Dream11 Interview Questions, Process, and Tips

Reverse a binary tree

Q1. Search in 2d matrix
Ans. 
Search for a target value in a 2D matrix efficiently.
• Use binary search on rows to find the potential row where the target value may exist.

• Then use binary search on that row to find the target value.
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Q2. Find quadraplets that sum to target
Ans. 
Find quadraplets in an array that sum up to a target value.
• Use a nested loop to iterate through all possible combinations of quadraplets.

• Keep track of the sum of each quadraplet and compare it to the target value.

• Return the quadraplets that match the target sum.
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DSA, problem solving

System design interview and prior experience in projects

Q1. What was the toughest problem you encountered in your previous assignments ?
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Q2. Given a choice, what would you have done differently in your previous assignments ?
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Q1. What are the different types of testing STLC llifecycle
Ans. 
Different types of testing in STLC lifecycle include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing: Testing individual units or components of a software application.

• Integration testing: Testing the integration of different modules or components.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the system meets the requirements and is read
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Q1. Same questions Scenarion based questions
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Q1. Scenario based questions
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Q1. Bar raiser round
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Q1. Culture fit round
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Q1. Max profit , dp
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Q2. Topological sort
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