lazzar19

Bitmask

OG

pushing 30

short MAX RANK

39,258 POWER LEVEL

short MAX → int I

1,334 / 1,356 XP

22 XP to int I

#34 RANK 1 SOLVED 100% ACCURACY 138 QUIZ SOLVED 77% QUIZ ACC 0 PROB SOLVED 2 STREAK

Activity

154 submissions in 2026

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

M W F

Less

More

Difficulty Breakdown

1

1

2

3

4

5

6

7

8

9

10

11

Recent Activity

Solves, roadmap & quizzes

syscalls Jun 10, 12:52 PM

Domain · Correct

Cold Resume Jun 10, 12:52 PM

Domain · Correct

Stop the World Jun 10, 12:52 PM

Domain · Correct

Crossing the Ring Jun 10, 12:51 PM

Domain · Correct

Lock-Free vs Wait-Free Jun 10, 12:51 PM

Domain · Correct

Work Stealing Jun 10, 12:50 PM

Domain · Correct

Exception Safety Guarantees Jun 10, 12:50 PM

Domain · Correct

Promise Broken Jun 10, 12:49 PM

Domain · Correct

RAII and Exception Safety Jun 10, 12:49 PM

Domain · Correct

Exceptions vs Error Codes Jun 10, 12:49 PM

Domain · Correct

Catching by Reference Jun 10, 12:48 PM

Domain · Correct

Old Magic, New Magic Jun 10, 12:48 PM

Domain · Correct

if constexpr Jun 10, 12:47 PM

Domain · Correct

Catch It Early Jun 10, 12:47 PM

Domain · Correct

Three Compile Spells Jun 10, 12:47 PM

Domain · Correct

Compile Time Maybe Jun 10, 12:46 PM

Domain · Correct

Executive Agreement May 14, 02:36 PM

Domain · Correct

I'm so forked May 14, 02:35 PM

Domain · Correct

Thrash out May 14, 02:35 PM

Domain · Correct

Modern Disk Trick May 14, 02:35 PM

Domain · Correct

Best Solves

Hardest problems solved

It's over for you. (if you can't do this)

C++17 +61 XP +2,057 PL