ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   74 47208
6
5
4300 Rectangles   127 18147
5
8
4301 Tables   10 5907
3
3
29154 SUM OF DIGITS   5 1702
4
3
29695 GO GOA GONE   13 447
11
13
8061 Christmas Play   46 6494
5
4
13043 The Mirror of Galadriel   24 4562
3
3
4549 Adding Sevens   15 1803
17
6
5450 Tiles of Tetris, Not!   9 2781
3
4
4452 Simple Arithmetics II   48 6683
10
5
328 Bishops   65 7347
14
6
2852 Broken Keyboard   16 1070
14
14
17110 Black Widow Rings   11 2436
3
3
3921 The Great Ball   54 3530
8
11
10442 Candy Distribution   12 3412
2
4
19224 Lights, Snakes and Cages   2 66
26
17
2123 Candy I   69 20465
3
4
2148 Candy III   45 15567
9
5
1285 Continuous Fractions Again   2 334
17
13
1326 A Chase In WonderLand   1 340
17
1
2018 Clique Separation   68
16134 Save the cows!   3 48
1
9
16891 Character Patterns (Act 8)   1 367
6
1
4004 Exploding CPU   131
13769 Roommate Agreement   39 1165
11
17
26315 Crazy Smoker   21 978
4
9
16778 Sir and the Guitar   4 114
5
6
867 Perfect Cubes   9 1857
7
5
17397 End of Fun   10 302
20
15
1166 Dead Fraction   1 299
17
34
2320 Manhattan   4 561
17
31
56 Dyzio   5 991
15
15
25306 Easy Marks   2 319
1
1
1688 A Very Easy Problem!   33 5839
11
11
16420 Even Numbers   37 3655
6
5
3253 Electronic Document Security   2 139
23
6
1030 Triple Fat Ladies   77 14005
4
13
18714 Can You Make It Empty 2   14 1125
8
10
1787 Run Length Encoding   4 830
17
5
9788 Friends of Friends   52 5653
7
6
366 Farmer   248
1025 Fashion Shows   23 19367
3
4
6236 Matches   5 416
28
6
5970 Finding Primes   18 977
17
16
9055 Most Frequent Value   11 256
14
24
18176 FRIENDSHIP!!!   12 548
15
21
8319 GLJIVE   -71 4036
2
5
34275 Game Store   3 87
6
6
2525 Encoding   2 726
9
17
2526 Decoding   6 1006
21
13

#ad-hoc-1

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