list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3579 Disjoint Paths   4 312 20.65
24
27
3713 Primitive Root   6 592 30.40
15
27
4672 Yanu in Movie theatre   12 1680 45.14
2
27
4681 Twice   5 282 20.97
24
27
5298 Interval Challenge   4 135 16.52
24
27
6172 OAE   6 1154 41.29
11
27
8372 Triple Sums   6 342 26.07
21
27
10405 Shooting the balloons!   11 328 35.96
23
27
11985 Gao on a tree   25 734 14.99
27
27
16128 THE INDIAN OCEAN   3 52 9.72
27
27
16282 Horace and his primes   5 257 40.73
27
27
20979 Good   5 72 40.99
17
27
21964 Golf Bot   5 81 35.75
34
27
22561 Roger and tree III   5 25 11.34
27
27
23742 Dolan and Nephews   5 48 42.42
30
27
34482 Allowed Factors   4 74 26.43
14
27
212 Water among Cubes   51 1505 25.93
25
27
6779 Can you answer these queries VII   17 1182 19.33
38
27
2277 Silly Sort   30 834 54.45
17
27
7897 Skyline   13 879 32.38
12
27
7155 Test   10 378 18.55
34
27
13686 finding maximum possible number   8 355 22.20
15
27
15847 Equalize the Sectors   5 155 60.25
10
27
18917 Dukkar and Pikka   4 295 56.09
6
27
21193 Adjusting Ducks   3 62 30.86
20
27
22384 Saving Planet Bomber (Easy)   3 38 46.22
1
27
33019 Catering Contracts   7 86 33.49
23
27
660 Dungeon of Death   14 1340 42.83
13
26
4318 Catch Fish   11 492 32.79
21
26
7826 Tree Isomorphism   6 512 22.37
21
26
9185 TORNJEVI   10 217 33.06
26
26
11476 Weird Points   10 175 27.63
21
26
4191 Sky Code   12 617 27.27
19
26
6556 N DIV PHI_N   14 733 37.94
5
26
11676 Counting diff-pairs   14 183 22.64
24
26
23963 Easy Factorials   10 112 16.75
27
26
3871 GCD Extreme   79 2585 29.40
19
26
15766 Enjoy Sum with Operations   15 358 27.28
20
26
8980 Cost   46 1156 29.38
19
26
3943 Nested Dolls   29 1221 23.66
19
26
17 The Bytelandian Cryptographer (Act I)   8 1349 41.70
15
26
19 The Bytelandian Cryptographer (Act III)   1 128 37.80
17
26
45 Commedia dell Arte   2 238 34.44
5
26
49 Hares and Foxes   1 107 7.83
17
26
90 Minimizing maximizer   3 365 24.96
17
26
135 Men at work   1 258 37.99
24
26
185 Chase   2 214 24.61
1
26
200 Monodigital Representations   1 163 29.61
26
26
208 Store-keeper   2 122 15.28
34
26
220 Relevant Phrases of Annihilation   645 22.82
26
26

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