jmc's Profile | getcracked

Member

jmc

Last logged in Sep 28, 2026

Member

jmc

Activity

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

Contribution Graph for 2026
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Principal

Tier 6 of 11

Total XP

208,266

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Distinguished

41,734 XP to Distinguished72%

Questions

324

Solved

Problems

Solved

Quizzes

Completed

Awards

Received

Streak

Days

Best Streak

Days

Questions

324

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Problems

Solved

Quizzes

Completed

Awards

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Days

Best Streak

Days

Recently Completed

Title	Status	Date
So, how big is vector? MediumLanguageKnowledge		Sep 29, 2026
Vector growth 1 EasyLanguageKnowledge		Sep 29, 2026
Vector growth 2 CookedLanguageKnowledge		Sep 29, 2026
How does it allocate? CookedLanguageKnowledge		Sep 29, 2026
Build a Histogram CookedLanguageKnowledge3.4ms		Sep 29, 2026
Containers for containers. EasyLanguageKnowledge		Sep 29, 2026
A, B, C, initializer_list EasyLanguageKnowledge		Sep 29, 2026
Don't @ me CookedLanguageKnowledge		Sep 29, 2026
Array extensioooooons MediumLanguageKnowledge		Sep 28, 2026
What a Jump! EasyLanguageKnowledge		Sep 28, 2026
Array, Array, go away, come again another day. MediumLanguageKnowledge		Sep 28, 2026
Allocation decisions EasyOperatingSystems		Sep 28, 2026
3D Arrays EasyLanguageKnowledge		Sep 28, 2026
[0] MediumLanguageKnowledge		Sep 28, 2026
SOO, about that object. EasyLanguageKnowledge		Sep 27, 2026
Returned View EasyLanguageKnowledge		Sep 27, 2026
You don't understand strings. EasyLanguageKnowledge		Sep 27, 2026
What's zero? MediumLanguageKnowledge		Sep 27, 2026
What even is a string? MediumLanguageKnowledge		Sep 27, 2026
Signed Char == Unsigned Char? MediumLanguageKnowledge		Sep 27, 2026
Pointers to Pointers to Pointers MediumLanguageKnowledge		Sep 27, 2026
More chars more problems. MediumLanguageKnowledge		Sep 27, 2026
GG MediumLanguageKnowledge		Sep 27, 2026
Change it for me. MediumLanguageKnowledge		Sep 27, 2026
Another string question? MediumLanguageKnowledge		Sep 27, 2026
Where did it go? EasyLanguageKnowledge		Sep 27, 2026
What's a character? EasyLanguageKnowledge		Sep 27, 2026
String them together. EasyLanguageKnowledge		Sep 27, 2026
String placement EasyLanguageKnowledge		Sep 27, 2026
Char + Char EasyLanguageKnowledge		Sep 27, 2026
0.0_7 EasyLanguageKnowledge		Sep 27, 2026
The const or the ? MediumLanguageKnowledge		Sep 27, 2026
East to West MediumLanguageKnowledge		Sep 27, 2026
You don't always matter to me EasyLanguageKnowledge		Sep 27, 2026
Keep your cool, keep it constant. EasyLanguageKnowledge		Sep 27, 2026
Constipated constexpr EasyLanguageKnowledge		Sep 27, 2026
Where do we go now? MediumLanguageKnowledge		Sep 27, 2026
It's weak, but how big is it? MediumLanguageKnowledge		Sep 27, 2026
Who lives here? HardLanguageKnowledge		Sep 27, 2026
Why std::make_shared? MediumLanguageKnowledge		Sep 27, 2026
Shared pointer constructor EasyLanguageKnowledge		Sep 27, 2026
It's shared, but is it big? EasyLanguageKnowledge		Sep 27, 2026
How many allocations? EasyLanguageKnowledge		Sep 27, 2026
Default shared pointer EasyLanguageKnowledge		Sep 27, 2026
A tale of two pointers! EasyLanguageKnowledge		Sep 27, 2026
We're moving. HardLanguageKnowledge6.1ms		Sep 27, 2026
Implement unique_ptr EasyLanguageKnowledge8.5ms		Sep 27, 2026
Implement make_unique MediumLanguageKnowledge1.4ms		Sep 27, 2026
I'm moving in. MediumLanguageKnowledge		Sep 27, 2026
Have him play with it. EasyLanguageKnowledge		Sep 27, 2026
It's unique, but is it big? CookedLanguageKnowledge		Sep 27, 2026
Inverting functions? EasyPuzzles		Sep 27, 2026
What-value CrackedLanguageKnowledge		Sep 27, 2026
Moved from. EasyLanguageKnowledge		Sep 26, 2026
I min-maxed my character. MediumLanguageKnowledge		Sep 26, 2026
You don't get references. EasyLanguageKnowledge		Sep 26, 2026
In one out the other. EasyLanguageKnowledge		Sep 26, 2026
& through me. EasyLanguageKnowledge		Sep 26, 2026
Where'd it go? CookedLanguageKnowledge		Sep 26, 2026
Divided Result MediumLanguageKnowledge		Sep 26, 2026
So close to unwinding. CrackedLanguageKnowledge		Sep 26, 2026
Hey, catch! MediumLanguageKnowledge		Sep 26, 2026
Catch me if you can! EasyLanguageKnowledge		Sep 26, 2026
Who'd you call? CrackedLanguageKnowledge		Sep 26, 2026
96% of you will fail this. HardLanguageKnowledge		Sep 25, 2026
? 1 : 2 -> auto HardLanguageKnowledge		Sep 25, 2026
Tear it out root and stem MediumLanguageKnowledge		Sep 25, 2026
private, public, protected EasyLanguageKnowledge		Sep 25, 2026
r-expression MediumLanguageKnowledge		Sep 25, 2026
I'm here! Now I'm gone. MediumLanguageKnowledge		Sep 25, 2026
Do it for you. MediumLanguageKnowledge		Sep 25, 2026
Copying and Not Copying MediumLanguageKnowledge		Sep 25, 2026
Stop! Don’t move! EasyLanguageKnowledge		Sep 25, 2026
Not this, again. EasyLanguageKnowledge		Sep 25, 2026
It's hidden EasyLanguageKnowledge		Sep 25, 2026
Don't end me. EasyLanguageKnowledge		Sep 25, 2026
Where are we? MediumLanguageKnowledge		Sep 24, 2026
Drop these. MediumLanguageKnowledge		Sep 24, 2026
& and && CookedLanguageKnowledge		Sep 24, 2026
The headers you never knew CookedLanguageKnowledge		Sep 24, 2026
#square CookedLanguageKnowledge		Sep 24, 2026
Invoke me. EasyLanguageKnowledge		Sep 24, 2026
X ways MediumLanguageKnowledge		Sep 24, 2026
Haha… MediumLanguageKnowledge		Sep 24, 2026
skibidi pointer EasyLanguageKnowledge		Sep 24, 2026
1s in chat if you're cooked HardLanguageKnowledge		Sep 24, 2026
Streams of strings. MediumLanguageKnowledge		Sep 24, 2026
Over here, then over there. HardLanguageKnowledge		Sep 24, 2026
sizeof your comprehension MediumLanguageKnowledge		Sep 24, 2026
print function? MediumLanguageKnowledge		Sep 24, 2026
Is a pointer a pointer? MediumLanguageKnowledge		Sep 24, 2026
Getting high(er). MediumLanguageKnowledge		Sep 24, 2026
Aaaargggc MediumLanguageKnowledge		Sep 24, 2026
Get around &. EasyLanguageKnowledge		Sep 24, 2026
Freedom? EasyLanguageKnowledge		Sep 24, 2026
Between two parts. EasyLanguageKnowledge		Sep 24, 2026
Am I missing something? HardLanguageKnowledge		Sep 24, 2026
Overloading lambdas! EasyLanguageKnowledge		Sep 24, 2026
Streams EasyLanguageKnowledge		Sep 23, 2026
std::cout vs std::cerr EasyLanguageKnowledge		Sep 23, 2026
wtf const MediumLanguageKnowledge		Sep 23, 2026
Class inStruction MediumLanguageKnowledge		Sep 23, 2026
Struct over Class EasyLanguageKnowledge		Sep 23, 2026
Class vs Struct CookedLanguageKnowledge		Sep 23, 2026
That's BS! MediumOperatingSystems		Sep 22, 2026
Lambda defaults EasyLanguageKnowledge		Sep 22, 2026
Who are you pointing to? CookedLanguageKnowledge		Sep 22, 2026
How big is a pointer? CookedLanguageKnowledge		Sep 22, 2026
Power series v1 MediumPuzzles		Sep 22, 2026
Detect Endianness EasyComputerArchitecture10.2ms		Sep 21, 2026
Are we compatible? MediumLanguageKnowledge		Sep 21, 2026
To delete or not to delete EasyLanguageKnowledge		Sep 21, 2026
Reliable UDP CookedNetworking		Sep 21, 2026
Arithmetic Word Bash HardLanguageKnowledge5.5ms		Aug 30, 2026
Routers MediumLanguageKnowledge52.6ms		Aug 30, 2026
Guess my number 2 CrackedProbabilityStatistics		Aug 30, 2026
The Ballot Problem MediumProbabilityStatistics		Aug 2, 2026
Waiting for Patterns: HT vs. HH EasyProbabilityStatistics		Aug 2, 2026
Which Coin is Fake? EasyPuzzles		Aug 2, 2026
Token Game MediumPuzzles		Aug 2, 2026
Distinct Date I MediumPuzzles		Aug 2, 2026
Chessboard, revisited HardPuzzles		Aug 2, 2026
Isolated cubicles MediumPuzzles		Aug 2, 2026
Fascinating number MediumPuzzles		Aug 2, 2026
What in the Binomial Theorem? MediumPuzzles		Aug 2, 2026
Paired sums MediumPuzzles		Aug 2, 2026
Race to 50 EasyPuzzles		Aug 2, 2026
Odd Marble Out MediumPuzzles		Aug 1, 2026
Is it a Binomial Theorem? EasyPuzzles		Aug 1, 2026
The Fibonacci Sequence EasyPuzzles		Aug 1, 2026
Brain cells MediumPuzzles		Aug 1, 2026
All Heads EasyProbabilityStatistics		Jul 28, 2026
Frog and Pond MediumProbabilityStatistics		Jul 28, 2026
Unbeaten Chess Streak EasyProbabilityStatistics		Jul 28, 2026
Password Permutations EasyProbabilityStatistics		Jul 28, 2026
The Heavy Crate MediumProbabilityStatistics		Jul 28, 2026
Dueling Stock I MediumProbabilityStatistics		Jul 28, 2026
Starting With Heads MediumProbabilityStatistics		Jul 28, 2026
Coin-toss iteration MediumProbabilityStatistics		Jul 28, 2026
All-even board MediumProbabilityStatistics		Jul 28, 2026
Sweet chocolate MediumProbabilityStatistics		Jul 27, 2026
Uniform differences MediumProbabilityStatistics		Jul 27, 2026
Last Man's Rolls 1 CookedProbabilityStatistics		Jul 27, 2026
Flipping Until Heads MediumProbabilityStatistics		Jul 27, 2026
Ones vs Tens EasyProbabilityStatistics		Jul 26, 2026
5x ROI CookedProbabilityStatistics		Jul 26, 2026
Guess and Check CookedProbabilityStatistics		Jul 26, 2026
Two in a Row? CookedProbabilityStatistics		Jul 26, 2026
Expected 2's CookedProbabilityStatistics		Jul 26, 2026
Deca-Die I CookedProbabilityStatistics		Jul 26, 2026
Complete bill set EasyPuzzles		Jul 26, 2026
Flavors of ice EasyPuzzles		Jul 26, 2026
The Magic Wheel EasyProbabilityStatistics		Jul 26, 2026
Spades are Rich CookedProbabilityStatistics		Jul 26, 2026
Coin Race EasyProbabilityStatistics		Jul 26, 2026
Collect them All, Again! CookedProbabilityStatistics		Jul 26, 2026
Hand Full of Dice EasyProbabilityStatistics		Jul 26, 2026
Seasons change CookedProbabilityStatistics		Jul 26, 2026
Random convex hull MediumProbabilityStatistics		Jul 26, 2026
Delicious donuts MediumProbabilityStatistics		Jul 26, 2026
Wonky planes EasyProbabilityStatistics		Jul 26, 2026
One or none? EasyProbabilityStatistics		Jul 26, 2026
Jellybean Jar II MediumProbabilityStatistics		Jul 26, 2026
Jellybean Jar I EasyProbabilityStatistics		Jul 26, 2026
Bumping into Cars MediumProbabilityStatistics		Jul 26, 2026
I only speak english MediumLanguageKnowledge		Jul 26, 2026
Counting N for an Unfair Coin EasyProbabilityStatistics		Jul 26, 2026
Are we in St. Petersburg? CookedProbabilityStatistics		Jul 26, 2026
Cumulative Sum of Large Numbers CookedProbabilityStatistics		Jul 26, 2026
Changing Const? CookedLanguageKnowledge		Jul 14, 2026
Can you treat me as an equal? EasyOperatingSystems		Jul 7, 2026
They're stacked. EasyOperatingSystems		Jul 7, 2026
Decorator Disaster MediumLanguageKnowledge		Jul 5, 2026
Yes, I know what a ... is EasyLanguageKnowledge		Jul 5, 2026
Inquisitive Inheritance 3 EasyLanguageKnowledge		Jul 5, 2026
Lambda 101 CookedLanguageKnowledge		Jul 5, 2026
Instance Attributes EasyLanguageKnowledge		Jul 5, 2026
Hashability Hurdles CookedLanguageKnowledge		Jul 5, 2026
Slice and dice 2 CookedLanguageKnowledge		Jul 5, 2026
Many variables and just one line CookedLanguageKnowledge		Jul 5, 2026
Simple logic, right? CookedLanguageKnowledge		Jul 5, 2026
Forex Arbitrage MediumLanguageKnowledge63.0ms		Jul 5, 2026
Outlier Detection CookedLanguageKnowledge54.5ms		Jul 5, 2026
Feed Divergence CookedLanguageKnowledge197.6ms		Jul 5, 2026
Buying houses MediumProbabilityStatistics		Jul 5, 2026
OLS^2 MediumStatisticsAndDataAnalysis		Jul 5, 2026
Drawing socks MediumProbabilityStatistics		Jul 5, 2026
Gold bar HardPuzzles		Jul 5, 2026
Exponential coin payoff EasyProbabilityStatistics		Jul 5, 2026
Bucket tosses MediumProbabilityStatistics		Jul 5, 2026
Flexible dice product EasyPuzzles		Jul 5, 2026
2-squared grids MediumPuzzles		Jul 5, 2026
Summing normals EasyStatisticsAndDataAnalysis		Jul 5, 2026
Shuffled hat teams MediumProbabilityStatistics		Jul 5, 2026
Price it basically 2 CookedOptionTheory		Jul 5, 2026
A random regression MediumStatisticsAndDataAnalysis		Jul 5, 2026
What uniform distribution? EasyStatisticsAndDataAnalysis		Jul 5, 2026
Summing coins MediumStatisticsAndDataAnalysis758.4ms		Jul 5, 2026
Quoting strategy backtester I EasyStatisticsAndDataAnalysis536.8ms		Jul 5, 2026
A Loop Without A Loop EasyLanguageKnowledge		Jul 5, 2026
Exit the function early. EasyLanguageKnowledge		Jul 5, 2026
3 exits EasyLanguageKnowledge		Jul 5, 2026
What's a lambda? EasyLanguageKnowledge		Jul 5, 2026
How'd you read this? EasyLanguageKnowledge		Jul 4, 2026
Do-while... EasyLanguageKnowledge		Jul 4, 2026
Case and point 2 EasyLanguageKnowledge		Jul 3, 2026
Case and point 1 EasyLanguageKnowledge		Jul 3, 2026
If Else... What? MediumLanguageKnowledge		Jul 3, 2026
Conditional Trap EasyLanguageKnowledge		Jul 3, 2026
Overloading ++ EasyLanguageKnowledge		Jul 2, 2026
Is it converted? EasyLanguageKnowledge		Jul 2, 2026
Preprocessor chicanery MediumLanguageKnowledge		Jul 2, 2026
One after the other EasyLanguageKnowledge		Jul 2, 2026
Munch munch munch! MediumLanguageKnowledge		Jul 2, 2026
++ before or after? EasyLanguageKnowledge		Jul 2, 2026
Zero Division, Error Error? EasyLanguageKnowledge		Jul 2, 2026
Zero Division, Error? EasyLanguageKnowledge		Jul 2, 2026
Shortcuts EasyLanguageKnowledge		Jul 2, 2026
Let's go the other way. MediumLanguageKnowledge		Jul 2, 2026
Down shift MediumLanguageKnowledge		Jul 2, 2026
Hidden calories MediumLanguageKnowledge		Jul 2, 2026
Minus 0 EasyLanguageKnowledge		Jun 29, 2026
I'm harboring ints. EasyLanguageKnowledge		Jun 29, 2026
2 variables 1 auto EasyLanguageKnowledge		Jun 29, 2026
auto... &? EasyLanguageKnowledge		Jun 29, 2026
A, B, C, harder than 1, 2, 3 MediumLanguageKnowledge		Jun 29, 2026
Rust is... strange. EasyLanguageKnowledge		Jun 29, 2026
Castaway MediumLanguageKnowledge		Jun 29, 2026
Null and void. EasyLanguageKnowledge		Jun 29, 2026
Ranges of enums MediumLanguageKnowledge		Jun 29, 2026
I don't give a flying float MediumLanguageKnowledge		Jun 29, 2026
A very small value MediumLanguageKnowledge		Jun 29, 2026
Whatever floats your cope. EasyLanguageKnowledge		Jun 29, 2026
To sign or not to sign? EasyLanguageKnowledge		Jun 29, 2026
Double trouble? EasyLanguageKnowledge		Jun 29, 2026
Floating points, you sure? CookedLanguageKnowledge		Jun 29, 2026
Unsigned - Unsigned MediumLanguageKnowledge		Jun 29, 2026
Unsigned Integer Overflow EasyLanguageKnowledge		Jun 29, 2026
Signed Integer Overflow EasyLanguageKnowledge		Jun 28, 2026
long vs int EasyLanguageKnowledge		Jun 28, 2026
Understand lambdas, understand C++. EasyLanguageKnowledge		Jun 28, 2026
Satisfy me! EasyLanguageKnowledge		Jun 28, 2026
Online ratings EasyPuzzles		Jun 28, 2026
How much did I win? EasyPuzzles		Jun 28, 2026
Facing chickens CookedPuzzles		Jun 28, 2026
Interviewing frenzy EasyPuzzles		Jun 28, 2026
Knight in Shining Armour CookedPuzzles		Jun 28, 2026
Angles on a Clock EasyPuzzles		Jun 28, 2026
Number of Handshakes EasyPuzzles		Jun 28, 2026
Travel the Grid EasyPuzzles		Jun 28, 2026
How many people? EasyPuzzles		Jun 28, 2026
Non-consecutive Lotto HardPuzzles		Jun 27, 2026
I am the shadows. EasyLanguageKnowledge		Jun 27, 2026
Once or twice? CookedLanguageKnowledge		Jun 27, 2026
Light bulb sequence HardPuzzles		Jun 27, 2026
Friendly courses HardPuzzles		Jun 26, 2026
Rank my cards MediumProbabilityStatistics		Jun 26, 2026
Bodyguard EasyLanguageKnowledge		Jun 26, 2026
++i ++i EasyLanguageKnowledge		Jun 26, 2026
_global_variable HardLanguageKnowledge		Jun 26, 2026
The designated representative. MediumLanguageKnowledge		Jun 26, 2026
Schrödinger's Initializer MediumLanguageKnowledge		Jun 26, 2026
Forgot one? EasyLanguageKnowledge		Jun 26, 2026
C++ is a… EasyLanguageKnowledge		Jun 26, 2026
Choosing a squad EasyPuzzles		Jun 25, 2026
Hard-working students EasyPuzzles		Jun 25, 2026
All-black? EasyPuzzles		Jun 25, 2026
No-divisibility condition EasyPuzzles		Jun 25, 2026
n-k nightmare CookedPuzzles		Jun 25, 2026
Delete Delete Delete CookedDesignPatterns		Jun 25, 2026
Double flushing? CookedLanguageKnowledge		Jun 25, 2026
Indexing arrays CookedLanguageKnowledge		Jun 25, 2026
Delete this. Now! CookedLanguageKnowledge		Jun 25, 2026
Shifting off the edge CookedComputerArchitecture		Jun 25, 2026
a + b + c CookedComputerArchitecture		Jun 25, 2026
Maximal maximum MediumStatisticsAndDataAnalysis		Jun 24, 2026
What do you expect? CookedPuzzles		Jun 24, 2026
Functions imaging EasyPuzzles		Jun 24, 2026
getcracked, crackedget? EasyPuzzles		Jun 24, 2026
Permutations of permutations CookedPuzzles		Jun 24, 2026
Slothful __slots__ MediumLanguageKnowledge		Jun 24, 2026
Future shock EasyConcurrency		Jun 24, 2026
Pythonic return computation CookedStatisticsAndDataAnalysis		Jun 24, 2026
Rolling mean? EasyStatisticsAndDataAnalysis		Jun 24, 2026
Compounding Returns in Python MediumStatisticsAndDataAnalysis		Jun 24, 2026
DataFrames and Tuples CookedStatisticsAndDataAnalysis		Jun 24, 2026
Tell me the time MediumLanguageKnowledge		Jun 24, 2026
Market Making Spread Optimizer EasyFinance119.6ms		May 20, 2026
Rate Limiter EasyLanguageKnowledge169.0ms		May 20, 2026
Weighted Moving Average EasyLanguageKnowledge64.0ms		May 19, 2026
__code__ Attributes EasyLanguageKnowledge		May 19, 2026
List in Function EasyLanguageKnowledge		May 19, 2026
Dis Me EasyLanguageKnowledge		May 19, 2026
Truthy Falsey MediumLanguageKnowledge		May 19, 2026
Is the US in the EU? HardLanguageKnowledge		May 18, 2026
What is their GPA? MediumLanguageKnowledge		May 18, 2026
Expected Value of a Dice Roll CookedProbabilityStatistics73.6ms		May 18, 2026
Mean, square, efficiency MediumStatisticsAndDataAnalysis219.9ms		May 18, 2026
Implement Inner Join CookedLanguageKnowledge303.6ms		May 18, 2026
malloc outside pymalloc MediumLanguageKnowledge		May 17, 2026
Default Arguments EasyLanguageKnowledge		May 17, 2026
Scope the Scope EasyLanguageKnowledge		May 17, 2026
Memorize to Memoize CookedLanguageKnowledge		May 17, 2026
__doc__ MediumLanguageKnowledge		May 17, 2026
The Python Memory Manager EasyLanguageKnowledge		May 17, 2026
Count It MediumLanguageKnowledge		May 17, 2026
When death strikes MediumLanguageKnowledge		May 17, 2026
Pepsi MediumLanguageKnowledge		May 17, 2026
Type, enter, run MediumLanguageKnowledge		May 17, 2026
So, where is the list stored? EasyLanguageKnowledge		May 17, 2026
String is strange EasyLanguageKnowledge		May 17, 2026
Wannabe 4 EasyLanguageKnowledge		May 17, 2026
Wannabe 3 HardLanguageKnowledge		May 17, 2026
I'm nothing without you MediumLanguageKnowledge		May 17, 2026
So, what else? HardLanguageKnowledge		May 17, 2026
indentation no more MediumLanguageKnowledge		May 17, 2026
It's over, Load! MediumLanguageKnowledge		May 17, 2026
__new__ vs __init__ EasyLanguageKnowledge		May 17, 2026
Make it pretty. CookedLanguageKnowledge		May 17, 2026
Comparisons EasyLanguageKnowledge		May 17, 2026
Regex? I know this word! 2 HardLanguageKnowledge		May 17, 2026
What are __slots__? EasyLanguageKnowledge		May 17, 2026
Illogical Infinity MediumLanguageKnowledge		May 17, 2026
Regex? I know this word! MediumLanguageKnowledge		May 17, 2026
Outcast HardLanguageKnowledge		May 17, 2026
Wannabe 2 MediumLanguageKnowledge		May 16, 2026
Ouroboros 6 CrackedLanguageKnowledge		May 16, 2026
Ouroboros 5 MediumLanguageKnowledge		May 16, 2026
Lord of Dot CrackedLanguageKnowledge		May 16, 2026
Screw the protocol! MediumLanguageKnowledge		May 16, 2026
Quantum Defaults MediumLanguageKnowledge		May 16, 2026
How do you call a deaf person? MediumLanguageKnowledge		May 16, 2026
Ouroboros 3 HardLanguageKnowledge		May 16, 2026
Ouroboros 2 HardLanguageKnowledge		May 16, 2026
Memory is all you need HardLanguageKnowledge		May 16, 2026
Class is in functional session MediumLanguageKnowledge		May 16, 2026
Put on chains MediumLanguageKnowledge		May 16, 2026
Pointers in Python HardLanguageKnowledge		May 16, 2026
Remove it from me. MediumLanguageKnowledge		May 16, 2026
Either lower or uppercase EasyLanguageKnowledge		May 16, 2026
Printing the printer. EasyLanguageKnowledge		May 16, 2026
Thread-Safe Kernel Counter EasyConcurrency46.2ms		May 4, 2026
Realized Volatility Calculator EasyProbabilityStatistics107.7ms		May 4, 2026
Packet Latency Tracker EasyNetworking71.1ms		May 4, 2026
Peak GPU Memory Usage EasyLanguageKnowledge45.6ms		May 4, 2026
Volume-Weighted Median Price EasyFinance74.8ms		May 4, 2026
Triangular Arbitrage Detection EasyFinance73.2ms		May 4, 2026
Solarpunk EasyLanguageKnowledge		May 4, 2026
Your code doesn't look like mine EasyLanguageKnowledge		May 4, 2026
tupleware EasyLanguageKnowledge		May 4, 2026
Assign to what? MediumLanguageKnowledge		May 4, 2026
Mutual friends HardLanguageKnowledge		May 4, 2026
Fair Coin Run Length EasyProbabilityStatistics44.3ms		May 3, 2026
Order Book Spread CookedFinance44.9ms		May 3, 2026
Kelly Criterion Bet Sizing CookedFinance86.7ms		May 3, 2026
Keep it moving (averages) CookedLanguageKnowledge127.8ms		May 3, 2026
Ouroboros 1 HardLanguageKnowledge		May 3, 2026
My snake ate my trash MediumLanguageKnowledge		May 3, 2026
I have a small dict 3 EasyLanguageKnowledge		May 3, 2026
GIL EasyLanguageKnowledge		May 2, 2026
Traffic light stop MediumPuzzles		Apr 29, 2026
What DataFrame? CookedStatisticsAndDataAnalysis		Apr 29, 2026
Linear Regression Basics CookedProbabilityStatistics		Apr 29, 2026
Forever single HardLanguageKnowledge		Apr 28, 2026
Give me a hint! MediumLanguageKnowledge		Apr 28, 2026
Unpack the pops MediumLanguageKnowledge		Apr 28, 2026
Import test.py MediumLanguageKnowledge		Apr 28, 2026
Slash slash EasyLanguageKnowledge		Apr 28, 2026
Strings in Python EasyLanguageKnowledge		Apr 28, 2026
Understand your environment CookedLanguageKnowledge		Apr 28, 2026
Wheel file MediumLanguageKnowledge		Apr 27, 2026
Multiple Assignment EasyLanguageKnowledge		Apr 27, 2026
Simple Type EasyLanguageKnowledge		Apr 27, 2026
type of { } CookedLanguageKnowledge		Apr 27, 2026
Present your id EasyLanguageKnowledge		Apr 27, 2026
Know your math HardLanguageKnowledge		Apr 27, 2026
import this MediumLanguageKnowledge		Apr 27, 2026
get ref MediumLanguageKnowledge		Apr 27, 2026
Slice and dice 1 EasyLanguageKnowledge		Apr 27, 2026
Wannabe EasyLanguageKnowledge		Apr 27, 2026
range(0, round(π)) + 1 MediumLanguageKnowledge		Apr 27, 2026
GILty pleasure EasyLanguageKnowledge		Apr 27, 2026
Hash Collisions HardLanguageKnowledge		Apr 27, 2026
sorted() vs sort() MediumLanguageKnowledge		Apr 27, 2026
Small Numbers MediumLanguageKnowledge		Apr 27, 2026
Shallow Copy MediumLanguageKnowledge		Apr 27, 2026
So, where is X stored? MediumLanguageKnowledge		Apr 27, 2026
Take your place! HardLanguageKnowledge		Apr 27, 2026
Exception Unwinding MediumLanguageKnowledge		Apr 27, 2026
Zero Division Error MediumLanguageKnowledge		Apr 27, 2026
Using namespace std; MediumLanguageKnowledge		Apr 27, 2026
Generate Trade ID's CookedLanguageKnowledge256.3ms		Apr 26, 2026
Many Expected Returns? CookedLanguageKnowledge130.1ms		Apr 26, 2026
"Hello" EasyLanguageKnowledge		Apr 26, 2026
Set the Record Straight CookedLanguageKnowledge		Apr 26, 2026
So, how big is X? MediumLanguageKnowledge		Apr 26, 2026
A Slice of Confusion EasyLanguageKnowledge		Apr 26, 2026
Cereal printer EasyLanguageKnowledge		Apr 26, 2026
Dunder Dunder Dunder CookedLanguageKnowledge		Apr 26, 2026
Walrus CookedLanguageKnowledge		Apr 26, 2026
In Python... CookedLanguageKnowledge		Apr 26, 2026
Is Python...? CookedLanguageKnowledge		Apr 26, 2026
I love big numbers MediumLanguageKnowledge		Apr 26, 2026
del and __del__ CrackedLanguageKnowledge		Apr 26, 2026
So, where is 1,000 stored? EasyLanguageKnowledge		Apr 26, 2026
The Loop's Last Laugh HardLanguageKnowledge		Apr 26, 2026
**args EasyLanguageKnowledge		Apr 26, 2026
Zip it EasyLanguageKnowledge		Apr 26, 2026
tuple vs list EasyLanguageKnowledge		Apr 26, 2026
Ouroboros 4 MediumLanguageKnowledge		Apr 26, 2026
Default Floating Point EasyLanguageKnowledge		Apr 26, 2026
The country of Python's GDP CookedLanguageKnowledge		Apr 26, 2026
What does Tom do? CookedLanguageKnowledge		Apr 26, 2026

Completed Quizzes

Title	Score	Date
Junior Quantitative Developer Quiz Easy	30	Jul 5, 2026
Intern Quantitative Trader Quiz Easy	12.43	Jul 5, 2026

Progress Overview

CorrectIncorrect

Member

jmc

Last logged in Sep 28, 2026

Rank

Principal

Tier 6 of 11

Total XP

208,266

Staff

Distinguished

41,734 XP to Distinguished72%

Questions

324

Solved

Problems

Solved

Quizzes

Completed

Awards

Received

Streak

Days

Best Streak

Days

Questions

324

Solved

Problems

Solved

Quizzes

Completed

Awards

Received

Streak

Days

Best Streak

Days

Activity

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

Contribution Graph for 2026
Weekday label spacer	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun

Tue

Thu

Sat

Less

Progress Overview

CorrectIncorrect

Recently Completed

Title	Status	Date
So, how big is vector? MediumLanguageKnowledge		Sep 29, 2026
Vector growth 1 EasyLanguageKnowledge		Sep 29, 2026
Vector growth 2 CookedLanguageKnowledge		Sep 29, 2026
How does it allocate? CookedLanguageKnowledge		Sep 29, 2026
Build a Histogram CookedLanguageKnowledge3.4ms		Sep 29, 2026
Containers for containers. EasyLanguageKnowledge		Sep 29, 2026
A, B, C, initializer_list EasyLanguageKnowledge		Sep 29, 2026
Don't @ me CookedLanguageKnowledge		Sep 29, 2026
Array extensioooooons MediumLanguageKnowledge		Sep 28, 2026
What a Jump! EasyLanguageKnowledge		Sep 28, 2026
Array, Array, go away, come again another day. MediumLanguageKnowledge		Sep 28, 2026
Allocation decisions EasyOperatingSystems		Sep 28, 2026
3D Arrays EasyLanguageKnowledge		Sep 28, 2026
[0] MediumLanguageKnowledge		Sep 28, 2026
SOO, about that object. EasyLanguageKnowledge		Sep 27, 2026
Returned View EasyLanguageKnowledge		Sep 27, 2026
You don't understand strings. EasyLanguageKnowledge		Sep 27, 2026
What's zero? MediumLanguageKnowledge		Sep 27, 2026
What even is a string? MediumLanguageKnowledge		Sep 27, 2026
Signed Char == Unsigned Char? MediumLanguageKnowledge		Sep 27, 2026
Pointers to Pointers to Pointers MediumLanguageKnowledge		Sep 27, 2026
More chars more problems. MediumLanguageKnowledge		Sep 27, 2026
GG MediumLanguageKnowledge		Sep 27, 2026
Change it for me. MediumLanguageKnowledge		Sep 27, 2026
Another string question? MediumLanguageKnowledge		Sep 27, 2026
Where did it go? EasyLanguageKnowledge		Sep 27, 2026
What's a character? EasyLanguageKnowledge		Sep 27, 2026
String them together. EasyLanguageKnowledge		Sep 27, 2026
String placement EasyLanguageKnowledge		Sep 27, 2026
Char + Char EasyLanguageKnowledge		Sep 27, 2026
0.0_7 EasyLanguageKnowledge		Sep 27, 2026
The const or the ? MediumLanguageKnowledge		Sep 27, 2026
East to West MediumLanguageKnowledge		Sep 27, 2026
You don't always matter to me EasyLanguageKnowledge		Sep 27, 2026
Keep your cool, keep it constant. EasyLanguageKnowledge		Sep 27, 2026
Constipated constexpr EasyLanguageKnowledge		Sep 27, 2026
Where do we go now? MediumLanguageKnowledge		Sep 27, 2026
It's weak, but how big is it? MediumLanguageKnowledge		Sep 27, 2026
Who lives here? HardLanguageKnowledge		Sep 27, 2026
Why std::make_shared? MediumLanguageKnowledge		Sep 27, 2026
Shared pointer constructor EasyLanguageKnowledge		Sep 27, 2026
It's shared, but is it big? EasyLanguageKnowledge		Sep 27, 2026
How many allocations? EasyLanguageKnowledge		Sep 27, 2026
Default shared pointer EasyLanguageKnowledge		Sep 27, 2026
A tale of two pointers! EasyLanguageKnowledge		Sep 27, 2026
We're moving. HardLanguageKnowledge6.1ms		Sep 27, 2026
Implement unique_ptr EasyLanguageKnowledge8.5ms		Sep 27, 2026
Implement make_unique MediumLanguageKnowledge1.4ms		Sep 27, 2026
I'm moving in. MediumLanguageKnowledge		Sep 27, 2026
Have him play with it. EasyLanguageKnowledge		Sep 27, 2026
It's unique, but is it big? CookedLanguageKnowledge		Sep 27, 2026
Inverting functions? EasyPuzzles		Sep 27, 2026
What-value CrackedLanguageKnowledge		Sep 27, 2026
Moved from. EasyLanguageKnowledge		Sep 26, 2026
I min-maxed my character. MediumLanguageKnowledge		Sep 26, 2026
You don't get references. EasyLanguageKnowledge		Sep 26, 2026
In one out the other. EasyLanguageKnowledge		Sep 26, 2026
& through me. EasyLanguageKnowledge		Sep 26, 2026
Where'd it go? CookedLanguageKnowledge		Sep 26, 2026
Divided Result MediumLanguageKnowledge		Sep 26, 2026
So close to unwinding. CrackedLanguageKnowledge		Sep 26, 2026
Hey, catch! MediumLanguageKnowledge		Sep 26, 2026
Catch me if you can! EasyLanguageKnowledge		Sep 26, 2026
Who'd you call? CrackedLanguageKnowledge		Sep 26, 2026
96% of you will fail this. HardLanguageKnowledge		Sep 25, 2026
? 1 : 2 -> auto HardLanguageKnowledge		Sep 25, 2026
Tear it out root and stem MediumLanguageKnowledge		Sep 25, 2026
private, public, protected EasyLanguageKnowledge		Sep 25, 2026
r-expression MediumLanguageKnowledge		Sep 25, 2026
I'm here! Now I'm gone. MediumLanguageKnowledge		Sep 25, 2026
Do it for you. MediumLanguageKnowledge		Sep 25, 2026
Copying and Not Copying MediumLanguageKnowledge		Sep 25, 2026
Stop! Don’t move! EasyLanguageKnowledge		Sep 25, 2026
Not this, again. EasyLanguageKnowledge		Sep 25, 2026
It's hidden EasyLanguageKnowledge		Sep 25, 2026
Don't end me. EasyLanguageKnowledge		Sep 25, 2026
Where are we? MediumLanguageKnowledge		Sep 24, 2026
Drop these. MediumLanguageKnowledge		Sep 24, 2026
& and && CookedLanguageKnowledge		Sep 24, 2026
The headers you never knew CookedLanguageKnowledge		Sep 24, 2026
#square CookedLanguageKnowledge		Sep 24, 2026
Invoke me. EasyLanguageKnowledge		Sep 24, 2026
X ways MediumLanguageKnowledge		Sep 24, 2026
Haha… MediumLanguageKnowledge		Sep 24, 2026
skibidi pointer EasyLanguageKnowledge		Sep 24, 2026
1s in chat if you're cooked HardLanguageKnowledge		Sep 24, 2026
Streams of strings. MediumLanguageKnowledge		Sep 24, 2026
Over here, then over there. HardLanguageKnowledge		Sep 24, 2026
sizeof your comprehension MediumLanguageKnowledge		Sep 24, 2026
print function? MediumLanguageKnowledge		Sep 24, 2026
Is a pointer a pointer? MediumLanguageKnowledge		Sep 24, 2026
Getting high(er). MediumLanguageKnowledge		Sep 24, 2026
Aaaargggc MediumLanguageKnowledge		Sep 24, 2026
Get around &. EasyLanguageKnowledge		Sep 24, 2026
Freedom? EasyLanguageKnowledge		Sep 24, 2026
Between two parts. EasyLanguageKnowledge		Sep 24, 2026
Am I missing something? HardLanguageKnowledge		Sep 24, 2026
Overloading lambdas! EasyLanguageKnowledge		Sep 24, 2026
Streams EasyLanguageKnowledge		Sep 23, 2026
std::cout vs std::cerr EasyLanguageKnowledge		Sep 23, 2026
wtf const MediumLanguageKnowledge		Sep 23, 2026
Class inStruction MediumLanguageKnowledge		Sep 23, 2026
Struct over Class EasyLanguageKnowledge		Sep 23, 2026
Class vs Struct CookedLanguageKnowledge		Sep 23, 2026
That's BS! MediumOperatingSystems		Sep 22, 2026
Lambda defaults EasyLanguageKnowledge		Sep 22, 2026
Who are you pointing to? CookedLanguageKnowledge		Sep 22, 2026
How big is a pointer? CookedLanguageKnowledge		Sep 22, 2026
Power series v1 MediumPuzzles		Sep 22, 2026
Detect Endianness EasyComputerArchitecture10.2ms		Sep 21, 2026
Are we compatible? MediumLanguageKnowledge		Sep 21, 2026
To delete or not to delete EasyLanguageKnowledge		Sep 21, 2026
Reliable UDP CookedNetworking		Sep 21, 2026
Arithmetic Word Bash HardLanguageKnowledge5.5ms		Aug 30, 2026
Routers MediumLanguageKnowledge52.6ms		Aug 30, 2026
Guess my number 2 CrackedProbabilityStatistics		Aug 30, 2026
The Ballot Problem MediumProbabilityStatistics		Aug 2, 2026
Waiting for Patterns: HT vs. HH EasyProbabilityStatistics		Aug 2, 2026
Which Coin is Fake? EasyPuzzles		Aug 2, 2026
Token Game MediumPuzzles		Aug 2, 2026
Distinct Date I MediumPuzzles		Aug 2, 2026
Chessboard, revisited HardPuzzles		Aug 2, 2026
Isolated cubicles MediumPuzzles		Aug 2, 2026
Fascinating number MediumPuzzles		Aug 2, 2026
What in the Binomial Theorem? MediumPuzzles		Aug 2, 2026
Paired sums MediumPuzzles		Aug 2, 2026
Race to 50 EasyPuzzles		Aug 2, 2026
Odd Marble Out MediumPuzzles		Aug 1, 2026
Is it a Binomial Theorem? EasyPuzzles		Aug 1, 2026
The Fibonacci Sequence EasyPuzzles		Aug 1, 2026
Brain cells MediumPuzzles		Aug 1, 2026
All Heads EasyProbabilityStatistics		Jul 28, 2026
Frog and Pond MediumProbabilityStatistics		Jul 28, 2026
Unbeaten Chess Streak EasyProbabilityStatistics		Jul 28, 2026
Password Permutations EasyProbabilityStatistics		Jul 28, 2026
The Heavy Crate MediumProbabilityStatistics		Jul 28, 2026
Dueling Stock I MediumProbabilityStatistics		Jul 28, 2026
Starting With Heads MediumProbabilityStatistics		Jul 28, 2026
Coin-toss iteration MediumProbabilityStatistics		Jul 28, 2026
All-even board MediumProbabilityStatistics		Jul 28, 2026
Sweet chocolate MediumProbabilityStatistics		Jul 27, 2026
Uniform differences MediumProbabilityStatistics		Jul 27, 2026
Last Man's Rolls 1 CookedProbabilityStatistics		Jul 27, 2026
Flipping Until Heads MediumProbabilityStatistics		Jul 27, 2026
Ones vs Tens EasyProbabilityStatistics		Jul 26, 2026
5x ROI CookedProbabilityStatistics		Jul 26, 2026
Guess and Check CookedProbabilityStatistics		Jul 26, 2026
Two in a Row? CookedProbabilityStatistics		Jul 26, 2026
Expected 2's CookedProbabilityStatistics		Jul 26, 2026
Deca-Die I CookedProbabilityStatistics		Jul 26, 2026
Complete bill set EasyPuzzles		Jul 26, 2026
Flavors of ice EasyPuzzles		Jul 26, 2026
The Magic Wheel EasyProbabilityStatistics		Jul 26, 2026
Spades are Rich CookedProbabilityStatistics		Jul 26, 2026
Coin Race EasyProbabilityStatistics		Jul 26, 2026
Collect them All, Again! CookedProbabilityStatistics		Jul 26, 2026
Hand Full of Dice EasyProbabilityStatistics		Jul 26, 2026
Seasons change CookedProbabilityStatistics		Jul 26, 2026
Random convex hull MediumProbabilityStatistics		Jul 26, 2026
Delicious donuts MediumProbabilityStatistics		Jul 26, 2026
Wonky planes EasyProbabilityStatistics		Jul 26, 2026
One or none? EasyProbabilityStatistics		Jul 26, 2026
Jellybean Jar II MediumProbabilityStatistics		Jul 26, 2026
Jellybean Jar I EasyProbabilityStatistics		Jul 26, 2026
Bumping into Cars MediumProbabilityStatistics		Jul 26, 2026
I only speak english MediumLanguageKnowledge		Jul 26, 2026
Counting N for an Unfair Coin EasyProbabilityStatistics		Jul 26, 2026
Are we in St. Petersburg? CookedProbabilityStatistics		Jul 26, 2026
Cumulative Sum of Large Numbers CookedProbabilityStatistics		Jul 26, 2026
Changing Const? CookedLanguageKnowledge		Jul 14, 2026
Can you treat me as an equal? EasyOperatingSystems		Jul 7, 2026
They're stacked. EasyOperatingSystems		Jul 7, 2026
Decorator Disaster MediumLanguageKnowledge		Jul 5, 2026
Yes, I know what a ... is EasyLanguageKnowledge		Jul 5, 2026
Inquisitive Inheritance 3 EasyLanguageKnowledge		Jul 5, 2026
Lambda 101 CookedLanguageKnowledge		Jul 5, 2026
Instance Attributes EasyLanguageKnowledge		Jul 5, 2026
Hashability Hurdles CookedLanguageKnowledge		Jul 5, 2026
Slice and dice 2 CookedLanguageKnowledge		Jul 5, 2026
Many variables and just one line CookedLanguageKnowledge		Jul 5, 2026
Simple logic, right? CookedLanguageKnowledge		Jul 5, 2026
Forex Arbitrage MediumLanguageKnowledge63.0ms		Jul 5, 2026
Outlier Detection CookedLanguageKnowledge54.5ms		Jul 5, 2026
Feed Divergence CookedLanguageKnowledge197.6ms		Jul 5, 2026
Buying houses MediumProbabilityStatistics		Jul 5, 2026
OLS^2 MediumStatisticsAndDataAnalysis		Jul 5, 2026
Drawing socks MediumProbabilityStatistics		Jul 5, 2026
Gold bar HardPuzzles		Jul 5, 2026
Exponential coin payoff EasyProbabilityStatistics		Jul 5, 2026
Bucket tosses MediumProbabilityStatistics		Jul 5, 2026
Flexible dice product EasyPuzzles		Jul 5, 2026
2-squared grids MediumPuzzles		Jul 5, 2026
Summing normals EasyStatisticsAndDataAnalysis		Jul 5, 2026
Shuffled hat teams MediumProbabilityStatistics		Jul 5, 2026
Price it basically 2 CookedOptionTheory		Jul 5, 2026
A random regression MediumStatisticsAndDataAnalysis		Jul 5, 2026
What uniform distribution? EasyStatisticsAndDataAnalysis		Jul 5, 2026
Summing coins MediumStatisticsAndDataAnalysis758.4ms		Jul 5, 2026
Quoting strategy backtester I EasyStatisticsAndDataAnalysis536.8ms		Jul 5, 2026
A Loop Without A Loop EasyLanguageKnowledge		Jul 5, 2026
Exit the function early. EasyLanguageKnowledge		Jul 5, 2026
3 exits EasyLanguageKnowledge		Jul 5, 2026
What's a lambda? EasyLanguageKnowledge		Jul 5, 2026
How'd you read this? EasyLanguageKnowledge		Jul 4, 2026
Do-while... EasyLanguageKnowledge		Jul 4, 2026
Case and point 2 EasyLanguageKnowledge		Jul 3, 2026
Case and point 1 EasyLanguageKnowledge		Jul 3, 2026
If Else... What? MediumLanguageKnowledge		Jul 3, 2026
Conditional Trap EasyLanguageKnowledge		Jul 3, 2026
Overloading ++ EasyLanguageKnowledge		Jul 2, 2026
Is it converted? EasyLanguageKnowledge		Jul 2, 2026
Preprocessor chicanery MediumLanguageKnowledge		Jul 2, 2026
One after the other EasyLanguageKnowledge		Jul 2, 2026
Munch munch munch! MediumLanguageKnowledge		Jul 2, 2026
++ before or after? EasyLanguageKnowledge		Jul 2, 2026
Zero Division, Error Error? EasyLanguageKnowledge		Jul 2, 2026
Zero Division, Error? EasyLanguageKnowledge		Jul 2, 2026
Shortcuts EasyLanguageKnowledge		Jul 2, 2026
Let's go the other way. MediumLanguageKnowledge		Jul 2, 2026
Down shift MediumLanguageKnowledge		Jul 2, 2026
Hidden calories MediumLanguageKnowledge		Jul 2, 2026
Minus 0 EasyLanguageKnowledge		Jun 29, 2026
I'm harboring ints. EasyLanguageKnowledge		Jun 29, 2026
2 variables 1 auto EasyLanguageKnowledge		Jun 29, 2026
auto... &? EasyLanguageKnowledge		Jun 29, 2026
A, B, C, harder than 1, 2, 3 MediumLanguageKnowledge		Jun 29, 2026
Rust is... strange. EasyLanguageKnowledge		Jun 29, 2026
Castaway MediumLanguageKnowledge		Jun 29, 2026
Null and void. EasyLanguageKnowledge		Jun 29, 2026
Ranges of enums MediumLanguageKnowledge		Jun 29, 2026
I don't give a flying float MediumLanguageKnowledge		Jun 29, 2026
A very small value MediumLanguageKnowledge		Jun 29, 2026
Whatever floats your cope. EasyLanguageKnowledge		Jun 29, 2026
To sign or not to sign? EasyLanguageKnowledge		Jun 29, 2026
Double trouble? EasyLanguageKnowledge		Jun 29, 2026
Floating points, you sure? CookedLanguageKnowledge		Jun 29, 2026
Unsigned - Unsigned MediumLanguageKnowledge		Jun 29, 2026
Unsigned Integer Overflow EasyLanguageKnowledge		Jun 29, 2026
Signed Integer Overflow EasyLanguageKnowledge		Jun 28, 2026
long vs int EasyLanguageKnowledge		Jun 28, 2026
Understand lambdas, understand C++. EasyLanguageKnowledge		Jun 28, 2026
Satisfy me! EasyLanguageKnowledge		Jun 28, 2026
Online ratings EasyPuzzles		Jun 28, 2026
How much did I win? EasyPuzzles		Jun 28, 2026
Facing chickens CookedPuzzles		Jun 28, 2026
Interviewing frenzy EasyPuzzles		Jun 28, 2026
Knight in Shining Armour CookedPuzzles		Jun 28, 2026
Angles on a Clock EasyPuzzles		Jun 28, 2026
Number of Handshakes EasyPuzzles		Jun 28, 2026
Travel the Grid EasyPuzzles		Jun 28, 2026
How many people? EasyPuzzles		Jun 28, 2026
Non-consecutive Lotto HardPuzzles		Jun 27, 2026
I am the shadows. EasyLanguageKnowledge		Jun 27, 2026
Once or twice? CookedLanguageKnowledge		Jun 27, 2026
Light bulb sequence HardPuzzles		Jun 27, 2026
Friendly courses HardPuzzles		Jun 26, 2026
Rank my cards MediumProbabilityStatistics		Jun 26, 2026
Bodyguard EasyLanguageKnowledge		Jun 26, 2026
++i ++i EasyLanguageKnowledge		Jun 26, 2026
_global_variable HardLanguageKnowledge		Jun 26, 2026
The designated representative. MediumLanguageKnowledge		Jun 26, 2026
Schrödinger's Initializer MediumLanguageKnowledge		Jun 26, 2026
Forgot one? EasyLanguageKnowledge		Jun 26, 2026
C++ is a… EasyLanguageKnowledge		Jun 26, 2026
Choosing a squad EasyPuzzles		Jun 25, 2026
Hard-working students EasyPuzzles		Jun 25, 2026
All-black? EasyPuzzles		Jun 25, 2026
No-divisibility condition EasyPuzzles		Jun 25, 2026
n-k nightmare CookedPuzzles		Jun 25, 2026
Delete Delete Delete CookedDesignPatterns		Jun 25, 2026
Double flushing? CookedLanguageKnowledge		Jun 25, 2026
Indexing arrays CookedLanguageKnowledge		Jun 25, 2026
Delete this. Now! CookedLanguageKnowledge		Jun 25, 2026
Shifting off the edge CookedComputerArchitecture		Jun 25, 2026
a + b + c CookedComputerArchitecture		Jun 25, 2026
Maximal maximum MediumStatisticsAndDataAnalysis		Jun 24, 2026
What do you expect? CookedPuzzles		Jun 24, 2026
Functions imaging EasyPuzzles		Jun 24, 2026
getcracked, crackedget? EasyPuzzles		Jun 24, 2026
Permutations of permutations CookedPuzzles		Jun 24, 2026
Slothful __slots__ MediumLanguageKnowledge		Jun 24, 2026
Future shock EasyConcurrency		Jun 24, 2026
Pythonic return computation CookedStatisticsAndDataAnalysis		Jun 24, 2026
Rolling mean? EasyStatisticsAndDataAnalysis		Jun 24, 2026
Compounding Returns in Python MediumStatisticsAndDataAnalysis		Jun 24, 2026
DataFrames and Tuples CookedStatisticsAndDataAnalysis		Jun 24, 2026
Tell me the time MediumLanguageKnowledge		Jun 24, 2026
Market Making Spread Optimizer EasyFinance119.6ms		May 20, 2026
Rate Limiter EasyLanguageKnowledge169.0ms		May 20, 2026
Weighted Moving Average EasyLanguageKnowledge64.0ms		May 19, 2026
__code__ Attributes EasyLanguageKnowledge		May 19, 2026
List in Function EasyLanguageKnowledge		May 19, 2026
Dis Me EasyLanguageKnowledge		May 19, 2026
Truthy Falsey MediumLanguageKnowledge		May 19, 2026
Is the US in the EU? HardLanguageKnowledge		May 18, 2026
What is their GPA? MediumLanguageKnowledge		May 18, 2026
Expected Value of a Dice Roll CookedProbabilityStatistics73.6ms		May 18, 2026
Mean, square, efficiency MediumStatisticsAndDataAnalysis219.9ms		May 18, 2026
Implement Inner Join CookedLanguageKnowledge303.6ms		May 18, 2026
malloc outside pymalloc MediumLanguageKnowledge		May 17, 2026
Default Arguments EasyLanguageKnowledge		May 17, 2026
Scope the Scope EasyLanguageKnowledge		May 17, 2026
Memorize to Memoize CookedLanguageKnowledge		May 17, 2026
__doc__ MediumLanguageKnowledge		May 17, 2026
The Python Memory Manager EasyLanguageKnowledge		May 17, 2026
Count It MediumLanguageKnowledge		May 17, 2026
When death strikes MediumLanguageKnowledge		May 17, 2026
Pepsi MediumLanguageKnowledge		May 17, 2026
Type, enter, run MediumLanguageKnowledge		May 17, 2026
So, where is the list stored? EasyLanguageKnowledge		May 17, 2026
String is strange EasyLanguageKnowledge		May 17, 2026
Wannabe 4 EasyLanguageKnowledge		May 17, 2026
Wannabe 3 HardLanguageKnowledge		May 17, 2026
I'm nothing without you MediumLanguageKnowledge		May 17, 2026
So, what else? HardLanguageKnowledge		May 17, 2026
indentation no more MediumLanguageKnowledge		May 17, 2026
It's over, Load! MediumLanguageKnowledge		May 17, 2026
__new__ vs __init__ EasyLanguageKnowledge		May 17, 2026
Make it pretty. CookedLanguageKnowledge		May 17, 2026
Comparisons EasyLanguageKnowledge		May 17, 2026
Regex? I know this word! 2 HardLanguageKnowledge		May 17, 2026
What are __slots__? EasyLanguageKnowledge		May 17, 2026
Illogical Infinity MediumLanguageKnowledge		May 17, 2026
Regex? I know this word! MediumLanguageKnowledge		May 17, 2026
Outcast HardLanguageKnowledge		May 17, 2026
Wannabe 2 MediumLanguageKnowledge		May 16, 2026
Ouroboros 6 CrackedLanguageKnowledge		May 16, 2026
Ouroboros 5 MediumLanguageKnowledge		May 16, 2026
Lord of Dot CrackedLanguageKnowledge		May 16, 2026
Screw the protocol! MediumLanguageKnowledge		May 16, 2026
Quantum Defaults MediumLanguageKnowledge		May 16, 2026
How do you call a deaf person? MediumLanguageKnowledge		May 16, 2026
Ouroboros 3 HardLanguageKnowledge		May 16, 2026
Ouroboros 2 HardLanguageKnowledge		May 16, 2026
Memory is all you need HardLanguageKnowledge		May 16, 2026
Class is in functional session MediumLanguageKnowledge		May 16, 2026
Put on chains MediumLanguageKnowledge		May 16, 2026
Pointers in Python HardLanguageKnowledge		May 16, 2026
Remove it from me. MediumLanguageKnowledge		May 16, 2026
Either lower or uppercase EasyLanguageKnowledge		May 16, 2026
Printing the printer. EasyLanguageKnowledge		May 16, 2026
Thread-Safe Kernel Counter EasyConcurrency46.2ms		May 4, 2026
Realized Volatility Calculator EasyProbabilityStatistics107.7ms		May 4, 2026
Packet Latency Tracker EasyNetworking71.1ms		May 4, 2026
Peak GPU Memory Usage EasyLanguageKnowledge45.6ms		May 4, 2026
Volume-Weighted Median Price EasyFinance74.8ms		May 4, 2026
Triangular Arbitrage Detection EasyFinance73.2ms		May 4, 2026
Solarpunk EasyLanguageKnowledge		May 4, 2026
Your code doesn't look like mine EasyLanguageKnowledge		May 4, 2026
tupleware EasyLanguageKnowledge		May 4, 2026
Assign to what? MediumLanguageKnowledge		May 4, 2026
Mutual friends HardLanguageKnowledge		May 4, 2026
Fair Coin Run Length EasyProbabilityStatistics44.3ms		May 3, 2026
Order Book Spread CookedFinance44.9ms		May 3, 2026
Kelly Criterion Bet Sizing CookedFinance86.7ms		May 3, 2026
Keep it moving (averages) CookedLanguageKnowledge127.8ms		May 3, 2026
Ouroboros 1 HardLanguageKnowledge		May 3, 2026
My snake ate my trash MediumLanguageKnowledge		May 3, 2026
I have a small dict 3 EasyLanguageKnowledge		May 3, 2026
GIL EasyLanguageKnowledge		May 2, 2026
Traffic light stop MediumPuzzles		Apr 29, 2026
What DataFrame? CookedStatisticsAndDataAnalysis		Apr 29, 2026
Linear Regression Basics CookedProbabilityStatistics		Apr 29, 2026
Forever single HardLanguageKnowledge		Apr 28, 2026
Give me a hint! MediumLanguageKnowledge		Apr 28, 2026
Unpack the pops MediumLanguageKnowledge		Apr 28, 2026
Import test.py MediumLanguageKnowledge		Apr 28, 2026
Slash slash EasyLanguageKnowledge		Apr 28, 2026
Strings in Python EasyLanguageKnowledge		Apr 28, 2026
Understand your environment CookedLanguageKnowledge		Apr 28, 2026
Wheel file MediumLanguageKnowledge		Apr 27, 2026
Multiple Assignment EasyLanguageKnowledge		Apr 27, 2026
Simple Type EasyLanguageKnowledge		Apr 27, 2026
type of { } CookedLanguageKnowledge		Apr 27, 2026
Present your id EasyLanguageKnowledge		Apr 27, 2026
Know your math HardLanguageKnowledge		Apr 27, 2026
import this MediumLanguageKnowledge		Apr 27, 2026
get ref MediumLanguageKnowledge		Apr 27, 2026
Slice and dice 1 EasyLanguageKnowledge		Apr 27, 2026
Wannabe EasyLanguageKnowledge		Apr 27, 2026
range(0, round(π)) + 1 MediumLanguageKnowledge		Apr 27, 2026
GILty pleasure EasyLanguageKnowledge		Apr 27, 2026
Hash Collisions HardLanguageKnowledge		Apr 27, 2026
sorted() vs sort() MediumLanguageKnowledge		Apr 27, 2026
Small Numbers MediumLanguageKnowledge		Apr 27, 2026
Shallow Copy MediumLanguageKnowledge		Apr 27, 2026
So, where is X stored? MediumLanguageKnowledge		Apr 27, 2026
Take your place! HardLanguageKnowledge		Apr 27, 2026
Exception Unwinding MediumLanguageKnowledge		Apr 27, 2026
Zero Division Error MediumLanguageKnowledge		Apr 27, 2026
Using namespace std; MediumLanguageKnowledge		Apr 27, 2026
Generate Trade ID's CookedLanguageKnowledge256.3ms		Apr 26, 2026
Many Expected Returns? CookedLanguageKnowledge130.1ms		Apr 26, 2026
"Hello" EasyLanguageKnowledge		Apr 26, 2026
Set the Record Straight CookedLanguageKnowledge		Apr 26, 2026
So, how big is X? MediumLanguageKnowledge		Apr 26, 2026
A Slice of Confusion EasyLanguageKnowledge		Apr 26, 2026
Cereal printer EasyLanguageKnowledge		Apr 26, 2026
Dunder Dunder Dunder CookedLanguageKnowledge		Apr 26, 2026
Walrus CookedLanguageKnowledge		Apr 26, 2026
In Python... CookedLanguageKnowledge		Apr 26, 2026
Is Python...? CookedLanguageKnowledge		Apr 26, 2026
I love big numbers MediumLanguageKnowledge		Apr 26, 2026
del and __del__ CrackedLanguageKnowledge		Apr 26, 2026
So, where is 1,000 stored? EasyLanguageKnowledge		Apr 26, 2026
The Loop's Last Laugh HardLanguageKnowledge		Apr 26, 2026
**args EasyLanguageKnowledge		Apr 26, 2026
Zip it EasyLanguageKnowledge		Apr 26, 2026
tuple vs list EasyLanguageKnowledge		Apr 26, 2026
Ouroboros 4 MediumLanguageKnowledge		Apr 26, 2026
Default Floating Point EasyLanguageKnowledge		Apr 26, 2026
The country of Python's GDP CookedLanguageKnowledge		Apr 26, 2026
What does Tom do? CookedLanguageKnowledge		Apr 26, 2026

Completed Quizzes

Title	Score	Date
Junior Quantitative Developer Quiz Easy	30	Jul 5, 2026
Intern Quantitative Trader Quiz Easy	12.43	Jul 5, 2026