list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
10464 Reverse Engineering   4 137 48.53
17
28
11580 A Famous Game   379 33.94
28
28
11844 Binary Sequence of Prime Number   5 221 21.46
34
28
12241 Classification from ErdÅ‘s and Selfridge   5 27 17.71
28
28
13044 Dyslexic Gollum   3 122 29.14
23
28
15073 Team Slide Treasure Hunt Race   2 87 37.46
17
28
15149 play with prime numbers (III)(hard )   6 28 50.53
34
28
15551 Do You Even Lift   2 18 38.35
23
28
15571 Difference   2 66 24.62
21
28
15914 Update Sub-Matrix & Query Sub-Matrix   2 73 33.43
23
28
17125 Thor vs Frost Giants   1 187 28.90
39
28
17711 Gopu and Create Collections Part Two   4 260 29.03
28
28
22270 Periodic function, trip 2   3 33 53.57
23
28
24191 Eagle and Dogs   18 536 17.60
21
28
25396 A Terribly Grimm Problem   2 18 30.77
28
28
26045 GCD OF MATRIX (hard)   3 120 28.76
47
28
27218 Segmentation   6 35 41.50
23
28
27378 Legend of Heta   2 62 18.33
28
28
28450 Ada and Path   8 101 31.45
15
28
30828 Class Leader   3 190 12.94
23
28
34380 Even Semiprime Runs   4 22 63.74
28
28
34575 A New Task for Ibrahim   7 36 53.33
4
28
34742 Help Robin!!   13 8.47
28
28
36577 K-transfer journey   3 23 43.84
23
28
36653 Blind Escape II   3 8 60.24
23
28
15736 Breaking String   17 706 37.88
16
28
962 Intergalactic Map   2 564 23.41
19
28
2007 Another Very Easy Problem! WOW!!!   17 759 39.02
13
28
7897 Skyline   12 871 32.36
12
28
32961 Ada and Jobs   13 145 10.12
27
28
20644 Zero Query   17 640 19.74
29
28
4487 Can you answer these queries VI   25 1224 22.76
34
28
287 Smart Network Administrator   3 446 23.49
23
28
3975 Most Servings Meal   8 349 26.33
28
28
6286 Sum of products   10 364 36.43
19
28
8217 XOR Maximization   47 1653 22.83
17
28
9577 Dynamic Tree Connectivity   12 556 27.99
29
28
13447 Crayon   10 113 26.44
25
28
375 Query on a tree   163 5573 17.52
33
27
3946 K-th Number   238 5129 34.44
25
27
709 The day of the competitors   38 1549 28.85
17
27
67 Cutting out   2 287 42.33
30
27
176 Sum of one-sequence   5 665 33.64
11
27
411 Number of quite different words   4 238 33.43
17
27
704 Remove The String   12 600 14.92
17
27
1470 Another Sequence Problem   3 186 24.42
43
27
2731 Inventing Test Data   3 444 26.45
14
27
3579 Disjoint Paths   4 311 20.63
24
27
3713 Primitive Root   6 592 30.40
15
27
4672 Yanu in Movie theatre   12 1677 45.11
2
27

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