ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   45 38986
6
4
4300 Rectangles   85 14877
5
9
4301 Tables   7 5346
3
3
29154 SUM OF DIGITS   3 603
2
4
29695 GO GOA GONE   5 189
12
15
8061 Christmas Play   35 5561
6
4
13043 The Mirror of Galadriel   14 3800
2
3
4549 Adding Sevens   14 1655
18
6
5450 Tiles of Tetris, Not!   9 2464
3
4
4452 Simple Arithmetics II   32 5965
11
5
328 Bishops   53 6489
15
6
2852 Broken Keyboard   10 917
13
14
17110 Black Widow Rings   8 2097
2
2
3921 The Great Ball   35 2896
8
11
10442 Candy Distribution   12 3038
3
6
19224 Lights, Snakes and Cages   51
2123 Candy I   50 16909
3
4
2148 Candy III   24 13067
8
4
1285 Continuous Fractions Again   1 311
17
17
1326 A Chase In WonderLand   1 313
17
1
2018 Clique Separation   66
16134 Save the cows!   2 35
1
9
16891 Character Patterns (Act 8)   1 233
6
1
4004 Exploding CPU   127
13769 Roommate Agreement   27 904
10
16
26315 Crazy Smoker   15 686
4
9
16778 Sir and the Guitar   2 68
5
1
867 Perfect Cubes   8 1781
6
4
17397 End of Fun   8 267
21
17
1166 Dead Fraction   1 288
17
34
2320 Manhattan   1 507
26
34
56 Dyzio   3 941
21
17
25306 Easy Marks   2 226
1
1
1688 A Very Easy Problem!   26 5369
10
11
16420 Even Numbers   21 2939
4
4
3253 Electronic Document Security   1 133
34
1
1030 Triple Fat Ladies   49 11918
4
12
18714 Can You Make It Empty 2   11 924
9
11
1787 Run Length Encoding   2 799
17
6
9788 Friends of Friends   35 4726
7
6
366 Farmer   235
1025 Fashion Shows   12 16124
3
4
6236 Matches   2 391
34
1
5970 Finding Primes   12 795
17
15
9055 Most Frequent Value   6 153
12
23
18176 FRIENDSHIP!!!   8 450
17
21
8319 GLJIVE   -53 3636
2
5
2525 Encoding   1 704
1
17
2526 Decoding   4 737
23
12
2528 Monkey Vines   2 739
17
9

#ad-hoc-1

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