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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
41045 Obrazy i pokoje - Rooms and Pictures   10 15.00
41043 Odwracanie kartek - Pages reading   10 17.54
15619 Optimal Swap Sort   9 43.29
8473 PATHS   2 308 44.95
30
5
219 Pawns Gone Wild   23 60.70
12874 Pell Fourth   2 13 66.13
17
34
11975 PIEK   182 92.21
34
42
4246 Place the Numbers II   1 540 66.32
1
1
246 Plant a Christmas Tree   88 43.20
218 Points on a Sphere   1 188 67.53
17
26
5842 Polybius square   2 1026 59.23
34
12
19206 Power Sum   39 52.92
19558 PPrimes   3 131 57.25
21
12
919 Prime checker   10 1620 65.43
15
28
4760 Primes in Brainf##k   2 139 66.30
17
6
8405 Printf Parser   55 53.73
9
9
7958 Prisoner of Benda (Challenge)   10 50.00
14530 Quadratic primes   1 10 63.31
11689 Real Roots   1 34 94.29
50
50
755 Rectangles in a Square   1 31 63.51
17
34
4163 Relative Board   6 38.10
20651 Reliability of Logic Circuits   49 66.56
50
50
7105 Reverse the Input   3 544 34.48
28
12
2629 Robo Eye   1 39 78.03
34
34
27841 Sabotage   2 30 56.37
34
34
240 Santa Claus and the Presents   121 73.44
27840 Seedlings   34 74.92
528 Shortest Superstring   4 174 48.18
28
34
317 Simple Image Recognition   3 317 72.56
17
26
378 Size Contest   21 10753 55.90
6
1
11790 Size Contest!!!Reloaded!!   1 347 38.70
9
1
41224 Skarbonka   9 13.64
126 Solovay-Strassen Inverted   101 57.57
155 Solving the Puzzle   2 12 5.07
34
17
19920 Strchr in BF   2 9 72.55
26
17
12655 Strongly Connected Chemicals   5 100.00
1414 SuDoku Puzzle   5 432 53.73
30
21
8638 Sum of Fibonacci numbers   1 135 72.81
50
34
18931 Sum of primes   4 55 25.24
23
28
11746 Sum the Series   7 1864 58.88
6
13
8733 Summing up Last digits   31 72.01
3099 Super Quine   1 84 19.38
6877 Terminating or Non-Terminating   34 43.41
17
17
356 Tethering the Mammoths   12 80.98
758 Tetris AI   73 77.83
13224 The BrainFast Processing! Challenge version   3 24.30
222 The Burning City   43 58.65
11719 The dojo s corridor   2 71 64.41
26
34
7965 The Electronic Dice   1 52 54.03
34
17
313 The Game of Crosses & Crosses   26 75.52

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