ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   100 65471
6
4
4300 Rectangles   168 24686
5
8
4301 Tables   13 6518
2
3
29154 SUM OF DIGITS   11 3245
4
4
29695 GO GOA GONE   24 733
12
12
8061 Christmas Play   57 7495
6
4
13043 The Mirror of Galadriel   34 5693
2
3
4549 Adding Sevens   19 1907
17
6
5450 Tiles of Tetris, Not!   15 3096
4
5
4452 Simple Arithmetics II   55 7377
11
5
328 Bishops   82 8577
14
7
2852 Broken Keyboard   19 1177
14
14
17110 Black Widow Rings   16 2688
3
3
3921 The Great Ball   60 3898
7
11
10442 Candy Distribution   22 3845
2
4
19224 Lights, Snakes and Cages   4 82
24
34
2123 Candy I   92 26877
3
4
2148 Candy III   54 19438
9
5
1285 Continuous Fractions Again   5 365
17
12
1326 A Chase In WonderLand   2 393
9
1
2018 Clique Separation   71
16134 Save the cows!   5 54
1
6
16891 Character Patterns (Act 8)   1 476
6
1
4004 Exploding CPU   137
13769 Roommate Agreement   50 1403
11
17
26315 Crazy Smoker   23 1306
4
9
16778 Sir and the Guitar   6 141
4
5
867 Perfect Cubes   11 2080
7
5
17397 End of Fun   13 345
17
16
1166 Dead Fraction   311
17
26
2320 Manhattan   8 680
20
34
56 Dyzio   7 1149
12
14
25306 Easy Marks   4 416
1
1
1688 A Very Easy Problem!   40 6138
12
11
16420 Even Numbers   39 4991
6
5
3253 Electronic Document Security   3 147
23
6
1030 Triple Fat Ladies   104 18004
4
11
18714 Can You Make It Empty 2   15 1261
8
11
1787 Run Length Encoding   7 852
15
4
9788 Friends of Friends   66 6888
7
5
366 Farmer   259
1025 Fashion Shows   31 25930
2
3
6236 Matches   8 443
26
7
5970 Finding Primes   21 1283
16
15
9055 Most Frequent Value   26 635
14
22
18176 FRIENDSHIP!!!   15 616
15
20
8319 GLJIVE   -84 4339
2
5
34275 Game Store   9 192
6
7
2525 Encoding   3 739
12
12
2526 Decoding   9 1023
23
15

#ad-hoc-1

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