list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5 The Next Palindrome   452 19909 10.74
25
18
12866 Nlogonian Tickets   12 263 20.20
25
24
212 Water among Cubes   51 1462 26.11
25
27
18 The Bytelandian Cryptographer (Act II)   4 663 30.04
25
1
11401 Bazinga!   15 644 23.29
25
19
26771 Almost Prime Numbers Again   15 258 18.56
25
20
1043 Can you answer these queries I   564 13299 18.46
25
24
388 Menu   7 347 18.89
25
16
6322 The hunt for Gollum   18 698 22.89
25
16
11848 Power with Combinatorics   8 431 20.26
25
37
13447 Crayon   10 108 26.12
25
28
34812 Kth Power Summation   6 54 17.85
25
19
703 Mobile Service   6 887 21.30
24
28
4198 Lego   5 173 25.31
24
22
7734 Twist and whirl - want to cheat   8 229 45.06
24
17
8129 Sky Lift   2 138 25.49
24
19
24957 Petya Brother and Repairment of Roads   9 153 27.69
24
24
30922 Ada and Plum   12 136 46.26
24
24
108 Decoding Morse Sequences   7 788 24.26
24
17
2053 Key Task   37 1171 31.67
24
22
3978 Distance Query   68 1653 31.97
24
21
14 I-Keyboard   6 1257 43.52
24
23
135 Men at work   1 258 37.99
24
26
300 Cable TV Network   2 619 35.58
24
30
1459 The Secret of an Aerolite   8 259 43.46
24
26
3579 Disjoint Paths   4 311 20.67
24
27
4681 Twice   5 282 20.97
24
27
5151 Alice’s Cube   8 501 28.99
24
21
5298 Interval Challenge   4 135 16.52
24
27
6221 Increasing Powers of K   4 350 27.39
24
34
7209 Closest Triplet   2 271 28.40
24
21
8505 Nacci Fear   6 316 40.27
24
21
9964 Fibonacci vs Polynomial   6 126 40.50
24
34
10050 Power Tower City   6 89 70.88
24
28
11470 To the moon   8 790 20.69
24
21
13469 FOREVER ALONE   7 91 39.43
24
24
16277 Little Red-Cap   4 217 34.60
24
24
19224 Lights, Snakes and Cages   4 84 17.40
24
34
21356 Divisible Number Sum   7 45 18.55
24
21
23147 The Ultimate Riddle   3 122 35.05
24
14
25789 Laser Maze   8 45 52.82
24
14
25810 Divisibility Test   10 57 12.93
24
26
26176 HARRY POTTER AND THE FORBIDDEN FOREST   4 82 27.10
24
12
32029 Ada and Connections   6 69 12.72
24
24
34684 Secret Service Agent   4 30 42.98
24
17
34886 Impress zing   5 87 21.58
24
20
913 Query on a tree II   115 4363 20.68
24
21
15086 Land Acquisition   37 1299 28.31
24
30
9012 Maximum Self-Matching   31 643 45.75
24
29
11676 Counting diff-pairs   14 183 22.67
24
26

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