ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   68 45476
6
5
4300 Rectangles   116 17569
4
8
4301 Tables   9 5823
3
3
29154 SUM OF DIGITS   5 1546
5
4
29695 GO GOA GONE   10 400
11
13
8061 Christmas Play   40 6334
5
4
13043 The Mirror of Galadriel   23 4419
2
3
4549 Adding Sevens   15 1788
19
6
5450 Tiles of Tetris, Not!   10 2713
2
4
4452 Simple Arithmetics II   44 6507
10
5
328 Bishops   65 7175
14
6
2852 Broken Keyboard   12 1053
15
14
17110 Black Widow Rings   10 2358
2
2
3921 The Great Ball   49 3479
7
11
10442 Candy Distribution   13 3347
2
5
19224 Lights, Snakes and Cages   62
2123 Candy I   65 19741
3
4
2148 Candy III   40 15151
8
5
1285 Continuous Fractions Again   3 332
17
17
1326 A Chase In WonderLand   1 337
17
1
2018 Clique Separation   67
16134 Save the cows!   2 45
1
12
16891 Character Patterns (Act 8)   1 348
6
1
4004 Exploding CPU   130
13769 Roommate Agreement   35 1134
11
17
26315 Crazy Smoker   19 916
3
9
16778 Sir and the Guitar   4 109
5
5
867 Perfect Cubes   9 1843
7
5
17397 End of Fun   9 298
20
17
1166 Dead Fraction   1 297
17
34
2320 Manhattan   4 541
17
31
56 Dyzio   4 978
17
17
25306 Easy Marks   1 305
1
1
1688 A Very Easy Problem!   32 5780
10
11
16420 Even Numbers   34 3504
4
5
3253 Electronic Document Security   1 136
34
1
1030 Triple Fat Ladies   74 13654
4
13
18714 Can You Make It Empty 2   14 1100
8
10
1787 Run Length Encoding   3 829
17
6
9788 Friends of Friends   49 5495
7
6
366 Farmer   241
1025 Fashion Shows   24 18748
3
4
6236 Matches   5 413
28
6
5970 Finding Primes   17 960
16
16
9055 Most Frequent Value   11 243
14
24
18176 FRIENDSHIP!!!   11 537
16
21
8319 GLJIVE   -67 3974
3
5
34275 Game Store   2 75
7
5
2525 Encoding   1 721
1
17
2526 Decoding   6 1002
21
13

#ad-hoc-1

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