list of classical problems

ID NAME CODE USERS ACC %
30961    Non Coprime Sequences(Hard) COPSEQH 16 7.64
3    Substring Check (Bug Funny) SBSTR1 1064 7.64
14700    Delta catheti II (Hard) DELTACA2 3 7.55
7490    Biology BIO 15 7.51
15164    primes triangle (I) PTRI 65 7.49
10841    Supplying the Suppliers SUPSUP 10 7.43
1815    Problems Collection (Volume X) WA 76 7.33
11334    Lucifer Sort LUCISORT 7 7.26
19216    Super Mario Revisited SMARIO 21 7.23
2419    G-Line Grid GLGRID 4 7.14
10443    Bridges BRDGS 1 7.14
15270    A plus B ICKAPLSB 12 6.98
3902    Fight with functions FWFUNC 20 6.55
19301    Operators (new ver) BLOPER2 40 6.54
13369    Cut on a tree COT6 9 6.53
1726    Exchange EXCHANGE 18 6.52
6299    Move Marbles MOVMRBL 21 6.37
41890    Anagrams and Divisibility ANADIV 5 6.31
14830    The Codefather CFATHER 8 6.07
10572    Cheating on the contest CHEATCON 24 6.04
2151    Digital Calculator CALCULAT 22 5.81
25450    When Does The World End PONY10 5 5.69
22675    A conjecture of Paul ErdÅ‘s (hard) PAUL2 4 5.56
36704    Projectile Motion PROJECTILE 8 5.51
23806    Yossy, The King of IRYUDAT YOSSY 43 5.48
2019    The Rolling Ball ROLLBALL 3 5.26
9527    Department DEPARTJ 7 5.15
16240    Easy Password DCEPC11E 41 5.09
5120    Minimal Possible String MINSEQ 55 5.08
8886    Guess number! GNUM 17 5.03
2009    Cryptography CRYPTO 142 4.80
10210    After Party Transfers TRANSFER 36 4.79
10799    Happiness at the lowest cost RS2D 11 4.65
5157    Game Simulator TRACTOR 17 4.57
8478    Ancient Pocket Calculator POCALC1 7 4.44
22177    RajaRani MARRIAGE 3 4.35
13882    THE WITTY BOY WITTYBOY 4 4.32
12076    Longest Common Subsequence LCS0 119 4.19
9753    Tuple Division TUPLEDIV 17 4.10
850    Soccer Choreography WM06 4 4.02
36441    Funny Prime Factorization SITB 48 3.73
4189    Landing LANDING 4 3.64
31971    NEO NEO2 10 3.60
2661    Illumination ILLUM 6 3.40
944    Free Tour FTOUR 16 3.34
34973    Yet Another Subset Sum Problem SUBSUMP 3 3.33
2000    Boxes (Hard) BOX 17 3.07
15257    Partition function (HARD) PARCARD2 6 2.93
231    The Zebra Crossing ZEBRA 12 2.67
3647    Moebius MOEBIUS 1 2.60
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