Blackrock

Interview Question

Software Developer Intern Interview
Blackrock

1. What is the difference between shallow copy and deep copy in C++? 2. Implement a class using the singleton pattern in Java. 3. Find the first common ancestor of two nodes in a binary search tree (BST).

Unlock the Full Solution

Enter your email to get instant access to the complete solution, explanation, and similar practice problems.

Insights on 100+ quant firms, understand where to apply, and maximize your chances.

Get the official 2025 QB Quant Firm Tier List

Check your email inbox — you should get the interview in 1-2 minutes!