Problems by Per Austrin

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
#exclude<scoring>0.038332413803%9.1Harden
A Different List Game0.0035388446367%9.0Harden
A List Game0.00516473491730%2.7Easyen
A Real Challenge0.00524753994640%1.7Easyen
AI Jeopardy0.02145110516915%6.5Harden
Ace Arbiter0.00200212745521%5.5Harden
All Just A Dream0.022483919102326%5.5Harden
All Pairs Shortest Path0.0042721477423120%4.4Mediumen
Apparatus0.0128896625927%6.1Harden
Archaeological Recovery0.022862602542%5.4Mediumen
Assassins0.0130485624028%6.6Harden
Barking Up The Wrong Tree0.00206276511215%9.2Harden
Best Before0.00304162347229%3.9Mediumen
Best Compression Ever0.0052971136146%2.5Easyen
Bilateral Projects0.00148749114229%6.7Harden
Bling0.2526016946%8.5Harden
Calculator0.0054020143736%3.0Mediumen
Cars0.008265287113%7.8Harden
Cat Coat Colors0.001140109233431%6.1Harden
Cat vs. Dog0.00351202761630%5.1Mediumen
Catalan Numbers0.0054863183138%3.2Mediumen
Cheating Luck0.0061563516326%8.0Harden
Cheering Game0.00108038313435%7.3Harden
Chinese Remainder0.0056206173828%3.8Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.0054272155936%3.4Mediumen
Chopping Wood0.012764569178839%3.3Mediumen
Closest Pair0.055729472180019%6.7Harden
Closest Pair (Uniform)0.035708740249629%4.5Mediumen
Collapse0.03405127449639%3.3Mediumen
Color Codes0.019861143228%8.6Harden
Convex Hull0.0159615842419026%4.3Mediumen
DEX Save0.004511807341%4.6Mediumen
Death and Taxes0.00235211769733%3.3Mediumen
Deceptive Directions0.03681135231223%6.2Harden
Disgruntled Judge0.0033143622552%3.6Mediumen
Dominant Strings0.02624306935211%8.6Harden
Dungeon Dawdler0.0548892302410%8.0Harden
Dyson Circle0.0115131712138%6.3Harden
Easter Eggs0.1713663665314%8.8Harden
Eulerian Path0.016174751138729%4.7Mediumen
Event Planning0.0054015167442%2.4Easyen
Exam Redistribution0.00902185118054%2.5Easyen
Exponial0.005136126419%5.5Harden
Fenwick Tree0.5720215898454229%3.7Mediumen
Fixing the Bugs0.0588641711127%6.9Harden
Fleecing the Raffle0.0076213159128%4.3Mediumen
Flight Plan Evaluation0.0016192778129%7.1Harden
Flight Safety0.122728901314%7.5Harden
Gaggle0.085401435236%7.0Harden
Get Shorty0.0132822617476721%3.3Mediumen
Graduation Guarantee0.08207126041833%3.7Mediumen
Hot Hike0.00806650335750%1.9Easyen
House of Cards0.005244086335%3.5Mediumen
Imperial Measurement0.001474025150137%2.6Easyen
Interception0.4637171211512%7.8Harden
Interval Cover0.033438272194624%5.2Mediumen
Just A Few More Triangles!0.0269246916134%6.2Harden
Kattis' Little Helpers0.153568711623%7.6Harden
Kitchen Combinatorics0.00403137546234%5.0Mediumen
Knapsack0.0128221402550326%4.5Mediumen
Ladder0.005220891185254%1.5Easyen
Line Segment Distance0.00404238597441%3.9Mediumen
Line Segment Intersection0.006895104113822%6.3Harden
Linear Equation Solver0.018923718110530%5.4Mediumen
Linear Recurrences0.03749157361939%4.9Mediumen
Lines Of Action0.0152344537%7.1Harden
Longest Increasing Subsequence0.032809080295833%4.6Mediumen
Maximum Flow0.0140215500456929%4.1Mediumen
Maximum Number of Colinear Points0.043762908115240%3.4Mediumen
Meow Factor0.0054759119725%3.5Mediumen
Meow Factor 20.0219268716925%5.7Harden
Methodic Multiplication0.0052773174463%1.6Easyen
Minimum Cost Maximum Flow0.0113774306157637%5.0Mediumen
Minimum Cut0.017303399139241%3.4Mediumen
Minimum Spanning Tree0.0335616473444327%3.6Mediumen
Modular Arithmetic0.001983708178048%2.8Mediumen
Moving to Nuremberg0.0879854313525%5.4Mediumen
Odometer Analysis0.0013969933%9.5Harden
Organising the Organisation0.019702966923%5.9Harden
Partial Linear Equation Solver0.011070214241820%7.3Harden
Peer Streaming0.0413001953518%6.9Harden
Pitch Performance0.0012051343728%5.9Harden
Pizza Problems0.0610662335222%7.3Harden
Playlist0.30125179711214%6.4Harden
Point in Polygon0.003785623150427%4.9Mediumen
Polygon Area0.001187300301041%2.2Easyen
Polynomial Multiplication 10.001213062170856%1.8Easyen
Polynomial Multiplication 20.045944321172740%5.4Mediumen
Power Signs0.005191152925%7.8Harden
Primary Register0.00802015124662%2.4Easyen
Prime Sieve0.0023614033447732%4.1Mediumen
Proving Equivalences0.027406016136523%3.9Mediumen
Rational Arithmetic0.00647239226731%3.2Mediumen
Riddle of the Sphinx0.0016369626037%3.0Mediumen
SMS Typing0.191722105918217%8.4Harden
Shovelling Snow0.011923132315111%8.2Harden
Shovelling Snow0.0128934617416%8.9Harden
Single source shortest path, negative weights0.0039614655340923%3.6Mediumen
Single source shortest path, non-negative weights0.0133127991887932%2.7Easyen
Single source shortest path, time table0.013787652243532%2.8Mediumen