Problems by Per Austrin

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
#exclude<scoring>0.02785696345%9.1Harden
A Different List Game0.00353124826121%8.9Harden
A List Game0.00185080425984%2.9Mediumen
A Real Challenge0.00610361939791%1.7Easyen
AI Jeopardy0.0214517710760%6.6Harden
Ace Arbiter0.0020051937773%5.7Harden
All Just A Dream0.0224875657776%5.4Mediumen
All Pairs Shortest Path0.004272850207473%3.9Mediumen
Apparatus0.0128823717172%5.9Harden
Archaeological Recovery0.0228629444%6.5Harden
Assassins0.0123227015256%6.5Harden
Barking Up The Wrong Tree0.0020621232823%9.2Harden
Best Before0.0030447140686%3.7Mediumen
Best Compression Ever0.00291292117191%2.6Easyen
Bilateral Projects0.0014871209478%6.5Harden
Bling0.09260119526%8.3Harden
Calculator0.00271386113882%3.1Mediumen
Cars0.00826814859%7.6Harden
Cat Coat Colors0.00114034225775%6.0Harden
Cat vs. Dog0.0035151637072%5.0Mediumen
Catalan Numbers0.00621436119583%3.1Mediumen
Cheating Luck0.006151238468%7.8Harden
Cheering Game0.001080886978%6.7Harden
Chinese Remainder0.001011271101180%3.3Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.00161116197884%3.2Mediumen
Chopping Wood0.01252103391789%3.5Mediumen
Closest Pair0.05572123865553%6.2Harden
Closest Pair (Uniform)0.03312114582072%3.5Mediumen
Collapse0.0340537532787%3.3Mediumen
Color Codes0.01986281554%7.9Harden
Convex Hull0.015963063226274%3.3Mediumen
DEX Save0.00451786685%4.3Mediumen
Death and Taxes0.0023564958089%3.2Mediumen
Deceptive Directions0.0368139427369%6.2Harden
Disgruntled Judge0.0033120218089%3.5Mediumen
Dominant Strings0.0262434114743%8.5Harden
Dungeon Dawdler0.05488920945%7.9Harden
Dyson Circle0.0115113911180%6.4Harden
Easter Eggs0.171366401948%8.8Harden
Eulerian Path0.0161772257480%4.4Mediumen
Event Planning0.001071668151091%2.4Easyen
Exam Redistribution0.00901165107192%2.4Easyen
Exponial0.0035232023874%5.4Mediumen
Fenwick Tree0.572022545206781%3.8Mediumen
Fixing the Bugs0.05886774558%6.9Harden
Fleecing the Raffle0.007652345286%4.0Mediumen
Flight Plan Evaluation0.001619805974%7.6Harden
Flight Safety0.12272820840%8.0Harden
Gaggle0.08540493571%6.9Harden
Get Shorty0.013283426285983%3.1Mediumen
Graduation Guarantee0.0420734629986%3.7Mediumen
Hot Hike0.00803195292792%1.9Easyen
House of Cards0.002384070584%3.6Mediumen
Imperial Measurement0.001471412129592%2.6Easyen
Interception0.463717311342%7.7Harden
Interval Cover0.03343105680276%5.0Mediumen
Just A Few More Triangles!0.0245116412576%6.2Harden
Kattis' Little Helpers0.133568251144%7.1Harden
Kitchen Combinatorics0.0040334028584%4.7Mediumen
Knapsack0.012823655276376%3.6Mediumen
Ladder0.0035115521103195%1.5Easyen
Line Segment Distance0.0040471460885%3.5Mediumen
Line Segment Intersection0.0068973753873%5.9Harden
Linear Equation Solver0.0189249037877%5.1Mediumen
Linear Recurrences0.0347631426183%4.8Mediumen
Lines Of Action0.01523412217%7.1Harden
Longest Increasing Subsequence0.032802221161373%3.2Mediumen
Maximum Flow0.014021945146675%4.1Mediumen
Maximum Number of Colinear Points0.0337168958885%3.1Mediumen
Meow Factor0.0038106990284%3.5Mediumen
Meow Factor 20.0219217111768%5.7Harden
Methodic Multiplication0.00431654158696%1.6Easyen
Minimum Cost Maximum Flow0.01137762251082%4.8Mediumen
Minimum Cut0.0173089676786%3.1Mediumen
Minimum Spanning Tree0.033562652218082%3.1Mediumen
Modular Arithmetic0.001881225106087%2.7Easyen
Moving to Nuremberg0.087981269676%4.9Mediumen
Odometer Analysis0.00111125520%9.0Harden
Organising the Organisation0.01970443375%5.6Harden
Partial Linear Equation Solver0.01107028217562%7.1Harden
Peer Streaming0.041300332164%6.9Harden
Pitch Performance0.001205473779%5.5Harden
Pizza Problems0.06933603355%6.8Harden
Playlist0.3012511045149%6.1Harden
Point in Polygon0.0037898276778%4.6Mediumen
Polygon Area0.001182472218588%2.0Easyen
Polynomial Multiplication 10.001201400131694%1.8Easyen
Polynomial Multiplication 20.0459477254470%5.1Mediumen
Power Signs0.00519362158%7.6Harden
Primary Register0.00801212110691%2.4Easyen
Prime Sieve0.002362681197774%4.2Mediumen
Proving Equivalences0.02740110789881%3.9Mediumen
Rational Arithmetic0.00641589135585%3.1Mediumen
Riddle of the Sphinx0.0012717214685%3.2Mediumen
SMS Typing0.1917221085248%8.4Harden
Shovelling Snow0.0119231164942%8.4Harden
Shovelling Snow0.011138783545%8.5Harden
Single source shortest path, negative weights0.003962017157978%3.1Mediumen
Single source shortest path, non-negative weights0.013314741396684%2.6Easyen
Single source shortest path, time table0.013781380120387%2.7Easyen