list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
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   2 148 33.52
21
28
15736 Breaking String   18 779 37.79
17
28
15914 Update Sub-Matrix & Query Sub-Matrix   2 96 35.79
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
1693 Coconuts   14 967 29.88
19
29
30760 Ada and Travelling Salesman   18 188 27.13
23
29
18167 SubXor   76 1905 30.82
25
29
861 Counting inversions   7 465 19.98
34
29
6488 Printing some primes (Hard)   11 199 15.38
35
29
9012 Maximum Self-Matching   31 759 46.79
24
29
7487 Flibonakki   16 867 29.53
21
29
5971 LCM Sum   83 3961 26.34
20
29
741 Steady Cow Assignment   5 534 32.90
20
29
2050 Strange Billboard   10 805 60.55
13
29
10050 Power Tower City   7 148 66.65
26
29
11695 A Summatory (HARD)   6 102 29.79
31
29
26045 GCD OF MATRIX (hard)   4 140 28.31
42
29
28450 Ada and Path   9 110 31.05
17
29
28599 Counting Magical Permutatitons   7 62 29.08
17
29
33372 Lannister Army   12 412 21.02
20
29
685 Partition the sequence   3 244 21.17
21
30
735 Minimum Diameter Spanning Tree   1 199 34.41
17
30
1433 The Sum   2 311 17.71
39
30
1785 Code   2 231 26.44
26
30
2715 Glasnici   3 349 37.40
26
30
3576 Boy Scouts   3 145 28.31
21
30
4532 String reduction   2 169 16.71
17
30
5120 Minimal Possible String   4 61 5.32
34
30
5271 A Coin Game   4 554 31.99
21
30

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