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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
32271 KNIGHTS level testing   1 11 35.71
34
17
10405 Shooting the balloons!   11 329 35.72
23
27
3981 Shortest Regular Bracket   79 35.74
25311 Candies   9 1085 35.75
6
7
2055 Weird Numbers   2 341 35.75
17
17
27234 Sums of 2 and 3   18 960 35.75
5
10
32951 Ada and Substring   15 383 35.76
20
22
4525 Digger Octaves   6 379 35.78
17
21
69 Moulds   2 132 35.78
12
12
26108 Trending GCD   7 129 35.78
20
39
10712 Easy Calculation   16 1365 35.79
10
14
371 Boxes   540 35.79
1
26
10399 Conga line   -1 357 35.80
9
9
9756 Alaska   24 2923 35.81
5
3
32946 Ada and Branches   19 312 35.81
18
19
21964 Golf Bot   5 82 35.81
34
27
35284 Digit Root   12 102 35.85
14
19
26179 Windy Cannon   8 291 35.86
5
2
5468 Going to school   8 321 35.87
15
34
35552 Fibonacci Power Sum   4 25 35.87
17
30
207 Three-coloring of binary trees   16 875 35.88
20
17
9433 Buzzwords   1 76 35.89
26
26
12001 Bit by Bit   2 139 35.89
17
23
5522 Buy Your House   12 35.90
15573 Keyboard   13 35.90
18247 Arrangement Validity   11 212 35.90
17
21
4185 Cube   52 35.93
4454 Brackets II   8 412 35.93
26
24
4201 Coder Ratings   26 1387 35.94
15
18
1456 The Secret of a Lost City   17 35.94
5450 Tiles of Tetris, Not!   15 3170 35.96
4
5
9098 Long Common Subsequence   2 190 35.96
34
17
28600 One Punch Man   4 68 35.96
17
17
3724 Rainbow Ride   8 484 35.97
19
19
34377 Digit Subsequence   11 250 35.97
7
11
20931 Square-Free Product (Hard)   2 58 35.98
17
21
23516 One day with string   10 234 35.99
7
10
297 Aggressive cows   1063 43135 36.00
16
23
7023 Cookies   19 36.00
8849 Imitation   22 36.00
41657 GCD Goodness   2 23 36.00
17
26
2735 Simplify the Railroad System   56 36.02
17
1
7696 Encryption   3 978 36.02
17
17
300 Cable TV Network   2 652 36.04
24
30
8991 Number Guessing Game 2   3 130 36.05
17
42
1845 Mice and Maze   100 5440 36.06
10
10
7971 The Cyber Traveling Salesman   1 33 36.07
34
17
1839 The Bookcase   1 122 36.09
15506 Helping Igor   5 98 36.10
15
12
2901 One Geometry Problem   9 1814 36.10
4
13

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