Problems by Per Austrin

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
#exclude<scoring>0.027872783943%9.1Harden
A Different List Game0.0035389766727%8.9Harden
A List Game0.00516831503030%2.6Easyen
A Real Challenge0.005254331017640%1.8Easyen
AI Jeopardy0.02145115817115%6.6Harden
Ace Arbiter0.00200216346622%5.5Harden
All Just A Dream0.022483965103226%5.4Mediumen
All Pairs Shortest Path0.0042721876431220%4.0Mediumen
Apparatus0.0128898426427%6.0Harden
Archaeological Recovery0.022862612541%6.6Harden
Assassins0.0130490525228%6.6Harden
Barking Up The Wrong Tree0.00206280111214%9.2Harden
Best Before0.00304170149229%3.8Mediumen
Best Compression Ever0.0053041138646%2.6Easyen
Bilateral Projects0.00148751214729%6.4Harden
Bling0.092601138118%8.2Harden
Calculator0.0054196148135%3.2Mediumen
Cars0.008265537413%7.7Harden
Cat Coat Colors0.001140111634331%6.0Harden
Cat vs. Dog0.00351206262931%5.1Mediumen
Catalan Numbers0.0054931185638%3.1Mediumen
Cheating Luck0.0061565516926%7.9Harden
Cheering Game0.00108040113935%6.7Harden
Chinese Remainder0.0056334179528%3.6Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.0054430160436%3.4Mediumen
Chopping Wood0.012764682181939%3.3Mediumen
Closest Pair0.055729784186619%6.4Harden
Closest Pair (Uniform)0.035708956256929%4.4Mediumen
Collapse0.03405130850138%3.3Mediumen
Color Codes0.019861273225%8.6Harden
Convex Hull0.0159616398438027%3.6Mediumen
DEX Save0.004512107837%4.1Mediumen
Death and Taxes0.00235216471633%3.1Mediumen
Deceptive Directions0.03681137231723%6.2Harden
Disgruntled Judge0.0033145923251%3.5Mediumen
Dominant Strings0.02624309835712%8.6Harden
Dungeon Dawdler0.0548892302410%8.0Harden
Dyson Circle0.0115133212237%6.2Harden
Easter Eggs0.1713663665314%8.9Harden
Eulerian Path0.016174918143429%4.5Mediumen
Event Planning0.0054088171042%2.4Easyen
Exam Redistribution0.00902262119853%2.5Easyen
Exponial0.005147828219%5.5Harden
Fenwick Tree0.5720216252462528%3.6Mediumen
Fixing the Bugs0.0588644211626%6.9Harden
Fleecing the Raffle0.0076229163928%4.0Mediumen
Flight Plan Evaluation0.0016192928328%7.1Harden
Flight Safety0.1227281031313%7.5Harden
Gaggle0.085401585233%7.7Harden
Get Shorty0.0132822706481221%3.1Mediumen
Graduation Guarantee0.04207131342733%3.7Mediumen
Hot Hike0.00806873346350%1.9Easyen
House of Cards0.005251188635%3.5Mediumen
Imperial Measurement0.001474091153137%2.5Easyen
Interception0.4637171371813%7.6Harden
Interval Cover0.033438427197923%5.2Mediumen
Just A Few More Triangles!0.0245149417034%6.1Harden
Kattis' Little Helpers0.153568901820%7.1Harden
Kitchen Combinatorics0.00403144548033%4.8Mediumen
Knapsack0.0128222066573026%3.6Mediumen
Ladder0.005223451195754%1.5Easyen
Line Segment Distance0.004042505102741%3.6Mediumen
Line Segment Intersection0.006895363120122%6.1Harden
Linear Equation Solver0.018923745111430%5.2Mediumen
Linear Recurrences0.03476160962939%4.8Mediumen
Lines Of Action0.0152344936%7.1Harden
Longest Increasing Subsequence0.032809289305433%3.8Mediumen
Maximum Flow0.0140215709462129%4.1Mediumen
Maximum Number of Colinear Points0.033763092124040%3.1Mediumen
Meow Factor0.0054836122125%3.4Mediumen
Meow Factor 20.0219272617424%5.8Harden
Methodic Multiplication0.0052897181863%1.5Easyen
Minimum Cost Maximum Flow0.0113774373159436%4.9Mediumen
Minimum Cut0.017303460141941%3.2Mediumen
Minimum Spanning Tree0.0335616779455827%3.2Mediumen
Modular Arithmetic0.001883874184548%2.8Mediumen
Moving to Nuremberg0.0879855813624%5.3Mediumen
Odometer Analysis0.00111112843%9.3Harden
Organising the Organisation0.019703107023%5.6Harden
Partial Linear Equation Solver0.011070217642620%7.1Harden
Peer Streaming0.0413002083517%6.9Harden
Pitch Performance0.0012051483826%5.8Harden
Pizza Problems0.0610662585521%6.9Harden
Playlist0.30125191113214%6.8Harden
Point in Polygon0.003785796156027%4.7Mediumen
Polygon Area0.001187462310842%2.0Easyen
Polynomial Multiplication 10.001213129174956%1.8Easyen
Polynomial Multiplication 20.045944376175140%5.2Mediumen
Power Signs0.005191293023%7.6Harden
Primary Register0.00802096128461%2.3Easyen
Prime Sieve0.0023614303454532%4.2Mediumen
Proving Equivalences0.027406156140623%3.9Mediumen
Rational Arithmetic0.00647356230231%3.1Mediumen
Riddle of the Sphinx0.0016382228034%3.1Mediumen
SMS Typing0.191722107818417%8.3Harden
Shovelling Snow0.011795134015211%8.3Harden
Shovelling Snow0.0127934757516%8.9Harden
Single source shortest path, negative weights0.0039615080357924%3.2Mediumen
Single source shortest path, non-negative weights0.0133128933911732%2.6Easyen
Single source shortest path, time table0.013787740248132%2.7Easyen