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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
149 Fencing in the Sheep   3 102 12.99
34
17
1772 Find The Determinant II   102 30.63
1
50
3110 Palindromic Number   3 102 21.22
9
17
7250 Blocks for kids   2 102 40.56
23
23
7891 Fibonacci Sequence   102 30.56
34
34
8735 Suffix Of Cube   1 102 43.91
9759 GO   4 102 49.05
12
6
10109 Game, Set and Match   102 66.32
10460 A function over factors   1 102 32.78
1
17
11695 A Summatory (HARD)   6 102 29.79
31
29
14831 Your Rank is Pure   2 102 49.01
34
15506 Helping Igor   5 102 34.84
15
12
23492 One piece   4 102 32.67
17
30
33331 Ada and Graft   5 102 50.00
21
21
34616 Taming the Dragon   2 102 32.64
12
17
1961 Roman Roads   1 103 31.59
9
17
2880 Wild West   103 42.23
17
34
4100 Sum of Vectors   -1 103 29.60
50
34
5152 Brute-force Algorithm EXTREME   2 103 22.25
17
28
8629 Stock Prices   1 103 45.70
17
17
15256 Partition function (EASY)   8 103 39.65
22
27
16284 Game of stones   1 103 57.68
17
34
21807 Path Finding In the Country   2 103 38.60
9
17
2022 Truth Or Lie   104 21.17
3999 FROGGER   3 104 26.72
28
23
4070 Two Professors   104 14.10
4166 Four colors   2 104 22.01
42
42
6499 Breaking Chocolates   1 104 18.89
17
17
7248 Chess part1   104 23.55
10419 Polish Language   104 26.31
12579 Search Insert Delete   4 104 10.62
30
11
14507 GAME2   10 104 25.04
12
11
26647 Factorial and divisorss   12 104 47.29
20
22
187 Flat broken lines   2 105 39.78
9
17
386 Help the problem setter   105 45.45
681 Building the Tower   2 105 20.11
17
12
1775 Boolean Logic   1 105 23.35
17
17
2415 Kirchhof Law   2 105 21.42
17
17
3733 Trezor   105 52.34
5163 Tower of Vientiane   105 34.94
6825 Field Plan   1 105 30.22
17
17
21132 Palindromes   1 105 36.20
17
34
23237 Feast Coins   11 105 41.93
19
17
26778 NO GCD   11 105 22.58
29
38
26928 The Crossover   9 105 16.88
22
16
34909 Keyword Finder   105 29.60
6
4
36166 Lucifer and Magical Substrings   14 105 46.38
12
13
332 Hard Question   106 33.05
1
34
8288 Fast Food Restaurant   2 106 29.95
17
34
11769 Kind and gently   106 53.23
17
17

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