Problems by Per Austrin

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
#exclude<scoring>0.03833674274%9.2Harden
A Different List Game0.0035384445947%9.1Harden
A List Game0.00514747440130%2.9Mediumen
A Real Challenge0.00518270803644%2.2Easyen
AI Jeopardy0.0214592212514%7.1Harden
Ace Arbiter0.00200162438023%4.9Mediumen
All Just A Dream0.05248371997726%5.7Harden
All Pairs Shortest Path0.0042718889370220%5.4Mediumen
Apparatus0.0128892024827%6.1Harden
Assassins0.0231877822028%6.9Harden
Barking Up The Wrong Tree0.0023443795715%9.4Harden
Best Before0.00304136941931%3.8Mediumen
Best Compression Ever0.0052697128948%2.5Easyen
Bilateral Projects0.00148740112331%7.0Harden
Bling0.2526014649%8.6Harden
Calculator0.0053588129136%3.2Mediumen
Cars0.008264796514%8.0Harden
Cat Coat Colors0.00114074326135%3.1Mediumen
Cat vs. Dog0.00351179552329%6.0Harden
Catalan Numbers0.0054122155438%3.7Mediumen
Cheating Luck0.0061560816227%7.8Harden
Cheering Game0.00108035113238%6.6Harden
Chinese Remainder0.001015428145327%4.9Mediumen
Chinese Remainder Theorem (non-relatively prime moduli)0.002473720133236%4.1Mediumen
Chopping Wood0.012764073162940%3.0Mediumen
Closest Pair0.0610997061126918%7.4Harden
Closest Pair (Uniform)0.055707596208627%5.3Mediumen
Collapse0.03405110644740%3.3Mediumen
Color Codes0.011042842935%8.0Harden
Convex Hull0.0164413516356126%4.7Mediumen
DEX Save0.006001346045%5.3Mediumen
Death and Taxes0.00235184860933%3.3Mediumen
Deceptive Directions0.03681127229924%6.3Harden
Disgruntled Judge0.0033137020455%3.6Mediumen
Dominant Strings0.03624283231411%8.7Harden
Dungeon Dawdler0.0548892202411%8.0Harden
Dyson Circle0.0215122610245%5.2Mediumen
Easter Eggs0.1713663384814%9.1Harden
Eulerian Path0.016174283123729%5.8Harden
Event Planning0.001073370145043%2.4Easyen
Exam Redistribution0.00901988109555%2.4Easyen
Exponial0.00352114223420%5.3Mediumen
Fenwick Tree0.5720212950368228%4.0Mediumen
Fixing the Bugs0.058863749826%7.6Harden
Fleecing the Raffle0.0076197456829%4.2Mediumen
Flight Plan Evaluation0.0016191928042%6.0Harden
Flight Safety0.12272850918%7.6Harden
Gaggle0.085401205142%7.0Harden
Get Shorty0.0132821889452721%3.4Mediumen
Graduation Guarantee0.0820796932433%3.6Mediumen
Hot Hike0.00805582282451%2.1Easyen
House of Cards0.005194172437%3.5Mediumen
Imperial Measurement0.001473278130140%2.1Easyen
Interception0.463717951213%8.5Harden
Interval Cover0.034157537181524%5.3Mediumen
Just A Few More Triangles!0.0269239114437%6.2Harden
Kattis' Little Helpers0.19356827519%8.0Harden
Kitchen Combinatorics0.00403128943434%5.2Mediumen
Knapsack0.0135218070462526%4.4Mediumen
Ladder0.005201191115155%1.6Easyen
Line Segment Distance0.00871199980940%4.4Mediumen
Line Segment Intersection0.001366431394622%6.4Harden
Linear Equation Solver0.018923429101129%6.3Harden
Linear Recurrences0.03749131451839%5.0Mediumen
Lines Of Action0.0152343539%7.0Harden
Longest Increasing Subsequence0.032857706262034%4.9Mediumen
Maximum Flow0.0140213293400530%4.5Mediumen
Maximum Number of Colinear Points0.04376244691637%4.7Mediumen
Meow Factor0.0053982101826%3.2Mediumen
Meow Factor 20.0219248612125%6.8Harden
Methodic Multiplication0.0052415153464%1.6Easyen
Minimum Cost Maximum Flow0.0113773865144037%5.1Mediumen
Minimum Cut0.0110763052123640%3.7Mediumen
Minimum Spanning Tree0.0435614705385726%4.3Mediumen
Modular Arithmetic0.002573121147647%3.2Mediumen
Moving to Nuremberg0.0879850512725%5.7Harden
Odometer Analysis0.0013964637%9.1Harden
Organising the Organisation0.0110452495622%5.9Harden
Partial Linear Equation Solver0.011452199938619%7.5Harden
Peer Streaming0.0413001733420%7.0Harden
Pitch Performance0.0012051023635%5.0Mediumen
Pizza Problems0.0610662035226%6.6Harden
Playlist0.3012516058113%8.4Harden
Point in Polygon0.003785199133526%5.9Harden
Polygon Area0.001186665269840%2.7Easyen
Polynomial Multiplication 10.001212898159555%1.9Easyen
Polynomial Multiplication 20.048663964158140%6.2Harden
Power Signs0.00519802531%7.8Harden
Primary Register0.00801845117764%2.2Easyen
Prime Sieve0.0026612498403532%4.9Mediumen
Proving Equivalences0.027634473104523%6.0Harden
Rational Arithmetic0.00646521202531%3.5Mediumen
SMS Typing0.191722102117217%8.4Harden
Shovelling Snow0.011923127513711%8.3Harden
Shovelling Snow0.0128933695314%8.7Harden
Single source shortest path, negative weights0.0139613023296323%4.2Mediumen
Single source shortest path, non-negative weights0.0233125141783231%2.9Mediumen
Single source shortest path, time table0.013786898212531%3.7Mediumen
Spock0.0058335411633%6.7Harden
Square Pie0.07158054019035%7.5Harden