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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7260 Number Game   1 94 26.01
17
17
9748 Palindromes   2 94 26.06
34
34
13419 Modular Fibonacci Period   8 94 24.54
34
34
19149 Virus Revisited   2 94 28.65
1
17
22274 Missing Side   1 94 18.25
17
9
23507 Retrovirus   6 94 36.11
15
13
28457 Correlations   5 94 29.40
9
13
36563 Hard Fibonacci   8 94 24.80
19
21
13049 The Loyalty of the Orcs   93 28.67
15621 Tie the Rope   4 93 22.31
17
14
16825 Divisors   6 93 17.93
20
24
19224 Lights, Snakes and Cages   5 93 16.64
24
34
25782 Fury Road   6 93 44.93
17
13
33019 Catering Contracts   7 93 34.31
23
27
2835 Memory Limit Exceeded   1 92 31.60
26
26
6503 Travelling Salesman Again !   92 35.17
6709 Multiplying by Rotation   1 92 51.94
8286 Perfect Matching   92 19.19
1
17
8334 Enumeration of rationals   2 92 17.28
8720 Looks like Nim - but it is not   3 92 21.45
6
28
9892 Pool construction   1 92 57.26
1
34
15994 Boxes of Chocolate   1 92 24.72
17
17
20170 Coloring Segments   5 92 20.64
31
34
21170 Constellation of the parallelogram   1 92 26.64
17
17
26705 Path Game   4 92 54.31
20
17
42571 Russian Year 5 Problem   92 26.14
239 Tour de Byteland   1 91 24.45
17
17
349 Around the world   1 91 25.66
17
17
1705 The Game of Efil   91 50.00
1
1
1789 Huffman´s Greed   1 91 46.67
17
26
1838 Ticket to Ride   91 41.94
17
34
1873 Accumulate Cargo   2 91 26.79
34
9
3678 Cattle Bruisers   91 26.33
5638 Mobile Service Hard   1 91 22.09
50
50
8059 Stocks Prediction   1 91 33.33
17
34
9125 Suiting Weavers   91 29.52
14049 Annual Day   1 91 20.65
12
12
15073 Team Slide Treasure Hunt Race   2 91 33.60
17
28
19329 Group Viva   3 91 35.46
9
9
34112 The Sum of Unitary Divisors   1 91 31.09
17
45
40379 Arithmetic Progression Query   9 91 30.43
15
15
336 Exchange Operations   1 90 20.00
1
17
391 Railroads   90 17.63
17
17
2318 Overlapping Words   90 22.40
5531 Kutevi Hard   90 43.40
7805 Kitchen Robot   3 90 32.24
9
9
13092 Snakes and Ladders Again   1 90 15.04
34
34
15190 MAXIMUM RARITY   6 90 35.38
28
34
20979 Good   6 90 41.13
17
26
23336 Make Triangle   3 90 26.06
10
13

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