Real Exams

💬Work in Progress

Work in Progress. Check back later.

For 2023

PathAI

• 1 simulation that had bunch of edge cases (solved 9/10)
• 1 optimized simulation

Grammarly

• 1 simulation
• 2 optimized simulation

Duolingo

• 1 multiple map problem (simple data analysis & processing)
• 1 path reduction problem (didn't have enough time)

LinkedIn

• 1 optimized simulation
• 1 mathematic coding

Akuna Capital — "Front Runner"

• 1 optimized simulation
• Passed 5/8 test cases

DRW

• 2 optimized simulations
• 1 greedy

Akuna Capital Python

• 1 optimized simulation
• 1 text compression & optimized simulation
• 1, which seemed greedy (I didn't have the time to solve it)

Akuna Capital C++

• 10 multiple choice questions
  • required a deep understanding of C++ recent specs
• 1 greedy palindrome substring search
• 1 adjacency list construction and tree search.
  • Time limit was stringent, and I wasn't able to finish it
• 1 optimized simulation using bitwise operations
  • Time limit was stringent, and I wasn't able to finish it

Valkyrie Trading

• 1 binary tree construction & binary search traversal
• 1 simulation

CodeSignal (HRT, Databricks)

• 2 simulations
• 2 optimized simulations

IMC

• 1 BFS
• 1 optimized simulation

Garda Capital Partners

• 3 mathematic coding problems (2 finding-formula, 1 map)
• 1 SQL Problem

BlackRock

• 1 stack
• 1 BFS

For 2022

Facebook

• 1 recursion
• 1 simple algorithm
• 1 optimized simulation

Coinbase

• 1 mathematic coding
• 1 optimized simulation

Goldman Sachs

• 1 mathematic coding
• 1 optimized simulation

Sezzle

• get-a-job-done SQL, React, Python

Twitch

• get-a-job-done Data Parsing

Bloomberg

• BFS