ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   84 52767
6
4
4300 Rectangles   155 20207
5
8
4301 Tables   11 6261
3
3
29154 SUM OF DIGITS   9 2338
5
5
29695 GO GOA GONE   19 575
11
13
8061 Christmas Play   50 6956
6
4
13043 The Mirror of Galadriel   30 4988
2
3
4549 Adding Sevens   17 1857
17
6
5450 Tiles of Tetris, Not!   12 2908
4
5
4452 Simple Arithmetics II   52 6973
11
5
328 Bishops   76 7802
14
6
2852 Broken Keyboard   16 1129
14
14
17110 Black Widow Rings   15 2543
3
3
3921 The Great Ball   59 3751
7
11
10442 Candy Distribution   16 3616
2
4
19224 Lights, Snakes and Cages   4 78
26
30
2123 Candy I   79 23044
4
4
2148 Candy III   56 17005
9
5
1285 Continuous Fractions Again   3 344
17
13
1326 A Chase In WonderLand   1 363
17
1
2018 Clique Separation   68
16134 Save the cows!   4 49
1
8
16891 Character Patterns (Act 8)   1 424
6
1
4004 Exploding CPU   133
13769 Roommate Agreement   46 1275
11
18
26315 Crazy Smoker   22 1144
4
9
16778 Sir and the Guitar   4 128
5
6
867 Perfect Cubes   10 1893
7
5
17397 End of Fun   11 317
20
15
1166 Dead Fraction   1 304
17
34
2320 Manhattan   5 614
21
34
56 Dyzio   6 1016
13
13
25306 Easy Marks   3 353
1
1
1688 A Very Easy Problem!   38 5970
12
11
16420 Even Numbers   38 4173
6
6
3253 Electronic Document Security   2 145
23
6
1030 Triple Fat Ladies   95 15161
4
11
18714 Can You Make It Empty 2   15 1199
8
11
1787 Run Length Encoding   6 844
15
4
9788 Friends of Friends   60 6215
7
5
366 Farmer   252
1025 Fashion Shows   29 21748
2
3
6236 Matches   7 426
27
8
5970 Finding Primes   20 1126
16
14
9055 Most Frequent Value   19 362
15
20
18176 FRIENDSHIP!!!   12 573
15
21
8319 GLJIVE   -81 4150
2
5
34275 Game Store   5 151
5
7
2525 Encoding   2 732
9
17
2526 Decoding   8 1017
21
14

#ad-hoc-1

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