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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
11580 A Famous Game   409 34.93
28
28
12241 Classification from ErdÅ‘s and Selfridge   5 32 19.60
28
28
13044 Dyslexic Gollum   3 124 29.11
23
28
14542 Pythagorean triples (medium)   3 141 18.27
17
28
15073 Team Slide Treasure Hunt Race   2 91 33.60
17
28
15149 play with prime numbers (III)(hard )   6 29 42.60
34
28
15551 Do You Even Lift   2 24 36.86
23
28
15571 Difference   2 149 33.64
21
28
15736 Breaking String   18 779 37.79
17
28
15914 Update Sub-Matrix & Query Sub-Matrix   2 97 36.11
23
28
17125 Thor vs Frost Giants   1 190 28.28
39
28
17711 Gopu and Create Collections Part Two   4 266 29.30
28
28
22270 Periodic function, trip 2   3 38 44.65
23
28
23742 Dolan and Nephews   6 55 38.51
31
28
23969 Helping Jar Jar Binks   6 84 21.95
26
28
24191 Eagle and Dogs   18 685 18.96
21
28
25048 Robot   5 82 25.91
23
28
27218 Segmentation   6 35 41.50
23
28
30737 Ada and Homework   5 69 25.40
34
28
30828 Class Leader   3 217 11.57
23
28
31036 Ada and Mulberry   6 123 12.76
31
28
31979 Ada and Party   4 25 56.36
34
28
32029 Ada and Connections   7 77 12.86
26
28
33263 Ada and Tomel   3 42 34.51
28
28
34380 Even Semiprime Runs   4 27 63.45
28
28
34575 A New Task for Ibrahim   6 39 52.48
4
28
34742 Help Robin!!   16 7.87
28
28
36653 Blind Escape II   3 12 56.00
23
28
4487 Can you answer these queries VI   27 1367 23.62
34
28
9577 Dynamic Tree Connectivity   13 656 28.77
29
28
962 Intergalactic Map   2 569 23.41
19
28
32961 Ada and Jobs   16 158 10.37
28
28
2007 Another Very Easy Problem! WOW!!!   17 792 39.04
13
28
6779 Can you answer these queries VII   21 1454 19.42
38
28
8217 XOR Maximization   48 1755 23.17
17
28
287 Smart Network Administrator   3 458 23.71
23
28
3975 Most Servings Meal   8 354 26.37
28
28
4672 Yanu in Movie theatre   13 1725 44.85
2
28
20644 Zero Query   17 772 19.61
31
27
375 Query on a tree   167 5900 17.61
33
27
11985 Gao on a tree   26 874 15.24
28
27
16549 Query on a tree VI   11 558 19.80
37
27
3946 K-th Number   245 5840 35.44
25
27
67 Cutting out   2 303 40.85
30
27
176 Sum of one-sequence   5 671 33.60
11
27
411 Number of quite different words   4 244 33.93
17
27
3579 Disjoint Paths   4 318 20.79
24
27
3713 Primitive Root   6 615 30.64
15
27
3723 Snooker   5 460 50.55
9
27
4681 Twice   5 287 21.21
24
27

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