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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
15554 Niceness of the string   12 1170 36.63
7
2
16554 Linearian Colony   12 866 42.70
11
12
17504 Run length encoding   12 1035 39.22
8
4
22337 Stick values   12 130 41.66
21
23
23925 Vitaliy and Pie   12 618 42.21
10
7
26350 TWO SEQUENCES PROBLEM   12 271 31.69
10
15
26647 Factorial and divisorss   12 104 47.29
20
22
26777 Mr. Ant & His Problem   12 243 35.32
14
15
27000 Shoot and kill   12 336 23.81
21
21
27225 Knight Move   12 466 30.10
15
14
27561 Greatest Common Divisor Of Three Integers   12 1750 40.35
1
2
27683 Inquire   12 764 54.72
6
4
29335 Movie Fan   12 152 66.08
9
13
29431 Counting WOW-Substrings   12 149 34.56
10
17
30785 Ada and Apple   12 209 25.05
29
23
32192 SUMMATION   12 590 23.28
6
10
33372 Lannister Army   12 412 21.02
20
29
33777 NT Games   12 77 41.92
19
23
34011 Jalil Got TLE   12 527 26.11
6
8
34502 ZERO TRIPLET   12 84 16.11
17
14
36238 Color Play   12 210 24.30
10
20
36583 Game of Square   12 137 28.32
11
11
132 Help R2-D2!   13 771 29.70
19
17
661 Nail Them   13 971 42.98
10
15
704 Remove The String   13 663 15.28
19
27
1002 Uncle Jack   13 2970 39.60
9
8
1167 Move To Invert   13 2461 31.80
8
16
1699 Numeral System   13 2248 67.37
6
3
2150 Counting Subsequences   13 1031 29.42
9
13
3387 Changing Maze   13 626 29.79
19
9
4191 Sky Code   13 780 29.62
19
26
4200 Hamster flight   13 1160 45.54
5
13
4303 Dice   13 929 15.72
11
19
4672 Yanu in Movie theatre   13 1725 44.85
2
28
6043 The Game   13 944 39.60
3
19
7430 Tower Of Hanoi - Revisited   13 2146 50.92
8
14
7567 Divisor Summation Powered   13 368 21.41
17
23
7897 Skyline   13 950 32.63
12
27
9577 Dynamic Tree Connectivity   13 656 28.77
29
28
11932 Amz Rock   13 1785 61.76
4
7
12260 Devlali Numbers   13 726 37.85
20
14
13577 Card Game   13 503 24.50
14
16
14441 Three Circle Problem (EASY)   13 2025 55.69
6
14
15433 Greedy Walking   13 508 51.23
13
16
15562 Find Lexicographically Smallest Permutation   13 365 40.41
16
13
15891 Prime Generator The Easiest Question Ever   13 1182 46.49
3
8
16030 Psycho   13 861 20.72
10
11
16281 War   13 1107 48.10
8
14
16776 Modems   13 222 30.35
19
15
18180 Love Story 1   13 1142 26.38
9
6

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