ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   103 86609
6
4
4300 Rectangles   176 27008
5
8
4301 Tables   14 6624
2
3
29154 SUM OF DIGITS   11 3791
4
4
29695 GO GOA GONE   25 888
12
13
8061 Christmas Play   57 7781
6
4
13043 The Mirror of Galadriel   33 5975
2
3
4549 Adding Sevens   19 1929
17
6
5450 Tiles of Tetris, Not!   15 3198
4
5
4452 Simple Arithmetics II   55 7508
11
5
328 Bishops   83 8977
14
7
2852 Broken Keyboard   19 1216
14
14
17110 Black Widow Rings   15 2724
3
3
3921 The Great Ball   60 3943
7
11
10442 Candy Distribution   22 3927
2
4
19224 Lights, Snakes and Cages   5 92
24
34
2123 Candy I   99 29064
4
5
2148 Candy III   54 20527
9
5
1285 Continuous Fractions Again   5 375
15
10
1326 A Chase In WonderLand   2 409
6
1
2018 Clique Separation   77
16134 Save the cows!   5 61
1
6
16891 Character Patterns (Act 8)   1 523
6
1
4004 Exploding CPU   142
13769 Roommate Agreement   52 1488
11
16
26315 Crazy Smoker   24 1352
4
9
16778 Sir and the Guitar   6 150
4
5
867 Perfect Cubes   11 2226
7
5
17397 End of Fun   14 355
17
16
1166 Dead Fraction   320
12
17
2320 Manhattan   9 701
20
34
56 Dyzio   8 1220
11
14
25306 Easy Marks   4 468
1
1
1688 A Very Easy Problem!   40 6165
12
11
16420 Even Numbers   40 5276
6
5
3253 Electronic Document Security   3 154
23
6
1030 Triple Fat Ladies   106 19190
4
12
18714 Can You Make It Empty 2   15 1323
8
11
1787 Run Length Encoding   7 859
13
3
9788 Friends of Friends   67 7144
7
5
366 Farmer   1 270
1
1
1025 Fashion Shows   30 27833
3
3
6236 Matches   8 454
26
7
5970 Finding Primes   22 1341
16
15
9055 Most Frequent Value   31 801
15
21
18176 FRIENDSHIP!!!   16 631
15
21
8319 GLJIVE   -85 4403
2
5
34275 Game Store   11 209
5
6
2525 Encoding   3 749
12
12
2526 Decoding   9 1039
23
15

#ad-hoc-1

Problem requires no specific knowledge and the solution is not intended to be adapted to other purposes