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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
107 Calendar of the Maya   5 130 44.93
21
17
20984 Music Academy   2 62 44.94
1
9
11157 The Great Escape   77 44.96
12824 Print Big Binary Numbers   6 44.96
27268 Count Subsets   19 213 44.96
10
22
29434 Counting WOW-Substrings2   7 98 44.97
15
22
4556 Think I will Buy Me a Football Team   30 2165 44.99
7
11
3372 Round Table   1 57 45.00
10286 DOTA HEROES   43 6020 45.00
3
5
10471 Aliens at the train, again!   28 811 45.00
16
16
10958 Vero Dominoes   3 416 45.01
1
23
396 Hit or Miss   129 45.03
1
1
6650 Consecutive sequence   4 320 45.05
20
17
7734 Twist and whirl - want to cheat   8 229 45.06
24
17
7250 Blocks for kids   1 93 45.08
9
17
21061 Yet Another Subset Sum Problem   2 44 45.09
50
50
4164 A conjecture of Paul ErdÅ‘s   23 2004 45.09
16
14
20848 Interesting Game   58 45.09
8330 Giant fountain   1 29 45.10
1
17
17705 Gopu and Combinatorics on Graphs   1 83 45.12
109 Exchanges   1 123 45.14
34
21177 Distracted judges   7 314 45.16
15
15
4672 Yanu in Movie theatre   12 1673 45.17
2
27
9034 Help Tohu   12 2275 45.20
5
23
10084 Fake Scoreboard   23 45.21
31052 PLAYGAME   6 660 45.21
3
4
21173 String fertilization   58 45.23
2157 Anti-Blot System   104 12909 45.24
10
5
1798 Assistance Required   14 2335 45.25
16
7
11515 I AM VERY BUSY   151 8257 45.25
9
11
7561 Lexicographic position   21 45.28
15568 Fire Extinguishers   19 45.28
19976 HYPERCUBES   1 111 45.31
1
17
22441 Black and White Tiles   -1 29 45.35
13
9
14977 Attack of the Bloons   4 362 45.35
8
8
40459 The triangle of Pascal modulo 2   7 38 45.36
22
20
8104 Friendly Knights   147 45.38
11909 C You and Me   4 86 45.38
21
21
4200 Hamster flight   13 1149 45.39
5
13
20635 Dortmund Dilemma   1 19 45.45
17
34
7217 Training for final   26 2089 45.47
8
6
36166 Lucifer and Magical Substrings   13 96 45.49
12
14
10232 Distinct Primes   83 5771 45.50
10
9
27497 Binary Protean Number   5 141 45.52
14
15
869 Galactic Import   3 139 45.56
6
6
6059 Another GCD problem   331 45.56
35144 High CG Boy   4 285 45.57
5
5
27496 Again Eid Salami   2 125 45.60
26
34
4195 GCD Determinant   1 263 45.60
1
34
8335 Counting the teams   1 23 45.61
34
50

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