ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   78 49685
6
4
4300 Rectangles   143 19112
4
8
4301 Tables   9 6061
3
3
29154 SUM OF DIGITS   8 1988
5
5
29695 GO GOA GONE   14 510
11
13
8061 Christmas Play   48 6703
5
4
13043 The Mirror of Galadriel   28 4821
2
3
4549 Adding Sevens   17 1836
17
6
5450 Tiles of Tetris, Not!   11 2840
3
5
4452 Simple Arithmetics II   48 6839
10
5
328 Bishops   73 7585
14
6
2852 Broken Keyboard   16 1098
14
14
17110 Black Widow Rings   13 2488
2
2
3921 The Great Ball   56 3651
7
11
10442 Candy Distribution   15 3508
2
4
19224 Lights, Snakes and Cages   4 74
26
30
2123 Candy I   72 21612
3
4
2148 Candy III   58 16268
9
5
1285 Continuous Fractions Again   3 339
17
13
1326 A Chase In WonderLand   1 356
17
1
2018 Clique Separation   68
16134 Save the cows!   4 49
1
8
16891 Character Patterns (Act 8)   1 393
6
1
4004 Exploding CPU   131
13769 Roommate Agreement   41 1217
11
17
26315 Crazy Smoker   21 1098
4
9
16778 Sir and the Guitar   4 123
5
6
867 Perfect Cubes   10 1879
7
5
17397 End of Fun   10 309
20
15
1166 Dead Fraction   1 299
17
34
2320 Manhattan   5 570
21
34
56 Dyzio   5 1004
15
15
25306 Easy Marks   2 334
1
1
1688 A Very Easy Problem!   37 5910
12
11
16420 Even Numbers   39 3916
6
6
3253 Electronic Document Security   2 141
23
6
1030 Triple Fat Ladies   85 14554
4
12
18714 Can You Make It Empty 2   15 1151
8
10
1787 Run Length Encoding   5 832
14
4
9788 Friends of Friends   55 5925
7
5
366 Farmer   249
1025 Fashion Shows   23 20495
3
3
6236 Matches   5 419
28
6
5970 Finding Primes   20 1020
16
14
9055 Most Frequent Value   14 300
15
24
18176 FRIENDSHIP!!!   12 555
15
21
8319 GLJIVE   -76 4112
2
5
34275 Game Store   3 110
6
6
2525 Encoding   2 728
9
17
2526 Decoding   7 1012
21
14

#ad-hoc-1

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