysis and he was seeking conceptual clarity in the answers.
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Software Development Engineer (SDE) Intern

Interviewed at Octro

2.8★
Nov 8, 2020

Sort an array of 1s and 0s, and later an array of 0s, 1s and 2s, along with pseudo code. Merge two sorted linked list and write a pseudo code Hat visibility puzzle. 10 persons in a row standing in ascending height wise order facing toward the person smaller than themselves. all wear either a red hat or a blue hat. a person can view the color of hat wore by all the smaller than him, but can't see color of his and person behind him(taller ones) cap. How can every person tell the correct color of his/her cap with maximum one person being wrong. Egg puzzle, question along with solution available on gfg. K-th element from end of linked list. how do you find height of a binary tree. All possible Permutation of a given string (Round 2) Print reverse of a linked list and a solution with just one traversal of linked list and no extra memory. Singly vs Doubly Linked lists .(theory) what is virtual function and about the vptr? find Repeating element in an array. Though it differed from the standard problem as here all the elements were random and not first n natural numbers. about my projects and a few questions on them(general questions) As i answered all the questions in round until now, here came a googly question. I was supposed to find the most valuable team in Dream 11 type environment with all the constraints off 110 points ,11 players ({2,5} batsman, {2,5} ballers, {1,2} wicket keepers and so on). And this was to be found after the match that is you are provided with the points each player scored today. (Round 3) Tell me about yourself(This question was asked in all the above rounds too) What are your hobbies(not necessarily technical) next were few technical questions like Tell me about Inheritance. You have four classes :- School, Teacher, Student, Classes. Is there any inheritance possible? 17)problem on Train and platforms. Find minimum number of platforms required. 18)Asked me about asymptotic analysis and he was seeking conceptual clarity in the answers.

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