Problems by Per Austrin

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
#exclude<scoring>0.027872783943%9.1Harden
A Different List Game0.0035389886727%8.9Harden
A List Game0.00516832503130%2.7Easyen
A Real Challenge0.005254521018240%1.8Easyen
AI Jeopardy0.02145115817115%6.6Harden
Ace Arbiter0.00200216546622%5.5Harden
All Just A Dream0.022483973103226%5.4Mediumen
All Pairs Shortest Path0.0042721878431220%4.1Mediumen
Apparatus0.0128898826627%5.9Harden
Archaeological Recovery0.022862612541%6.6Harden
Assassins0.0123290725428%6.5Harden
Barking Up The Wrong Tree0.00206281711214%9.2Harden
Best Before0.00304170149229%3.7Mediumen
Best Compression Ever0.0053041138646%2.6Easyen
Bilateral Projects0.00148751815229%6.1Harden
Bling0.092601138118%8.2Harden
Calculator0.0054196148135%3.2Mediumen
Cars0.008265537413%7.7Harden
Cat Coat Colors0.001140112234331%6.0Harden
Cat vs. Dog0.00351206262931%5.1Mediumen
Catalan Numbers0.0054933185738%3.1Mediumen
Cheating Luck0.0061566416925%7.9Harden
Cheering Game0.00108040413934%6.8Harden
Chinese Remainder0.0056334179528%3.6Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.0054441160836%3.4Mediumen
Chopping Wood0.012764682181939%3.3Mediumen
Closest Pair0.055729792186619%6.4Harden
Closest Pair (Uniform)0.035708960257329%4.4Mediumen
Collapse0.03405130850138%3.3Mediumen
Color Codes0.019861273225%8.6Harden
Convex Hull0.0159616413438027%3.6Mediumen
DEX Save0.004512107837%4.1Mediumen
Death and Taxes0.00235216671733%3.1Mediumen
Deceptive Directions0.03681137231723%6.2Harden
Disgruntled Judge0.0033145923251%3.5Mediumen
Dominant Strings0.02624311035711%8.6Harden
Dungeon Dawdler0.0548892302410%7.9Harden
Dyson Circle0.0115133212237%6.2Harden
Easter Eggs0.1713664015313%8.9Harden
Eulerian Path0.016174918143429%4.5Mediumen
Event Planning0.0054088171042%2.4Easyen
Exam Redistribution0.00902262119853%2.5Easyen
Exponial0.005148628419%5.4Mediumen
Fenwick Tree0.5720216252462528%3.6Mediumen
Fixing the Bugs0.0588644211626%6.9Harden
Fleecing the Raffle0.0076229163928%4.0Mediumen
Flight Plan Evaluation0.0016192958328%7.2Harden
Flight Safety0.1227281031313%7.5Harden
Gaggle0.085401585233%7.7Harden
Get Shorty0.0132822714481521%3.0Mediumen
Graduation Guarantee0.04207131342733%3.7Mediumen
Hot Hike0.00806875346550%1.9Easyen
House of Cards0.005251188635%3.5Mediumen
Imperial Measurement0.001474091153137%2.5Easyen
Interception0.4637171371813%7.6Harden
Interval Cover0.033438454198423%5.2Mediumen
Just A Few More Triangles!0.0245149617034%6.3Harden
Kattis' Little Helpers0.153568901820%7.1Harden
Kitchen Combinatorics0.00403144548033%4.8Mediumen
Knapsack0.0128222067573126%3.5Mediumen
Ladder0.005223521195954%1.5Easyen
Line Segment Distance0.004042512103241%3.6Mediumen
Line Segment Intersection0.006895380120322%6.1Harden
Linear Equation Solver0.018923745111430%5.2Mediumen
Linear Recurrences0.03476160962939%4.8Mediumen
Lines Of Action0.0152344936%7.1Harden
Longest Increasing Subsequence0.032809304305933%3.9Mediumen
Maximum Flow0.0140215712462229%4.0Mediumen
Maximum Number of Colinear Points0.033713106124440%3.1Mediumen
Meow Factor0.0054838122125%3.5Mediumen
Meow Factor 20.0219272617424%5.8Harden
Methodic Multiplication0.0052898181963%1.5Easyen
Minimum Cost Maximum Flow0.0113774373159436%4.9Mediumen
Minimum Cut0.017303473142841%3.2Mediumen
Minimum Spanning Tree0.0335616788456227%3.1Mediumen
Modular Arithmetic0.001883882184648%2.8Mediumen
Moving to Nuremberg0.0879855813624%5.3Mediumen
Odometer Analysis0.00111112843%9.3Harden
Organising the Organisation0.019703107023%5.6Harden
Partial Linear Equation Solver0.011070218442920%7.1Harden
Peer Streaming0.0413002113517%7.0Harden
Pitch Performance0.0012051483826%5.8Harden
Pizza Problems0.0610662585521%6.9Harden
Playlist0.30125191913214%6.9Harden
Point in Polygon0.003785797156127%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 Register0.00802097128561%2.3Easyen
Prime Sieve0.0023614314454732%4.2Mediumen
Proving Equivalences0.027406156140623%3.9Mediumen
Rational Arithmetic0.00647356230231%3.1Mediumen
Riddle of the Sphinx0.0016382228034%3.0Mediumen
SMS Typing0.191722108418417%8.4Harden
Shovelling Snow0.011795134315211%8.3Harden
Shovelling Snow0.0127934757516%8.9Harden
Single source shortest path, negative weights0.0039615094358224%3.1Mediumen
Single source shortest path, non-negative weights0.0133128937911932%2.5Easyen
Single source shortest path, time table0.013787740248132%2.7Easyen