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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18531 Barrelrider   1 21 56.25
17
17
20926 Special Numbers (Reverse and Add)   1 21 11.94
26
26
21597 The Hack   1 21 13.06
1
34
21962 GREAT SWERC   21 57.14
23530 Suffixes   1 21 18.33
17
17
30945 Non Coprime Sequences   2 21 20.22
50
50
31884 RPS Warfare   1 21 19.32
17
17
32302 Ada and Replant   1 21 24.55
50
34
36532 Friendship   4 21 33.33
34
17
226 Jewelry and Fashion   1 20 26.69
34
50
4533 Determinant of Banded Matrices   20 33.33
8558 Linear Equation Solver   2 20 32.56
17
34
8583 Garden   1 20 61.11
17
34
8886 Guess number!   20 5.65
34
34
9505 Distinct Subtrees   1 20 24.44
17
17
9513 Game   20 18.58
9528 Johns Trip   20 28.57
9751 Repairing Roads   1 20 10.84
17
34
10085 Palindromic DNA   1 20 27.78
10242 Dice on a Board   20 32.24
11712 Red Cross Hospital   1 20 25.00
34
1
11899 Queen Game   1 20 22.78
34
17
13166 Totient in permutation (medium)   20 49.35
17
34
13940 Fibonacci vs Polynomial (HARD)   4 20 23.81
50
50
14387 Science   20 26.13
14839 Boxdropper   20 34.21
17
17
14848 Boxlings   20 25.20
17382 Airplane Parking   1 20 27.55
17
1
19037 Magical colorful cats (easy)   20 19.90
19154 Terrorist Attack   1 20 34.59
34
34
19913 Counting Pythagorean Triples   3 20 14.47
26
42
20635 Dortmund Dilemma   1 20 47.37
17
34
21407 2x2 Subgrid Sum Problem (medium)   20 20.57
21635 Beautiful Mountains   1 20 32.97
17
34
22530 Tinku got a job   20 20.39
23538 Carina   2 20 11.26
34
17
25396 A Terribly Grimm Problem   3 20 29.41
34
30
25819 DOMINO   1 20 27.50
34
34
27095 Clock Breaking   20 57.78
28456 Finding the way   20 10.57
28463 Insect invasion   1 20 9.60
34
34
33039 Amazing Factor Sequence (hard)   2 20 61.15
50
50
33963 Ada and Palace Game   1 20 25.00
34063 Chiaki With Intervals (Easy)   20 26.37
34314 Spaceships in Space   2 20 33.33
17
9
34370 Incomplete hierarchy   20 11.33
1
17
35146 Make IUT Great Again   1 20 22.81
35283 Full Sleigh   6 20 21.90
17
21
36941 AND Queries   4 20 29.48
23
34
37389 Weird Construction   2 20 9.26
1
6

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