ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   98 58417
6
4
4300 Rectangles   166 22534
4
8
4301 Tables   12 6448
3
3
29154 SUM OF DIGITS   10 2949
5
5
29695 GO GOA GONE   22 685
12
13
8061 Christmas Play   52 7327
5
4
13043 The Mirror of Galadriel   32 5456
2
3
4549 Adding Sevens   17 1896
17
6
5450 Tiles of Tetris, Not!   13 3021
4
5
4452 Simple Arithmetics II   55 7265
11
5
328 Bishops   80 8229
14
6
2852 Broken Keyboard   19 1154
14
14
17110 Black Widow Rings   15 2648
3
3
3921 The Great Ball   60 3847
7
11
10442 Candy Distribution   19 3768
2
4
19224 Lights, Snakes and Cages   4 80
26
30
2123 Candy I   90 25244
3
4
2148 Candy III   56 18356
9
5
1285 Continuous Fractions Again   4 360
17
14
1326 A Chase In WonderLand   2 386
9
1
2018 Clique Separation   71
16134 Save the cows!   5 54
1
6
16891 Character Patterns (Act 8)   1 456
6
1
4004 Exploding CPU   137
13769 Roommate Agreement   48 1363
11
17
26315 Crazy Smoker   22 1277
4
9
16778 Sir and the Guitar   6 137
4
5
867 Perfect Cubes   10 1974
7
5
17397 End of Fun   13 336
17
16
1166 Dead Fraction   1 308
17
34
2320 Manhattan   8 672
20
34
56 Dyzio   7 1072
12
14
25306 Easy Marks   4 398
1
1
1688 A Very Easy Problem!   40 6081
12
12
16420 Even Numbers   39 4752
6
6
3253 Electronic Document Security   2 146
23
6
1030 Triple Fat Ladies   102 16645
3
11
18714 Can You Make It Empty 2   15 1242
8
11
1787 Run Length Encoding   6 849
15
4
9788 Friends of Friends   63 6694
7
5
366 Farmer   255
1025 Fashion Shows   30 24201
2
3
6236 Matches   7 434
27
8
5970 Finding Primes   21 1261
17
15
9055 Most Frequent Value   24 581
14
21
18176 FRIENDSHIP!!!   15 602
15
20
8319 GLJIVE   -84 4288
2
5
34275 Game Store   7 175
6
6
2525 Encoding   2 738
9
17
2526 Decoding   8 1020
21
14

#ad-hoc-1

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