list of classical problems

ID NAME CODE USERS ACC %
9534    Turn on the lights JZPLIT 67 32.81
9535    Turn on the lights 2 JZPLIT2 23 37.08
9543    Dynamic Congruence Equation System DCES 10 68.64
9547    Counting d-pairs DPAIR 135 30.74
9569    Sum of Pairwise Products PAIRSUM 830 31.42
9570    Counting binary strings STRCOUNT 338 53.04
9576    Dynamic Graph Connectivity DYNACON2 306 37.73
9577    Dynamic Tree Connectivity DYNACON1 592 28.10
9587    The Prime conjecture PRIMEZUK 571 34.40
9636    A Canvas Building ACANVAS 66 19.12
9637    Black and White BANDW 2168 54.08
9638    Circuits CIRCUITS 23 8.41
9640    Equilibrium EQUI 250 28.25
9641    Factory of Bridges FBRIDGES 63 25.81
9642    Getting There Fast GETFAST 14 14.49
9643    He is Lazy HEISLAZY 153 41.43
9644    Imperialism IMPER 172 30.50
9645    Joy of CompuTenis JOCTENIS 6 17.65
9650    Mega Inversions TRIPINV 610 42.90
9652    Robots on a grid ROBOTGRI 856 19.51
9655    Elevator Trouble ELEVTRBL 4223 32.28
9685    Zombie’s Treasure Chest ZTC 79 13.39
9686    Yummy Triangular Pizza YUMMY 475 65.88
9687    Xavier is Learning to Count XC 34 19.01
9689    Very Boring Homework VBWORK 15 33.33
9690    Universal Question Answering System UQAS 24 25.14
9691    Triangles and Quadrangle TQ 14 12.32
9692    Share the Cakes CAKE4 7 10.53
9693    Revenge of Fibonacci REVFIB 94 30.89
9694    Quelling Blade QB 5 33.33
9721    2s Complement CODESPTA 175 31.92
9722    Insertion Sort CODESPTB 3952 31.00
9723    Card Shuffling CODESPTC 37 25.76
9725    Queens on a Board CODESPTD 51 50.00
9734    Hacking the random number generator HACKRNDM 5831 38.94
9746    Bytelandian Tours CODESPTE 15 24.32
9748    Palindromes CODESPTF 91 29.27
9749    Cliques CODESPTG 66 27.34
9750    Polygon Diagonals CODESPTH 26 28.17
9751    Repairing Roads CODESPTI 20 10.84
9753    Tuple Division TUPLEDIV 17 4.10
9755    Grey Area SCPC11A 294 61.58
9756    Alaska SCPC11B 2928 35.82
9759    GO SCPC11F 98 48.64
9760    Indomie SCPC11G 111 47.73
9761    Dolls SCPC11H 104 33.50
9788    Friends of Friends FACEFRND 7129 63.26
9805    Be Awesome As Barney Stinson BEHAPPY 1835 68.16
9817    Shortcut WPC4C 53 26.61
9820    Through the troops WPC4F 1999 44.70
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