list of classical problems

ID NAME CODE USERS ACC %
9012    Maximum Self-Matching MAXMATCH 676 46.30
9030    Bob and his towers KVALTWR 38 31.76
9032    Cube Free Numbers CUBEFR 4127 31.66
9034    Help Tohu TOHU 2276 45.20
9038    Chessboard Billiard BISHOP2 45 24.91
9040    Tug of War TUG 614 25.75
9042    HQNP Incomputable HQNP 45 33.55
9046    Clock Hands HANDS 376 22.31
9050    Tohu again TOHU2 855 29.19
9055    Most Frequent Value FREQ2 740 23.16
9063    Shuffling cards SHUFFLEK 17 31.65
9066    Sum of Distinct Numbers XXXXXXXX 334 14.29
9070    Lightning Conductor LIGHTIN 541 31.74
9076    Hablu and Bablu HABLU 156 18.73
9081    Snail family problems INCEST 81 24.05
9084    Journey to Mars JRNTMRS 91 23.19
9086    Formula 3D JZPFOR 6 21.21
9096    Bob and magical scale MGCSCLS 65 25.46
9097    Derangements HARD NOVICE65 81 50.83
9098    Long Common Subsequence LCS3 190 35.96
9103    Special Numbers NOVICE63 753 30.04
9104    Match the words NOVICE62 411 50.09
9117    Faculty Dividing Powers GCPC11A 369 22.52
9118    Genetic Fraud GCPC11B 150 29.73
9119    Indiana Jones and the lost Soccer Cup GCPC11C 376 29.00
9120    Magic Star GCPC11D 170 52.75
9121    Magical Crafting GCPC11E 56 47.48
9122    Diary GCPC11F 1059 35.64
9123    Security Zone GCPC11G 36 27.22
9124    Sightseeing GCPC11H 116 17.61
9125    Suiting Weavers GCPC11I 84 29.38
9126    Time to live GCPC11J 2026 37.62
9137    Pyramid Sums PYRSUM 92 34.78
9138    Pyramid Sums 2 PYRSUM2 106 33.85
9161    Legendre symbol LEGRENDS 184 45.30
9185    TORNJEVI TORNJEVI 217 33.06
9199    Circular Track SPEED 3339 40.27
9213    Mafia MAFBOI08 50 23.37
9219    Nikhil Problem BHAT007 223 46.31
9255    Publication PUBLICAT 38 61.63
9260    Perfect Road PERFECTR 12 16.55
9331    DCD DCD 61 51.22
9334    Point in tetrahedron TETRAHED 139 57.37
9340    Arbitrage ARBITRAG 1819 39.23
9367    Segment Flip SFLIP 85 10.33
9378    Landfill LANDFILL 61 46.63
9382    Complan Carnival CARNIVAL 35 36.92
9385    Strictly not a Prime MAIN111 363 28.62
9386    Re-Arrange II MAIN112 270 44.49
9387    Special String MAIN113 1096 39.44
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