ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   40 37116
6
4
4300 Rectangles   74 13983
4
9
4301 Tables   8 5176
3
2
29154 SUM OF DIGITS   2 252
1
1
29695 GO GOA GONE   6 106
8
11
8061 Christmas Play   28 5216
6
3
13043 The Mirror of Galadriel   12 3555
2
3
4549 Adding Sevens   11 1597
21
7
5450 Tiles of Tetris, Not!   6 2338
2
3
4452 Simple Arithmetics II   26 5598
11
5
328 Bishops   43 6211
14
5
2852 Broken Keyboard   10 869
13
13
17110 Black Widow Rings   7 1943
2
2
3921 The Great Ball   32 2752
6
9
10442 Candy Distribution   10 2886
3
7
19224 Lights, Snakes and Cages   50
2123 Candy I   48 15976
3
4
2148 Candy III   19 12461
8
4
1285 Continuous Fractions Again   1 307
17
17
1326 A Chase In WonderLand   1 312
17
1
2018 Clique Separation   66
16134 Save the cows!   2 34
1
9
16891 Character Patterns (Act 8)   205
9
1
4004 Exploding CPU   126
13769 Roommate Agreement   19 800
9
17
26315 Crazy Smoker   12 598
5
6
16778 Sir and the Guitar   2 64
5
1
867 Perfect Cubes   4 1741
6
3
17397 End of Fun   6 250
17
17
1166 Dead Fraction   1 286
17
34
2320 Manhattan   485
26
34
56 Dyzio   3 922
21
17
25306 Easy Marks   2 196
1
1
1688 A Very Easy Problem!   21 5239
10
11
16420 Even Numbers   19 2723
4
4
3253 Electronic Document Security   1 133
34
1
1030 Triple Fat Ladies   50 11337
4
12
18714 Can You Make It Empty 2   10 845
10
11
1787 Run Length Encoding   786
1
1
9788 Friends of Friends   33 4413
6
5
366 Farmer   233
1025 Fashion Shows   10 15306
3
5
6236 Matches   2 383
34
1
5970 Finding Primes   10 738
20
16
9055 Most Frequent Value   3 138
17
28
18176 FRIENDSHIP!!!   7 423
15
17
8319 GLJIVE   -45 3497
2
6
2525 Encoding   696
2526 Decoding   3 733
23
12
2528 Monkey Vines   1 727
34
17

#ad-hoc-1

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