ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   42 37799
6
4
4300 Rectangles   78 14302
5
9
4301 Tables   9 5244
3
2
29154 SUM OF DIGITS   2 388
1
1
29695 GO GOA GONE   5 133
11
14
8061 Christmas Play   30 5332
6
4
13043 The Mirror of Galadriel   13 3633
2
3
4549 Adding Sevens   12 1619
20
7
5450 Tiles of Tetris, Not!   7 2391
3
3
4452 Simple Arithmetics II   27 5740
11
5
328 Bishops   44 6308
15
5
2852 Broken Keyboard   10 889
13
13
17110 Black Widow Rings   8 2007
2
2
3921 The Great Ball   34 2798
7
10
10442 Candy Distribution   10 2942
3
7
19224 Lights, Snakes and Cages   50
2123 Candy I   49 16334
3
4
2148 Candy III   24 12661
8
4
1285 Continuous Fractions Again   1 308
17
17
1326 A Chase In WonderLand   1 311
17
1
2018 Clique Separation   66
16134 Save the cows!   2 34
1
9
16891 Character Patterns (Act 8)   216
9
1
4004 Exploding CPU   126
13769 Roommate Agreement   20 823
10
17
26315 Crazy Smoker   13 622
4
8
16778 Sir and the Guitar   2 64
5
1
867 Perfect Cubes   4 1757
6
3
17397 End of Fun   6 253
17
17
1166 Dead Fraction   1 288
17
34
2320 Manhattan   1 486
26
34
56 Dyzio   3 929
21
17
25306 Easy Marks   2 202
1
1
1688 A Very Easy Problem!   22 5293
10
10
16420 Even Numbers   18 2763
4
4
3253 Electronic Document Security   1 133
34
1
1030 Triple Fat Ladies   51 11553
5
12
18714 Can You Make It Empty 2   10 876
10
11
1787 Run Length Encoding   1 791
9
9
9788 Friends of Friends   35 4491
6
5
366 Farmer   234
1025 Fashion Shows   10 15570
3
5
6236 Matches   2 387
34
1
5970 Finding Primes   11 757
19
15
9055 Most Frequent Value   3 139
17
28
18176 FRIENDSHIP!!!   7 434
15
17
8319 GLJIVE   -49 3546
2
5
2525 Encoding   1 699
1
17
2526 Decoding   3 733
23
12
2528 Monkey Vines   2 731
17
9

#ad-hoc-1

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