Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Add Two Numbers0.006202741925995%1.2Easyen
Adding Words0.001875842456378%3.0Mediumen
All Different Directions0.001971234106086%2.7Easyen
BASIC Interpreter0.0042260044474%5.1Mediumen
Bag of Tiles0.0225458445478%4.8Mediumen
Birthday Paradox0.0024914711679%5.3Mediumen
Bounding Robots0.002442179202093%2.1Easyen
Cellular Merging0.011602271141%8.7Harden
Charting Progress0.00851579144692%2.2Easyen
Chatter0.1061126922885%4.0Mediumen
Checking For Correctness0.005479866583%3.9Mediumen
Connect the Dots0.0057671362087%3.5Mediumen
Convex Polygon Area0.001081485137793%2.0Easyen
Counting Stars0.002554138351285%2.5Easyen
DNA Similarity0.01386242292%3.2Mediumen
Dart Scoring0.0063641935484%3.6Mediumen
Das Blinkenlights0.00453297308193%1.6Easyen
Deduplicating Files0.012451483114677%3.9Mediumen
Detailed Differences0.0051111231070996%1.4Easyen
Dicey Frequencies0.01340141179%4.3Mediumen
Different Distances0.00783187299194%2.2Easyen
Echo Echo Echo0.006187461802496%1.2Easyen
Engineering English0.00383244278086%2.7Easyen
Enlarging Hash Tables0.001361304113687%2.6Easyen
Erdős Numbers0.0026140732079%4.4Mediumen
Escape Plan0.0171936627776%5.3Mediumen
Estimating the Area of a Circle0.00494505427095%1.5Easyen
Five, Six, Pick Up Sticks; Seven, Eight, Lay Them Straight0.00179171588%3.7Mediumen
Forest Fires0.177731209680%3.9Mediumen
Fouled files0.0032474391%3.4Mediumen
Functional Fun0.0036783377793%2.1Easyen
Fundamental Neighbors0.0011673362786%2.9Mediumen
Generalized Recursive Functions0.0228044437184%4.4Mediumen
Genetic Search0.0021396886990%2.9Mediumen
Gerrymandering0.001832141205796%1.6Easyen
Golomb Rulers0.0127578870189%2.7Easyen
Hall O' Wee Mirrors0.003391098477%4.7Mediumen
Heliocentric0.00892200203492%2.2Easyen
Hitting the Targets0.001732095197594%1.6Easyen
How Many Digits?0.00712296182079%3.3Mediumen
Hurricane Danger!0.0019950843285%3.3Mediumen
Image Decoding0.00261118996881%3.0Mediumen
Island Hopping0.012571916170689%2.4Easyen
Juggling Patterns0.0023449836974%4.9Mediumen
Limited Correspondence0.0186719012666%6.6Harden
Loopy Cab Drivers0.0195815312280%5.9Harden
Loopy Transit0.0034522218583%3.6Mediumen
Managing Packaging0.0140038128274%4.5Mediumen
Mandelbrot0.001031191103487%2.7Easyen
Matrix Inverse0.00931619136184%2.9Mediumen
Maximizing (And Minimizing) Your Winnings0.0736334930287%3.8Mediumen
Maximizing Your Pay0.0048421116377%5.1Mediumen
Maze Movement0.0296268560388%3.1Mediumen
Metaprogramming0.00971728153489%2.0Easyen
Missing Numbers0.00565405500693%1.7Easyen
Multi-Touch Gesture Classification0.002526453067%7.0Harden
Music Your Way0.001511452134893%1.7Easyen
Musical Notation0.0012386179793%2.2Easyen
Name That Permutation0.0011139633184%4.2Mediumen
Notable Quotables0.001300401948%7.6Harden
Oddities0.0038243092333196%1.4Easyen
Out of Context0.021267251352%7.1Harden
Pachinko Probability0.0054020817182%5.1Mediumen
Pachyderm Peanut Packing0.0026591382891%2.8Mediumen
Page Layout0.0231035729282%5.6Harden
Parallel Analysis0.0810217714884%4.5Mediumen
Parsing Hex0.00361363119788%2.5Easyen
Permutation Encryption0.001872124187088%2.1Easyen
Polish Notation0.0012265350778%4.6Mediumen
Preludes0.001151639152393%2.0Easyen
Primal Representation0.0211977963481%3.0Mediumen
Prime Reduction0.031601561137588%2.4Easyen
Prime Spiral0.0066633728986%3.5Mediumen
Quick Estimates0.00188550810495%1.8Easyen
Quite a Problem0.00312474225391%2.1Easyen
Race Day0.0057923219785%3.6Mediumen
Random Walking in a Winter Wonderland0.14109111655%6.1Harden
Reachable Roads0.002663004276892%1.8Easyen
RectSect0.00175232191%3.8Mediumen
Reversing Roads0.0090496880283%3.3Mediumen
Robot Protection0.0128671364691%2.5Easyen
Saving Daylight0.00761981179290%2.2Easyen
Secure Doors0.00814413407892%1.7Easyen
Self-Similar Strings0.0214739835288%3.0Mediumen
Selling Spatulas0.0045860437963%6.5Harden
Sierpiński Circumference0.0060113699688%3.0Mediumen
Sneak Attack0.00970683247%8.4Harden
Sort Two Numbers0.006151661450796%1.2Easyen
Sort of Sorting0.00469529861190%1.6Easyen
Statistics0.00697284671492%1.6Easyen
Stirling's Approximation0.008635429383%4.2Mediumen
Structural Differences0.00555362056%6.9Harden
Substring Switcheroo0.2657625020080%5.4Mediumen
Sudokunique0.01142427413549%8.2Harden
Support Vector Machine0.029535426976%3.5Mediumen
Surveillance Squared0.01270805164%6.3Harden
Synchronizing Lists0.001085102482995%1.6Easyen
Texture Analysis0.00701817152684%3.8Mediumen
The Rectangles Are Surrounding Us!0.0012378467886%2.5Easyen
Transportation Planning0.03115723019384%4.3Mediumen