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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10930 Dixon Dominoes   1 17 24.44
1
1
26527 DIVSEQ   17 232 46.11
13
17
7623 Divisors VI   2 27 14.35
34
34
22412 Divisors of factorial (hard)   9 162 47.25
22
22
22549 Divisors of factorial (extreme)   5 78 25.69
34
34
22403 Divisors of factorial   71 1931 29.70
14
14
530 Divisors 2   10 912 52.42
12
16
526 Divisors   38 1697 43.56
14
13
16825 Divisors   6 87 17.64
20
24
7567 Divisor Summation Powered   13 361 21.22
17
23
1754 Divisor Summation (Hard)   32 1181 15.55
22
21
25862 Divisor Game   5 50 20.93
17
17
10186 Divisor Digits   6 1282 30.88
8
12
20172 Divisiblity by 3   11 583 30.53
14
10
34501 Divisible Strings   5 214 28.50
15
17
21356 Divisible Number Sum   8 46 18.60
26
20
25867 Divisible Fibonacci Numbers   5 205 25.56
12
12
27433 Divisible Fibonacci Numbers   1 27 29.15
17
34
16758 Divisible by 6 and 9   -1 122 37.97
21
13
25810 Divisibility Test   10 57 12.93
24
26
3196 Divisibility Relation   4 286 21.04
17
37
416 Divisibility by 15   5 1018 15.45
31
26
13116 Dividing Xorland   1 27 45.45
17
9
8063 Dividing Stones   2 164 26.14
17
17
13953 Divide Polygon (HARD)   1 17 22.35
34
34
5649 Divide Polygon   3 33 21.14
9
34
6576 Divide and Conquer   2 56 15.82
17
26
10647 Divide And Conquer   11 16.90
15432 Distributing V-Energy   -1 21 48.28
17
34
22253 Distributing sweets   4 106 21.06
21
17
10108 Distributing Ballot Boxes   32 1156 36.24
11
15
21177 Distracted judges   6 320 44.67
13
17
21135 Distinct Viewpoints   2 50.00
34
1
9505 Distinct Subtrees   1 17 20.24
17
17
694 Distinct Substrings   91 5617 26.49
21
24
2416 Distinct Subsequences   94 3720 36.28
12
22
9519 Distinct Submatrices   1 23 20.74
50
50
10232 Distinct Primes   84 5839 45.49
10
9
2817 Distinct Increasing Subsequences   9 785 24.52
22
26
40148 Distinct Cyclings   1 9 23.81
42
34
3978 Distance Query   70 1751 32.59
24
21
4178 Distance on a square lattice   122 54.32
8282 Distance   50 25.08
9985 Distance   2 61 24.14
42
34
3485 Disputes   81 62.91
9938 Disney Fastpass   1 33 24.12
17
17
13948 Disjoint Subtrees   19 48.80
34
34
3579 Disjoint Paths   4 312 20.65
24
27
13866 Discrete Roots   3 297 52.49
20
20
5084 Discrete Math Problem   6 280 31.44
15
24

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