ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   89 53455
5
4
4300 Rectangles   159 20426
4
8
4301 Tables   11 6307
3
3
29154 SUM OF DIGITS   9 2424
5
5
29695 GO GOA GONE   21 598
12
13
8061 Christmas Play   49 7012
6
4
13043 The Mirror of Galadriel   30 5024
2
3
4549 Adding Sevens   17 1862
17
6
5450 Tiles of Tetris, Not!   12 2923
4
5
4452 Simple Arithmetics II   52 7068
11
5
328 Bishops   76 7843
14
6
2852 Broken Keyboard   17 1132
14
13
17110 Black Widow Rings   15 2560
3
3
3921 The Great Ball   59 3774
7
11
10442 Candy Distribution   16 3633
2
4
19224 Lights, Snakes and Cages   4 79
26
30
2123 Candy I   85 23282
3
4
2148 Candy III   57 17143
9
5
1285 Continuous Fractions Again   3 347
17
13
1326 A Chase In WonderLand   1 364
17
1
2018 Clique Separation   68
16134 Save the cows!   4 50
1
8
16891 Character Patterns (Act 8)   1 429
6
1
4004 Exploding CPU   133
13769 Roommate Agreement   46 1286
11
18
26315 Crazy Smoker   22 1152
4
9
16778 Sir and the Guitar   4 130
5
6
867 Perfect Cubes   10 1898
7
5
17397 End of Fun   11 318
20
15
1166 Dead Fraction   1 306
17
34
2320 Manhattan   6 665
23
34
56 Dyzio   6 1020
13
13
25306 Easy Marks   4 356
1
1
1688 A Very Easy Problem!   39 5978
12
12
16420 Even Numbers   39 4244
6
6
3253 Electronic Document Security   2 145
23
6
1030 Triple Fat Ladies   96 15292
4
11
18714 Can You Make It Empty 2   15 1204
8
11
1787 Run Length Encoding   6 846
15
4
9788 Friends of Friends   61 6355
7
5
366 Farmer   252
1025 Fashion Shows   28 21992
2
3
6236 Matches   7 427
27
8
5970 Finding Primes   20 1145
16
14
9055 Most Frequent Value   19 372
15
20
18176 FRIENDSHIP!!!   12 581
15
21
8319 GLJIVE   -81 4164
2
5
34275 Game Store   5 156
5
7
2525 Encoding   2 734
9
17
2526 Decoding   8 1018
21
14

#ad-hoc-1

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