Problems by Per Austrin

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
#exclude<scoring>0.03833827304%9.1Harden
A Different List Game0.0035384705947%9.1Harden
A List Game0.00515032450630%2.9Mediumen
A Real Challenge0.00519387837243%2.1Easyen
AI Jeopardy0.0214596413614%6.8Harden
Ace Arbiter0.00200164638223%5.0Mediumen
All Just A Dream0.05248373298026%5.7Harden
All Pairs Shortest Path0.0042719165374620%5.7Harden
Apparatus0.0128892424827%6.0Harden
Archaeological Recovery----300%5.9Harden
Assassins0.0230480522528%6.9Harden
Barking Up The Wrong Tree0.0023444155714%9.6Harden
Best Before0.00304139442731%3.8Mediumen
Best Compression Ever0.0052750130347%2.6Easyen
Bilateral Projects0.00148742413131%6.5Harden
Bling0.2526014848%8.6Harden
Calculator0.0053673132736%3.0Mediumen
Cars0.008264826614%7.9Harden
Cat Coat Colors0.00114075826535%3.1Mediumen
Cat vs. Dog0.00351180552829%6.0Harden
Catalan Numbers0.0054255162038%3.6Mediumen
Cheating Luck0.0061561116227%7.8Harden
Cheering Game0.00108035213238%6.6Harden
Chinese Remainder0.0055685156728%4.7Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.0053874140636%4.0Mediumen
Chopping Wood0.012764166167240%3.2Mediumen
Closest Pair0.0610997501139019%7.4Harden
Closest Pair (Uniform)0.055708058220727%4.6Mediumen
Collapse0.03405113845840%3.4Mediumen
Color Codes0.011042852934%8.0Harden
Convex Hull0.0164414106371826%4.3Mediumen
DEX Save0.006001356044%5.3Mediumen
Death and Taxes0.00235188262033%3.3Mediumen
Deceptive Directions0.03681127729923%6.3Harden
Disgruntled Judge0.0033137220555%3.6Mediumen
Dominant Strings0.03624285031511%8.8Harden
Dungeon Dawdler0.0548892202411%8.0Harden
Dyson Circle0.0215122910345%5.6Harden
Easter Eggs0.1713663384814%8.9Harden
Eulerian Path0.016174333126129%5.6Harden
Event Planning0.0053405147143%2.3Easyen
Exam Redistribution0.00902013110355%2.4Easyen
Exponial0.005118824320%5.3Mediumen
Fenwick Tree0.5720213411380328%4.2Mediumen
Fixing the Bugs0.058863799926%7.3Harden
Fleecing the Raffle0.0076198357029%4.3Mediumen
Flight Plan Evaluation0.0016191948041%6.7Harden
Flight Safety0.122728691319%7.4Harden
Gaggle0.085401215142%6.9Harden
Get Shorty0.0132822123461321%3.5Mediumen
Graduation Guarantee0.0820798732833%3.7Mediumen
Hot Hike0.00805748292651%1.9Easyen
House of Cards0.005205374836%3.6Mediumen
Imperial Measurement0.001473303131340%2.1Easyen
Interception0.463717961212%8.4Harden
Interval Cover0.034157664184624%5.1Mediumen
Just A Few More Triangles!0.0269241415437%6.2Harden
Kattis' Little Helpers0.193568341029%7.6Harden
Kitchen Combinatorics0.00403129143534%5.2Mediumen
Knapsack0.0135218449473926%4.4Mediumen
Ladder0.005202821125756%1.5Easyen
Line Segment Distance0.00871210285040%4.3Mediumen
Line Segment Intersection0.006894546100822%6.8Harden
Linear Equation Solver0.018923459102130%6.2Harden
Linear Recurrences0.03749137154240%5.0Mediumen
Lines Of Action0.0152343539%7.0Harden
Longest Increasing Subsequence0.032857859265634%5.1Mediumen
Maximum Flow0.0140213857411430%4.4Mediumen
Maximum Number of Colinear Points0.04376262398938%4.5Mediumen
Meow Factor0.0054049104326%3.2Mediumen
Meow Factor 20.0219250612525%6.6Harden
Methodic Multiplication0.0052521160164%1.6Easyen
Minimum Cost Maximum Flow0.0113773918146137%5.0Mediumen
Minimum Cut0.0110763122127041%3.6Mediumen
Minimum Spanning Tree0.0435615119397926%4.6Mediumen
Modular Arithmetic0.002173271156848%3.0Mediumen
Moving to Nuremberg0.0879850812725%5.7Harden
Odometer Analysis0.0013964736%9.0Harden
Organising the Organisation0.0110452505622%5.8Harden
Partial Linear Equation Solver0.011452201838819%7.5Harden
Peer Streaming0.0413001743420%6.9Harden
Pitch Performance0.0012051033635%5.0Mediumen
Pizza Problems0.0610662045225%6.6Harden
Playlist0.3012516478613%7.9Harden
Point in Polygon0.003785330139026%5.7Harden
Polygon Area0.001186761275141%2.6Easyen
Polynomial Multiplication 10.001212918161355%1.9Easyen
Polynomial Multiplication 20.045944017160640%6.0Harden
Power Signs0.00519832530%8.3Harden
Primary Register0.00801869118864%2.2Easyen
Prime Sieve0.0026612800415332%4.9Mediumen
Proving Equivalences0.027634779110323%5.8Harden
Rational Arithmetic0.00646667209931%3.4Mediumen
Riddle of the Sphinx0.00389843946%4.2Mediumen
SMS Typing0.191722102317317%8.4Harden
Shovelling Snow0.011923127813811%8.3Harden
Shovelling Snow0.0128933725415%8.7Harden
Single source shortest path, negative weights0.0139613227300823%4.3Mediumen
Single source shortest path, non-negative weights0.0233125555799831%3.0Mediumen
Single source shortest path, time table0.013786996216631%3.7Mediumen