ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   42 37491
6
4
4300 Rectangles   74 14182
4
9
4301 Tables   9 5215
3
2
29154 SUM OF DIGITS   2 326
1
1
29695 GO GOA GONE   5 124
11
14
8061 Christmas Play   29 5289
6
3
13043 The Mirror of Galadriel   13 3603
2
3
4549 Adding Sevens   12 1613
20
7
5450 Tiles of Tetris, Not!   7 2374
3
3
4452 Simple Arithmetics II   27 5652
11
5
328 Bishops   43 6269
15
5
2852 Broken Keyboard   10 882
13
13
17110 Black Widow Rings   7 1981
2
2
3921 The Great Ball   33 2774
7
10
10442 Candy Distribution   10 2918
3
7
19224 Lights, Snakes and Cages   50
2123 Candy I   48 16141
3
4
2148 Candy III   19 12574
8
4
1285 Continuous Fractions Again   1 307
17
17
1326 A Chase In WonderLand   1 313
17
1
2018 Clique Separation   66
16134 Save the cows!   2 34
1
9
16891 Character Patterns (Act 8)   214
9
1
4004 Exploding CPU   126
13769 Roommate Agreement   20 818
10
17
26315 Crazy Smoker   13 616
5
7
16778 Sir and the Guitar   2 64
5
1
867 Perfect Cubes   4 1750
6
3
17397 End of Fun   6 252
17
17
1166 Dead Fraction   1 288
17
34
2320 Manhattan   1 486
26
34
56 Dyzio   3 927
21
17
25306 Easy Marks   2 201
1
1
1688 A Very Easy Problem!   22 5266
10
10
16420 Even Numbers   18 2746
4
4
3253 Electronic Document Security   1 133
34
1
1030 Triple Fat Ladies   51 11471
5
12
18714 Can You Make It Empty 2   10 869
10
11
1787 Run Length Encoding   1 790
9
9
9788 Friends of Friends   35 4455
6
5
366 Farmer   233
1025 Fashion Shows   10 15463
3
5
6236 Matches   2 386
34
1
5970 Finding Primes   10 750
20
16
9055 Most Frequent Value   3 140
17
28
18176 FRIENDSHIP!!!   7 429
15
17
8319 GLJIVE   -48 3525
2
6
2525 Encoding   1 699
1
17
2526 Decoding   3 733
23
12
2528 Monkey Vines   1 727
34
17

#ad-hoc-1

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