rtb123

short I Rank

17,996 Power level

short I → short II

677 / 782 XP

105 XP to short II

#232 Rank 2 Solved 100% Accuracy 59 Quiz solved 85% Quiz acc. 0 Roadmap solved 5 Streak

Activity

6 activity events in 2026

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Difficulty Breakdown

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Recent Activity

Solves, roadmap, White Room, quests & quizzes

2 quiz questions Aug 4, 08:42 PM

Domain · Correct · Lock Granularity Trade-off, Nobody Is Blocked

std::mutex Deadlock Prevention Aug 4, 08:40 PM

Domain · Incorrect

7 quiz questions Aug 4, 08:39 PM

Domain · Correct · Whose Turn Is It, Spinning On One Core and 5 more

9 quiz questions Aug 4, 03:54 PM

Domain · Correct · Flatten the Family, Stack Machine Feed and 7 more

syscalls Aug 4, 03:39 PM

Domain · Correct

Let's Connect! (Easy version) Jul 25, 02:37 AM

Core · AC · C++20 · 10 ms

Let's Connect! (Easy version) Jul 25, 02:35 AM

Core · CE · C++20 · 1768 ms

CorrelationTTV (Easy version) Jul 21, 01:44 AM

Core · AC · C++20 · 3 ms

CorrelationTTV (Easy version) Jul 21, 01:43 AM

Core · CE · C++20 · 3495 ms

Best Solves

Hardest problems solved

Let's Connect! (Easy version)

C++20 +108 XP +3,260 PL

BasicsGame Theory

CorrelationTTV (Easy version)

C++20 +81 XP +2,453 PL