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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19543 Can you answer these queries VIII   8 216 26.27
37
35
3109 Longest Common Prefix   4 396 25.51
38
34
6489 Finding the Kth Prime (Hard)   6 95 10.45
38
38
8073 The area of the union of circles   1 468 20.51
38
30
8820 Okret   4 51 21.61
38
34
11844 Binary Sequence of Prime Number   6 242 20.69
38
30
19301 Operators (new ver)   3 47 6.88
38
17
21640 Nested Palindromes   2 28 17.99
38
38
25458 Boxes   4 98 38.02
38
38
2666 Query on a tree IV   4 746 13.54
38
34
34096 Counting Divisors (general)   6 371 37.17
38
45
6779 Can you answer these queries VII   21 1450 19.42
38
28
1433 The Sum   2 311 17.71
39
30
5542 Counting pairs   4 135 26.54
39
36
8075 Sequence   3 59 26.63
39
39
9687 Xavier is Learning to Count   1 46 20.05
39
39
10354 Count Strings   3 29 4.44
39
39
10820 Obsession   4 39 24.38
39
39
11202 Number Theory   37 31.44
39
39
11707 Wrong directions   2 50 30.81
39
34
12908 Binary Matrix   1 19 9.48
39
34
13829 Tjandra 19th birthday present (HARD)   2 36 37.59
39
23
15165 primes triangle (II)   2 18 26.38
39
17
15336 Hello Intercal!   2 169 58.90
39
17
17125 Thor vs Frost Giants   1 190 28.28
39
28
19975 Amazing Prime Sequence (hard)   5 97 44.55
39
45
36936 K-Divisors   3 18 17.05
39
39
38389 Phasmophobia   5 30 31.58
39
39
4948 Integer Factorization (29 digits)   8 124 14.80
40
34
3 Substring Check (Bug Funny)   9 1083 6.99
40
15
9576 Dynamic Graph Connectivity   8 328 38.05
41
38
105 Alice and Bob   3 179 26.74
42
42
1470 Another Sequence Problem   3 197 24.56
42
26
2023 One Instruction Computer Simulator   47 10.58
42
42
3314 Umnozak   115 30.02
42
17
3833 Tresnja   1 128 52.33
42
42
3902 Fight with functions   3 21 6.52
42
34
4157 Domino   4 56 49.80
42
42
4166 Four colors   2 104 22.01
42
42
5703 Primes of Lambda   2 25 26.79
42
42
7356 Iterated Bitcount Function   2 36 16.47
42
34
7363 Tree Sum   5 187 36.46
42
45
7561 Lexicographic position   1 36 34.81
42
26
7746 Cocircular Points   63 16.78
42
17
9985 Distance   2 63 23.06
42
34
11482 Count on a trie   78 12.38
42
50
11834 DOJO Corridor II   3 27 30.69
42
34
13980 Sudoku goblin   2 83 42.62
42
34
15381 Cut The Rope   3 16.28
42
1
16580 Query on a tree VII   2 282 18.27
42
42

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