Problems from Principles of Algorithmic Problem Solving

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Arithmetic Functions0.00672044114256%1.6Easyen
Bit Game0.204451733520%7.7Harden
Chocolate Division0.00593351255%1.8Easyen
Cinema Crowds0.0052224088640%2.1Easyen
Cinema Crowds 20.005158088456%1.8Easyen
Cinema Seating0.0319078332441%2.8Mediumen
Counting Days0.008632915748%2.6Easyen
Cut in Line0.001061797116865%1.6Easyen
Digit Swap0.002170381030060%1.3Easyen
Divisor Counts0.068746220845%5.0Mediumen
Divisor Shuffle0.037536911331%5.7Harden
Dual Divisibility0.004846916635%4.4Mediumen
Eulerian Graphs0.0225639217645%3.0Mediumen
Eulerian Graphs 20.0540540419749%4.4Mediumen
Evening Out 10.00574627737%2.6Easyen
Evening Out 20.0010480817321%6.5Harden
Factorial Power0.0024232010332%3.9Mediumen
Fire Exits0.011183421024%7.2Harden
Fuzzy Family Tree0.034571495738%4.2 - 4.7Mediumen
GCD0.0053293168551%1.5Easyen
GCD Sum0.00872914415%8.8Harden
GCD Sum 20.592871335138%6.6Harden
GCD and LCM0.002042746624%7.0Harden
Generalized Knights0.002180250177%7.7Harden
Grading0.0054634255755%1.5Easyen
Hailstone Sequences0.0048199497949%1.7Easyen
Hermits0.0198170456533%3.1Mediumen
Inheritance0.008229414549%3.7Mediumen
Inverse Totient0.311338851214%8.7Harden
Knight Packing0.0058997549361%1.2Easyen
Logic Functions0.0096162988654%1.5Easyen
Longest Prime Sum0.005160064140%2.3Easyen
Longest path in a DAG0.0147261419732%3.5Mediumen
Marathon0.00250742331%6.2Harden
Massive Card Game0.041026047143824%3.0Mediumen
Maximum Clique0.0041666245168%2.6 - 8.0Harden
Minimal Fibonacci Sums0.008267835152%2.4Easyensv
Multiplication Table0.0072143646632%3.0 - 3.7Mediumen
Mårten's DFS0.0551447219441%5.5 - 6.2Hardensv
N-sum0.00516918955456%1.3Easyen
Odd A's, Even B's0.006448421144%4.5Mediumen
Odd Echo0.005230821106248%1.3 - 1.4Easyen
Popularity Contest0.0172151599866%1.9Easyen
Positive Divisors0.0095121033127%3.1Mediumen
Primality0.005161157436%2.6 - 5.7Harden
Prime Count0.02461155286556%3.6 - 8.6Harden
Product Divisors0.093733739225%7.8Harden
Sailing Friends0.0144265123135%3.0Mediumen
Shortest Composite Sum0.00570026838%4.3Mediumen
Subcommittees0.001401936835%4.8Mediumen
Triangle Area0.005217781098650%1.3Easyen
Triangle Drama0.0010533118857%2.9Mediumen
Trip Planning0.05124188959932%3.2Mediumen
Two-sum0.005244421279352%1.3Easyen
Varied Amusements0.0066105351849%2.2 - 3.1Mediumen
Vector Functions0.03575193249426%2.9Mediumen