list of classical problems

ID NAME CODE USERS ACC %
9516    XOR Equations XOREQ 18 20.00
9517    Unlock the Cellphone UNLOCK 12 23.64
9518    The Time of Day LCM 39 21.98
9519    Distinct Submatrices DSUBMTR 26 14.22
9520    Tanks TANKS 16 12.67
9525    Cipher CIPHERJ 101 21.10
9527    Department DEPARTJ 11 7.37
9528    Johns Trip JTRIP 21 29.29
9529    Maya Calendar MAYCA 221 30.60
9532    Transportation TRANSJ 22 28.57
9534    Turn on the lights JZPLIT 73 33.00
9535    Turn on the lights 2 JZPLIT2 23 32.97
9543    Dynamic Congruence Equation System DCES 10 54.97
9547    Counting d-pairs DPAIR 138 30.45
9569    Sum of Pairwise Products PAIRSUM 841 31.50
9570    Counting binary strings STRCOUNT 340 53.14
9576    Dynamic Graph Connectivity DYNACON2 328 38.05
9577    Dynamic Tree Connectivity DYNACON1 655 28.76
9587    The Prime conjecture PRIMEZUK 574 34.49
9636    A Canvas Building ACANVAS 71 18.04
9637    Black and White BANDW 2183 54.18
9638    Circuits CIRCUITS 25 9.33
9640    Equilibrium EQUI 256 28.14
9641    Factory of Bridges FBRIDGES 69 26.01
9642    Getting There Fast GETFAST 19 17.69
9643    He is Lazy HEISLAZY 157 41.73
9644    Imperialism IMPER 174 30.69
9645    Joy of CompuTenis JOCTENIS 9 15.38
9650    Mega Inversions TRIPINV 617 42.94
9652    Robots on a grid ROBOTGRI 865 19.47
9655    Elevator Trouble ELEVTRBL 4334 32.39
9685    Zombie’s Treasure Chest ZTC 83 13.68
9686    Yummy Triangular Pizza YUMMY 485 65.64
9687    Xavier is Learning to Count XC 46 20.05
9689    Very Boring Homework VBWORK 16 33.33
9690    Universal Question Answering System UQAS 26 24.00
9691    Triangles and Quadrangle TQ 17 13.25
9692    Share the Cakes CAKE4 10 9.32
9693    Revenge of Fibonacci REVFIB 97 31.16
9694    Quelling Blade QB 10 31.58
9721    2s Complement CODESPTA 179 32.17
9722    Insertion Sort CODESPTB 4072 31.43
9723    Card Shuffling CODESPTC 41 26.23
9725    Queens on a Board CODESPTD 54 50.38
9734    Hacking the random number generator HACKRNDM 5882 39.02
9746    Bytelandian Tours CODESPTE 14 16.67
9748    Palindromes CODESPTF 94 26.06
9749    Cliques CODESPTG 70 28.68
9750    Polygon Diagonals CODESPTH 29 27.75
9751    Repairing Roads CODESPTI 21 11.02
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