DE Shaw Interview Questions, Process, and Tips

Valuation of a public Company

Q1. IRR and NPV calculation. How do these drive an investment
Ans. 
IRR and NPV are key financial metrics used to evaluate the profitability of an investment.
• IRR (Internal Rate of Return) is the discount rate that makes the net present value (NPV) of all cash flows from a particular investment equal to zero.

• NPV (Net Present Value) is the difference between the present value of cash inflows and outflows over a specific period of time.

• Both IRR and NPV help investors assess the potential ...read more
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Q2. Financial statement analysis
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Q1. Relevant Work experience that would be apply for this opening.
Ans. 
I have over 5 years of experience in financial analysis, data interpretation, and market research.
• 5+ years of experience in financial analysis

• Strong skills in data interpretation

• Proven track record in market research

• Experience with financial modeling and forecasting

• Proficiency in Excel, SQL, and data visualization tools
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Q1. Give a matrix find the longest strictly increasing path
Ans. 
Use dynamic programming to find the longest strictly increasing path in a matrix.
• Use dynamic programming to keep track of the longest increasing path ending at each cell.

• Start from each cell and recursively explore all 4 directions to find the longest increasing path.

• Update the length of the longest increasing path at each cell based on the maximum length from its neighbors.
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Q1. Burn A Node in a Binary Tree
Ans. 
To burn a node in a binary tree, we mark the node as burned and then recursively burn its left and right children.
• Mark the current node as burned

• Recursively burn the left child

• Recursively burn the right child
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Q2. In depth questions on current projects
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