ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   69 46395
6
4
4300 Rectangles   120 17913
4
8
4301 Tables   9 5873
3
3
29154 SUM OF DIGITS   6 1627
4
4
29695 GO GOA GONE   11 423
11
13
8061 Christmas Play   42 6437
5
4
13043 The Mirror of Galadriel   24 4513
3
3
4549 Adding Sevens   15 1795
19
6
5450 Tiles of Tetris, Not!   9 2767
3
4
4452 Simple Arithmetics II   45 6629
10
5
328 Bishops   65 7275
14
6
2852 Broken Keyboard   12 1057
15
14
17110 Black Widow Rings   11 2419
3
3
3921 The Great Ball   50 3510
7
11
10442 Candy Distribution   13 3387
2
5
19224 Lights, Snakes and Cages   63
2123 Candy I   66 20126
3
4
2148 Candy III   44 15396
9
5
1285 Continuous Fractions Again   3 333
17
17
1326 A Chase In WonderLand   1 338
17
1
2018 Clique Separation   67
16134 Save the cows!   2 45
1
12
16891 Character Patterns (Act 8)   1 357
6
1
4004 Exploding CPU   130
13769 Roommate Agreement   36 1153
11
17
26315 Crazy Smoker   21 963
4
9
16778 Sir and the Guitar   4 110
5
5
867 Perfect Cubes   9 1851
7
5
17397 End of Fun   9 301
20
17
1166 Dead Fraction   1 297
17
34
2320 Manhattan   4 552
17
31
56 Dyzio   4 982
17
17
25306 Easy Marks   1 316
1
1
1688 A Very Easy Problem!   33 5816
11
11
16420 Even Numbers   36 3601
5
5
3253 Electronic Document Security   1 136
34
1
1030 Triple Fat Ladies   76 13858
4
13
18714 Can You Make It Empty 2   14 1118
8
10
1787 Run Length Encoding   4 830
17
5
9788 Friends of Friends   50 5589
7
6
366 Farmer   248
1025 Fashion Shows   24 19122
3
4
6236 Matches   5 414
28
6
5970 Finding Primes   18 967
17
16
9055 Most Frequent Value   11 249
14
24
18176 FRIENDSHIP!!!   11 542
16
21
8319 GLJIVE   -70 4020
2
5
34275 Game Store   2 81
7
5
2525 Encoding   1 722
1
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