list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8333 Place-name game   75 36.34
2416 Distinct Subsequences   94 3783 36.34
12
22
35284 Digit Root   13 107 36.34
16
20
5146 Experiment on a … Cable   16 36.36
18153 Robert Langdon & The Rule of Three   3 41 36.36
23
34
19276 Peculiar Permutivores   6 36.36
20931 Square-Free Product (Hard)   2 65 36.36
17
21
21964 Golf Bot   5 85 36.36
34
27
23880 The Toy Store   3 19 36.36
17
17
12559 Drastic Race   51 36.42
10399 Conga line   -1 369 36.43
9
9
16244 Kusac   6 411 36.44
14
21
37391 Development Colored   4 21 36.45
27
27
23516 One day with string   10 238 36.45
7
10
7363 Tree Sum   5 187 36.46
42
45
7019 Zig-Zag rabbit   5 596 36.47
22
19
3464 Clock   3 66 36.47
34
9
29454 Martian Colony   4 25 36.47
17
17
2906 GCD2   60 6869 36.48
12
11
32059 Ada and Taxes   16 113 36.48
23
23
8844 Detection of Extraterrestrial   126 36.51
2526 Decoding   9 1041 36.51
23
15
381 106 miles to Chicago   50 3222 36.51
15
14
15650 Dark roads   27 1575 36.53
10
10
13738 Happy Valentine Day (Valentine Maze Game)   3 150 36.54
28
23
19985 GCD Extreme (hard)   2 358 36.57
26
34
15554 Niceness of the string   12 1170 36.63
7
2
4585 Star Wars   1 76 36.63
17943 Mickey Mouse Magic Trick v3   75 36.63
9098 Long Common Subsequence   2 199 36.64
34
17
4420 Counting Graphs   76 36.64
23 Pyramids   -19 5734 36.67
9
15
35363 The World of Charges   13 174 36.69
3
4
137 Partition   17 789 36.73
17
20
8 Complete the Sequence!   32 4522 36.74
16
18
7630 SHOPPERS   150 36.75
31428 Fibonacci Polynomial   10 136 36.75
19
21
6286 Sum of products   11 387 36.75
19
28
8106 Normalized Form   6 278 36.76
17
17
4455 Going to the Movies   89 36.79
4456 Jumbo Airlines   2 76 36.79
34
34
8418 Revenge of the squares   1 89 36.83
17
17
1868 Making Money   6 801 36.83
8
4
14035 Winter Crush   27 36.84
21172 Erdos et al   3 141 36.84
26
26
419 Transposing is Fun   1 307 36.85
17
26
32951 Ada and Substring   16 430 36.86
21
23
15551 Do You Even Lift   2 24 36.86
23
28
15074 Tourney   4 149 36.87
13
9
8670 THE MAX LINES   29 8046 36.87
4
10

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