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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
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
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
1480 Let us count 1 2 3   94 16.28
6
39
3865 Reljef   3 94 39.09
26
17
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
1477 Play with a Tree   95 15.49
17
50
6479 The Very Greatest Common Divisor   4 95 10.11
21
13
6489 Finding the Kth Prime (Hard)   6 95 10.45
38
38
6773 Dinostratus Numbers   1 95 18.13
17
17
7760 Kids’ Wishes   1 95 31.93
34
1
8549 BST again   1 95 17.08
17
34
11909 C You and Me   4 95 45.36
21
21
12321 NSquare Sum ( Easy )   3 95 60.22
1
13
12916 MMM   4 95 18.85
24
27
13469 FOREVER ALONE   7 95 39.58
24
24
15963 Help Donn   1 95 42.42
1
9
21284 Can You Make It Empty 3   6 95 31.16
15
20
32125 Flirtatious Verma   2 95 23.28
17
17
34624 Longest palindrome with no adjacent duplicates   2 95 31.59
28
17
204 Sleepwalker   96 26.01
1
1
9137 Pyramid Sums   96 35.60
34
17
10519 K12-Bored of Suffixes and Prefixes   3 96 43.49
26
26
12368 Emma s Domino   96 32.19
1
17
14435 Decipher the AMSCO cipher   2 96 59.18
17
15914 Update Sub-Matrix & Query Sub-Matrix   2 96 35.79
23
28
22549 Divisors of factorial (extreme)   5 96 26.15
34
36
29448 Coincidence   4 96 32.42
1
17
34183 Tower of Hanoi Movement - Hard   3 96 27.27
9
1
697 Matrix Words   97 24.43
1
1

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