ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   85 51043
6
4
4300 Rectangles   149 19543
4
8
4301 Tables   10 6177
3
3
29154 SUM OF DIGITS   8 2117
5
5
29695 GO GOA GONE   15 530
12
14
8061 Christmas Play   49 6803
5
4
13043 The Mirror of Galadriel   28 4873
2
3
4549 Adding Sevens   17 1847
17
6
5450 Tiles of Tetris, Not!   12 2867
4
5
4452 Simple Arithmetics II   49 6891
10
5
328 Bishops   75 7662
14
6
2852 Broken Keyboard   16 1116
14
14
17110 Black Widow Rings   14 2510
3
3
3921 The Great Ball   58 3689
7
11
10442 Candy Distribution   15 3565
2
4
19224 Lights, Snakes and Cages   4 75
26
30
2123 Candy I   72 22122
3
4
2148 Candy III   57 16569
9
5
1285 Continuous Fractions Again   3 344
17
13
1326 A Chase In WonderLand   1 360
17
1
2018 Clique Separation   68
16134 Save the cows!   4 49
1
8
16891 Character Patterns (Act 8)   1 408
6
1
4004 Exploding CPU   132
13769 Roommate Agreement   44 1236
12
18
26315 Crazy Smoker   22 1116
4
9
16778 Sir and the Guitar   4 125
5
6
867 Perfect Cubes   10 1886
7
5
17397 End of Fun   10 312
20
15
1166 Dead Fraction   1 301
17
34
2320 Manhattan   5 574
21
34
56 Dyzio   5 1007
15
15
25306 Easy Marks   2 347
1
1
1688 A Very Easy Problem!   37 5939
12
11
16420 Even Numbers   39 4029
6
6
3253 Electronic Document Security   2 141
23
6
1030 Triple Fat Ladies   91 14766
4
12
18714 Can You Make It Empty 2   15 1178
8
10
1787 Run Length Encoding   6 834
15
4
9788 Friends of Friends   57 6042
7
6
366 Farmer   252
1025 Fashion Shows   25 20941
3
3
6236 Matches   5 421
28
6
5970 Finding Primes   20 1081
16
14
9055 Most Frequent Value   16 326
15
22
18176 FRIENDSHIP!!!   12 558
15
21
8319 GLJIVE   -81 4130
2
5
34275 Game Store   5 130
5
7
2525 Encoding   2 729
9
17
2526 Decoding   7 1015
21
14

#ad-hoc-1

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