list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
41045 Obrazy i pokoje - Rooms and Pictures   16 20.93
41043 Odwracanie kartek - Pages reading   1 15 22.39
1
34
15619 Optimal Swap Sort   9 43.29
8473 PATHS   2 308 44.95
30
5
219 Pawns Gone Wild   24 60.87
12874 Pell Fourth   2 13 64.17
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   1 190 67.56
17
26
5842 Polybius square   2 1027 59.25
34
12
19206 Power Sum   39 52.92
19558 PPrimes   3 131 57.15
21
12
919 Prime checker   10 1621 65.41
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)   1 17 45.49
34
34
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   3 546 34.57
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   1 122 73.43
17
34
27840 Seedlings   34 74.92
528 Shortest Superstring   4 174 48.15
28
34
317 Simple Image Recognition   3 319 73.18
17
26
378 Size Contest   21 10779 55.93
6
1
11790 Size Contest!!!Reloaded!!   1 347 38.70
9
1
41224 Skarbonka   1 19 24.69
1
1
126 Solovay-Strassen Inverted   102 57.44
155 Solving the Puzzle   2 12 5.05
34
17
19920 Strchr in BF   2 9 72.55
26
17
12655 Strongly Connected Chemicals   6 94.44
1414 SuDoku Puzzle   5 434 53.70
30
21
8638 Sum of Fibonacci numbers   1 135 72.81
50
34
18931 Sum of primes   4 55 25.20
23
28
11746 Sum the Series   7 1865 58.89
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   74 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   27 75.60

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