1. Classical
  2. Challenge
  3. Partial
  4. Tutorial
  5. Riddle
  6. Basics
  7. #tags

ID NAME QUALITY USERS ACC % DIFFICULTY C I
42 Adding Reversed Numbers   103 76958
6
4
4300 Rectangles   174 26700
5
8
4301 Tables   14 6599
2
3
29154 SUM OF DIGITS   11 3595
4
4
29695 GO GOA GONE   24 827
12
12
8061 Christmas Play   57 7736
6
4
13043 The Mirror of Galadriel   33 5929
2
3
4549 Adding Sevens   19 1922
17
6
5450 Tiles of Tetris, Not!   15 3154
4
5
4452 Simple Arithmetics II   55 7450
11
5
328 Bishops   82 8928
14
7
2852 Broken Keyboard   19 1195
14
14
17110 Black Widow Rings   15 2713
3
3
3921 The Great Ball   60 3932
7
11
10442 Candy Distribution   22 3912
2
4
19224 Lights, Snakes and Cages   4 84
24
34
2123 Candy I   97 28551
4
5
2148 Candy III   54 20398
9
5
1285 Continuous Fractions Again   5 368
17
12
1326 A Chase In WonderLand   2 404
9
1
2018 Clique Separation   71
16134 Save the cows!   5 59
1
6
16891 Character Patterns (Act 8)   1 503
6
1
4004 Exploding CPU   141
13769 Roommate Agreement   51 1461
11
17
26315 Crazy Smoker   23 1340
4
9
16778 Sir and the Guitar   6 146
4
5
867 Perfect Cubes   11 2173
7
5
17397 End of Fun   14 352
17
16
1166 Dead Fraction   315
17
26
2320 Manhattan   9 694
20
34
56 Dyzio   8 1209
11
14
25306 Easy Marks   4 436
1
1
1688 A Very Easy Problem!   40 6165
12
11
16420 Even Numbers   40 5237
6
5
3253 Electronic Document Security   3 149
23
6
1030 Triple Fat Ladies   106 19078
4
12
18714 Can You Make It Empty 2   15 1317
8
11
1787 Run Length Encoding   7 855
15
4
9788 Friends of Friends   67 7114
7
5
366 Farmer   1 264
1
1
1025 Fashion Shows   30 27632
3
3
6236 Matches   8 449
26
7
5970 Finding Primes   22 1330
16
15
9055 Most Frequent Value   28 719
15
22
18176 FRIENDSHIP!!!   15 628
15
20
8319 GLJIVE   -85 4388
2
5
34275 Game Store   10 204
6
7
2525 Encoding   3 744
12
12
2526 Decoding   9 1034
23
15

#ad-hoc-1

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


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