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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
37921 Birthday Present   3 37 30.64
42
34
40148 Distinct Cyclings   1 9 23.81
42
34
9576 Dynamic Graph Connectivity   8 299 37.53
41
38
34096 Counting Divisors (general)   4 324 35.08
40
43
4948 Integer Factorization (29 digits)   8 102 15.52
40
34
1433 The Sum   2 281 17.05
39
30
5542 Counting pairs   4 131 26.46
39
36
8075 Sequence   3 57 27.66
39
39
8820 Okret   3 40 19.32
39
34
9687 Xavier is Learning to Count   1 31 18.55
39
39
10354 Count Strings   3 17 7.98
39
39
10820 Obsession   4 32 23.98
39
39
11202 Number Theory   32 31.12
39
39
11707 Wrong directions   2 45 31.05
39
34
12908 Binary Matrix   1 14 8.29
39
34
13829 Tjandra 19th birthday present (HARD)   2 36 38.02
39
23
15165 primes triangle (II)   2 18 31.16
39
17
15336 Hello Intercal!   2 169 59.11
39
17
17125 Thor vs Frost Giants   1 186 28.44
39
28
19975 Amazing Prime Sequence (hard)   5 83 42.49
39
45
26073 Counting Divisors   3 121 24.86
39
34
34499 So Many Squares   4 22 29.86
39
39
36936 K-Divisors   3 10 18.39
39
39
38389 Phasmophobia   5 27 30.17
39
39
2666 Query on a tree IV   5 688 13.66
38
34
3109 Longest Common Prefix   4 356 24.49
38
34
6779 Can you answer these queries VII   17 1240 19.44
38
27
8073 The area of the union of circles   1 444 20.53
38
30
19301 Operators (new ver)   3 40 6.54
38
17
21640 Nested Palindromes   2 25 20.81
38
38
25458 Boxes   4 96 38.00
38
38
19543 Can you answer these queries VIII   8 192 27.32
37
35
11469 Balanced Cow Subsets   6 368 24.03
37
34
13529 Special Graph   4 80 12.57
37
30
21414 Count The Indexes 2   5 41 18.11
37
24
34118 Prime Pesticide   6 23 20.13
37
34
22303 Mau-Mau   5 75 16.67
36
17
34356 Ludic Numbers (medium)   5 59 30.45
36
39
16549 Query on a tree VI   10 509 19.31
36
26
6488 Printing some primes (Hard)   11 162 15.00
35
29
13 Hotline   2 204 16.62
34
23
85 Dice Contest   47 22.05
34
34
88 Which is Next   1 129 20.64
34
34
99 Bus   184 22.16
34
17
140 The Loner   156 22.76
34
17
145 Aliens   2 421 29.86
34
42
149 Fencing in the Sheep   3 94 12.36
34
17
202 Rockets   -1 56 12.18
34
34
208 Store-keeper   2 126 15.40
34
26
215 Panic in the Plazas   83 20.53
34
34

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