Problems by Per Austrin

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
#exclude<scoring>0.027852941973%9.1Harden
A Different List Game0.0035390086737%8.9Harden
A List Game0.00516885505530%2.5Easyen
A Real Challenge0.005255251020640%1.8Easyen
AI Jeopardy0.02145115817115%6.5Harden
Ace Arbiter0.00200216846621%5.5Harden
All Just A Dream0.022483977103126%5.5Harden
All Pairs Shortest Path0.0042721992433320%3.9Mediumen
Apparatus0.0128898826627%5.9Harden
Archaeological Recovery0.022862612541%6.5Harden
Assassins0.0123290725428%6.5Harden
Barking Up The Wrong Tree0.00206284311213%9.2Harden
Best Before0.00304170549329%3.7Mediumen
Best Compression Ever0.0053045138946%2.6Easyen
Bilateral Projects0.00148752615229%6.2Harden
Bling0.092601138118%8.1Harden
Calculator0.0054205148635%3.1Mediumen
Cars0.008265547413%7.7Harden
Cat Coat Colors0.001140114434330%6.0Harden
Cat vs. Dog0.00351207362930%5.1Mediumen
Catalan Numbers0.0054938185938%3.1Mediumen
Cheating Luck0.0061567517025%7.7Harden
Cheering Game0.00108041014034%6.3Harden
Chinese Remainder0.0056374181829%3.5Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.0054472162836%3.3Mediumen
Chopping Wood0.012764696182439%3.4Mediumen
Closest Pair0.055729847187619%6.3Harden
Closest Pair (Uniform)0.035708961257429%4.3Mediumen
Collapse0.03405131250538%3.3Mediumen
Color Codes0.019861283225%8.6Harden
Convex Hull0.0159616492440427%3.5Mediumen
DEX Save0.004512117837%4.2Mediumen
Death and Taxes0.00235217571833%3.1Mediumen
Deceptive Directions0.03681137331723%6.1Harden
Disgruntled Judge0.0033146023250%3.5Mediumen
Dominant Strings0.02624311735711%8.5Harden
Dungeon Dawdler0.0548892312410%7.9Harden
Dyson Circle0.0115133312237%6.2Harden
Easter Eggs0.1713664055313%8.9Harden
Eulerian Path0.016174925143529%4.5Mediumen
Event Planning0.0054091171342%2.3Easyen
Exam Redistribution0.00902268119853%2.5Easyen
Exponial0.005148828519%5.3Mediumen
Fenwick Tree0.5720216289463028%3.6Mediumen
Fixing the Bugs0.0588644311626%6.8Harden
Fleecing the Raffle0.0076229964228%4.0Mediumen
Flight Plan Evaluation0.0016192988328%7.2Harden
Flight Safety0.1227281041312%7.4Harden
Gaggle0.085401595233%7.6Harden
Get Shorty0.0132822714481521%3.0Mediumen
Graduation Guarantee0.04207131442732%3.7Mediumen
Hot Hike0.00806908347950%1.9Easyen
House of Cards0.005251288735%3.4Mediumen
Imperial Measurement0.001474096153037%2.6Easyen
Interception0.4637171431813%7.8Harden
Interval Cover0.033438466198623%5.2Mediumen
Just A Few More Triangles!0.0245150717034%6.3Harden
Kattis' Little Helpers0.153568911820%7.0Harden
Kitchen Combinatorics0.00403144648133%4.7Mediumen
Knapsack0.0128222115574226%3.6Mediumen
Ladder0.005223961197453%1.5Easyen
Line Segment Distance0.004042566104941%3.5Mediumen
Line Segment Intersection0.006895515123422%5.9Harden
Linear Equation Solver0.018923750111730%5.1Mediumen
Linear Recurrences0.03476161363139%4.7Mediumen
Lines Of Action0.0152345036%7.1Harden
Longest Increasing Subsequence0.032809315306733%3.9Mediumen
Maximum Flow0.0140215732462729%4.0Mediumen
Maximum Number of Colinear Points0.033713142126140%3.1Mediumen
Meow Factor0.0054866122825%3.5Mediumen
Meow Factor 20.0219272717424%5.8Harden
Methodic Multiplication0.0052907182563%1.5Easyen
Minimum Cost Maximum Flow0.0113774381160037%4.7Mediumen
Minimum Cut0.017303485143241%3.2Mediumen
Minimum Spanning Tree0.0335616884459127%3.1Mediumen
Modular Arithmetic0.001883894185648%2.7Easyen
Moving to Nuremberg0.0879856213724%5.1Mediumen
Odometer Analysis0.00111112943%9.3Harden
Organising the Organisation0.019703217122%5.1Mediumen
Partial Linear Equation Solver0.011070218542920%7.1Harden
Peer Streaming0.0413002243616%6.1Harden
Pitch Performance0.0012051493826%5.8Harden
Pizza Problems0.0610662705520%7.1Harden
Playlist0.30125195713414%6.7Harden
Point in Polygon0.003785811156427%4.7Mediumen
Polygon Area0.001187492311742%2.0Easyen
Polynomial Multiplication 10.001213132175156%1.8Easyen
Polynomial Multiplication 20.045944384175640%5.2Mediumen
Power Signs0.005191323123%6.8Harden
Primary Register0.00802101128861%2.3Easyen
Prime Sieve0.0023614331455232%4.2Mediumen
Proving Equivalences0.027406186141623%3.8Mediumen
Rational Arithmetic0.00647378231331%3.1Mediumen
Riddle of the Sphinx0.0012785929935%3.1Mediumen
SMS Typing0.191722108818417%8.4Harden
Shovelling Snow0.011795135315211%8.3Harden
Shovelling Snow0.0127934847515%8.9Harden
Single source shortest path, negative weights0.0039615144359424%3.2Mediumen
Single source shortest path, non-negative weights0.0133129019914732%2.5Easyen
Single source shortest path, time table0.013787759249132%2.7Easyen