We just released our Beginner Hardware Design roadmap. We're leaning into HWE interview preparation. The price will rise as the content expands.

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Member
Andriy
Last logged in 4/29/2026

Activity

Attempted questions, problems, quizzes, and roadmap resources in 2026

Contribution Graph for 2026
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Staff rank badge
Rank
Staff
Tier 5 of 11
Total XP
73,601
Senior rank badgeSenior
Principal rank badgePrincipal
26,399 XP to Principal56%
Questions
34
Solved
Problems
16
Solved
Quizzes
0
Completed
Awards
0
Received
Streak
0
Days
Best Streak
7
Days

Recently Completed

TitleStatusDate
CAnother string question?
MediumLanguageKnowledge
3/12/2026
CPeas in a pod.
EasyConcurrency
3/8/2026
Cache Coherence Optimization
CookedConcurrency
3/8/2026
Cache Coherence
EasyComputerArchitecture
3/8/2026
CC++ is a…
EasyLanguageKnowledge
3/4/2026
Amdahl's Law Application
CookedConcurrency
3/1/2026
CMemory order I
EasyConcurrency
3/1/2026
CSpin wars
EasyConcurrency
3/1/2026
CWe're both from the future!
MediumConcurrency
3/1/2026
Cross-thread Exception Handling
EasyConcurrency
3/1/2026
CAsync surprise party
EasyConcurrency
3/1/2026
A onephore
CookedConcurrency
3/1/2026
CWait, I'm sleeping
EasyConcurrency
3/1/2026
How fine is the grain?
EasyConcurrency
3/1/2026
CSomething is wrong.
EasyConcurrency
3/1/2026
A thread-safe stack.
EasyConcurrency
3/1/2026
Accumulate it all in parallel.
EasyConcurrency
3/1/2026
Locking Granularity Tradeoffs
EasyConcurrency
3/1/2026
CLocked up, they won't let me out.
EasyConcurrency
3/1/2026
No progress.
EasyConcurrency
3/1/2026
CParallel pitfalls
EasyConcurrency
3/1/2026
CHey, I'm waiting to be unlocked.
EasyConcurrency
3/1/2026
CYou're not part of our group.
MediumConcurrency
3/1/2026
What am I guarding?
CookedConcurrency
3/1/2026
CBypass the mutex, or not?
EasyConcurrency
3/1/2026
How does it mutex?
MediumConcurrency
3/1/2026
Sharing data the nice way.
CookedConcurrency
3/1/2026
When are we racing, and what is the condition?
EasyConcurrency
3/1/2026
CWhat's suspect?
EasyConcurrency
3/1/2026
Joined together.
EasyConcurrency
3/1/2026
CTransferring ownership.
EasyConcurrency
3/1/2026
CI really want to be with you.
MediumConcurrency
3/1/2026
2 Types of Parallelism
EasyConcurrency
3/1/2026
CImplement stop_token
EasyConcurrency16.0ms
3/1/2026
CWhat pointer?
EasyConcurrency
3/1/2026
CImplement SPSC Queue
EasyConcurrency57.5ms
2/27/2026
CImplement Reader-Writer Lock
HardConcurrency409.7ms
2/26/2026
CImplement mutex
MediumConcurrency266.8ms
2/25/2026
CImplement shared_ptr
MediumLanguageKnowledge14.9ms
2/24/2026
CA/B Arbitrage
EasyLanguageKnowledge23.7ms
2/20/2026
CImplement unique_ptr
EasyLanguageKnowledge13.8ms
2/20/2026
CWe're stronger together.
EasyLanguageKnowledge14.6ms
2/19/2026
CPoints and boundaries!
EasyLanguageKnowledge71.2ms
2/19/2026
CTenured Instrument Management
EasyLanguageKnowledge12.4ms
2/19/2026
CTrue-sharing data structure
EasyConcurrency3.5ms
2/19/2026
CMix it in with open-high-low-close
EasyDesignPatterns3.5ms
2/19/2026
C3D Space
CookedLanguageKnowledge5.0ms
2/19/2026
CI'm singleton.
CookedDesignPatterns6.6ms
2/19/2026
CBuild a Histogram
CookedLanguageKnowledge5.1ms
2/19/2026
PythonKeep it moving (averages)
CookedLanguageKnowledge122.9ms
2/11/2026

Approved Submissions

TitleTypeRewardApproved
You're not part of our group.Question
$2monero
2/25/2026
Hey, I'm waiting to be unlocked.Question
$2monero
2/25/2026

Progress Overview

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