ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   48 39858
6
4
4300 Rectangles   88 15251
5
9
4301 Tables   6 5419
3
3
29154 SUM OF DIGITS   2 741
2
3
29695 GO GOA GONE   6 219
11
14
8061 Christmas Play   35 5665
6
4
13043 The Mirror of Galadriel   17 3884
3
3
4549 Adding Sevens   15 1683
18
6
5450 Tiles of Tetris, Not!   10 2507
2
4
4452 Simple Arithmetics II   33 6046
11
5
328 Bishops   54 6578
15
6
2852 Broken Keyboard   10 937
13
14
17110 Black Widow Rings   8 2132
2
2
3921 The Great Ball   38 3036
7
11
10442 Candy Distribution   11 3079
3
6
19224 Lights, Snakes and Cages   51
2123 Candy I   53 17279
3
4
2148 Candy III   23 13378
8
4
1285 Continuous Fractions Again   2 312
17
17
1326 A Chase In WonderLand   1 316
17
1
2018 Clique Separation   66
16134 Save the cows!   2 37
1
9
16891 Character Patterns (Act 8)   1 245
6
1
4004 Exploding CPU   127
13769 Roommate Agreement   29 935
11
17
26315 Crazy Smoker   16 712
4
9
16778 Sir and the Guitar   2 72
5
1
867 Perfect Cubes   8 1789
6
4
17397 End of Fun   8 274
21
17
1166 Dead Fraction   1 290
17
34
2320 Manhattan   2 511
24
34
56 Dyzio   3 947
21
17
25306 Easy Marks   2 238
1
1
1688 A Very Easy Problem!   26 5404
10
11
16420 Even Numbers   24 3016
4
4
3253 Electronic Document Security   1 134
34
1
1030 Triple Fat Ladies   53 12161
4
12
18714 Can You Make It Empty 2   11 945
9
11
1787 Run Length Encoding   2 805
17
6
9788 Friends of Friends   36 4867
7
6
366 Farmer   235
1025 Fashion Shows   11 16451
3
4
6236 Matches   2 393
34
1
5970 Finding Primes   13 809
17
15
9055 Most Frequent Value   7 163
13
22
18176 FRIENDSHIP!!!   8 465
17
21
8319 GLJIVE   -54 3674
2
6
2525 Encoding   1 706
1
17
2526 Decoding   4 798
23
12
2528 Monkey Vines   2 742
17
9

#ad-hoc-1

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