BONbLOC Senior Software Engineer Interview Questions and Answers

It was a ideal machine coding round. Consisting of a question to be completed within 45 mins. For a given manager to employee hierarchy, count direct + indirect repartees.

Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside.
Ans. 
Print nodes of n-ary tree in arc wise manner from outside
• Traverse the tree level by level from outside to inside

• Use a queue to keep track of nodes at each level

• Print the nodes at each level in a clockwise or anticlockwise manner
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Mostly DSA expect DP, graph problems

Q1. Graph traversal + DP
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Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins

Q1. Array basics was asked
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Q2. Segment tree,prefix sum
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Q1. Low level design was asked
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Asked medium level graph question.

Asked LLD question with at flow executable.

Q1. Asked HLD questions.
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React based
problem solving round

Q1. Rotate matrix by 90 degree
Ans. 
Rotate a matrix by 90 degrees.
• Transpose the matrix

• Reverse each row of the transposed matrix
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Q2. Longest substring with unique characters
Ans. 
The question asks for finding the longest substring in a given string that contains only unique characters.
• Iterate through the string and keep track of the current substring

• Use a set to check for duplicate characters

• Update the longest substring if a longer one is found
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Q1. A trie question
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Ecommerce hight level design

Q1. AlgoDS, Project Related and System Design
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Q1. Project related and managerial questions
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Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. What are your strengths and weaknesses?
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