list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18667 Product of factorials (hard)   3 45 26.90
28
34
19143 TRISQRS   171 37.98
28
34
19148 Kill them All   3 127 23.48
28
34
20041 Hippo and Bloody Jungle   -1 42 21.45
28
17
21642 Tsunami   3 144 40.77
28
23
21834 Sadde and His City   3 45 21.63
28
23
23806 Yossy, The King of IRYUDAT   3 47 5.44
28
39
25001 Red Blue Line Segments   2 308 19.18
28
26
25365 Hexagram   3 39 44.97
28
17
31772 Boss Baby   2 11 16.07
28
17
32843 Ada and TicTacToe   3 51 20.39
28
23
32940 Alien Language   2 74 40.77
28
34
33263 Ada and Tomel   3 40 36.43
28
28
34380 Even Semiprime Runs   4 26 63.27
28
28
34549 Mysteriousness of a Logical Expression   7 65 10.65
28
23
34624 Longest palindrome with no adjacent duplicates   2 94 31.45
28
17
34742 Help Robin!!   15 7.59
28
28
36937 Random Magic Trick   4 17 39.76
28
34
22463 Smallest Number (medium)   9 68 20.80
29
25
32257 Apoorv and Math problem   11 172 14.89
29
16
9577 Dynamic Tree Connectivity   13 644 28.47
29
28
1482 A short vacation in Disneyland   5 234 14.73
29
20
10233 Magical Bridges   9 168 27.00
29
24
20173 Counting Divisors (square)   6 477 21.61
29
38
26778 NO GCD   11 104 22.49
29
38
30785 Ada and Apple   12 203 25.10
29
23
12005 Grass Planting   11 593 45.01
29
19
2939 Query on a tree V   79 1893 28.59
29
30
9 Direct Visibility   4 264 11.66
30
21
387 Travelling tours   1 308 53.78
30
34
687 Repeats   2 977 25.40
30
38
1466 Blue Mary Needs Help Again   5 224 20.73
30
34
1479 The GbAaY Kingdom   1 135 19.22
30
38
7107 G Key   4 86 44.63
30
1
7422 Escape from Jail Again   7 455 42.25
30
32
10596 Monkey and apples   6 163 17.27
30
17
11244 GP - Complete the Series v1 ()   2 289 21.42
30
17
14905 Zig when you zag   4 36 31.02
30
38
15553 Hamsters   2 61 33.78
30
30
19722 Modular Tetration   4 42 69.52
30
30
19996 Moon Safari (medium)   4 81 40.63
30
34
20972 Alia and Cryptography   3 101 43.86
30
26
27378 Legend of Heta   3 68 18.47
30
30
30973 Ada and Tomato   4 63 17.82
30
34
32683 Ada and Kohlrabi   5 73 19.15
30
13
32857 Angry Siam   4 61 34.63
30
30
32900 K-dominant array   3 367 31.32
30
30
32949 Ada and Digits 2   5 75 33.71
30
30
37380 Acronym   4 33 24.17
30
34
6 Simple Arithmetics   12 3063 12.01
30
9

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