ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   42 38267
6
4
4300 Rectangles   82 14541
5
9
4301 Tables   8 5268
3
2
29154 SUM OF DIGITS   4 455
2
2
29695 GO GOA GONE   5 147
11
14
8061 Christmas Play   33 5414
6
3
13043 The Mirror of Galadriel   13 3676
2
3
4549 Adding Sevens   12 1631
20
7
5450 Tiles of Tetris, Not!   7 2408
3
3
4452 Simple Arithmetics II   29 5847
10
5
328 Bishops   47 6376
15
5
2852 Broken Keyboard   10 895
13
14
17110 Black Widow Rings   8 2030
2
2
3921 The Great Ball   33 2838
8
11
10442 Candy Distribution   11 2973
3
6
19224 Lights, Snakes and Cages   50
2123 Candy I   51 16557
3
4
2148 Candy III   24 12825
8
4
1285 Continuous Fractions Again   1 310
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)   1 223
6
1
4004 Exploding CPU   126
13769 Roommate Agreement   21 844
10
16
26315 Crazy Smoker   15 635
4
9
16778 Sir and the Guitar   2 66
5
1
867 Perfect Cubes   6 1766
8
5
17397 End of Fun   8 258
21
17
1166 Dead Fraction   1 288
17
34
2320 Manhattan   1 486
26
34
56 Dyzio   3 931
21
17
25306 Easy Marks   2 206
1
1
1688 A Very Easy Problem!   22 5313
10
10
16420 Even Numbers   20 2827
4
4
3253 Electronic Document Security   1 133
34
1
1030 Triple Fat Ladies   51 11681
5
12
18714 Can You Make It Empty 2   10 898
10
11
1787 Run Length Encoding   2 792
17
6
9788 Friends of Friends   32 4562
7
5
366 Farmer   235
1025 Fashion Shows   11 15800
3
4
6236 Matches   2 389
34
1
5970 Finding Primes   11 771
19
15
9055 Most Frequent Value   3 139
17
28
18176 FRIENDSHIP!!!   7 443
19
21
8319 GLJIVE   -50 3582
2
5
2525 Encoding   1 700
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