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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13175 "a mod b" in BF   1 14 63.33
50
17
755 Rectangles in a Square   1 31 63.51
17
34
22733 AAP Volunteers   10 63.64
13083 "If Bigger than" in BF   1 25 64.32
17
17
11719 The dojo s corridor   2 71 64.41
26
34
321 X-Words   1 19 64.46
34
17
6173 Burned Pancakes Tower   1 23 64.61
17
17
13923 Fractionated morse cipher   10 64.83
919 Prime checker   10 1620 65.43
15
28
26321 God Number is 20 (Rubik)   1 25 65.86
34
1
127 Johnny Goes Shopping   9 1500 65.89
20
24
26800 Lawnmower   1 49 66.11
17
1
12874 Pell Fourth   2 13 66.13
17
34
8102 Christmas Tree   4 826 66.24
5
5
4760 Primes in Brainf##k   2 139 66.30
17
6
4246 Place the Numbers II   1 540 66.32
1
1
17867 Tone Transposition   5 66.36
20651 Reliability of Logic Circuits   49 66.56
50
50
22217 Help Santa Claus to Pack the Toys   1 5 66.74
34
34
1481 Yet another computer network problem   23 66.75
34
15673 Alice and Bob plays again   14 67.01
19205 Modular Bernoulli   6 67.21
1423 Digits of SQRT(2)   6 2737 67.39
11
11
12919 Man of Steel   1 25 67.46
17
34
218 Points on a Sphere   1 188 67.53
17
26
759 Hard Image Recognition   17 67.97
315 The Secret Fellowship of Byteland   45 67.98
232 Bytelandian Telecom   42 68.25
276 Herdkeeper   50 68.27
316 Japan Crossword   159 68.28
756 Literature List   65 68.30
289 The Turing Music Box   73 68.95
31758 Artisticity   3 68.97
34316 Chess Variants Showdown   1 1 70.25
34
34
13172 Good   -1 24 71.23
270 Digits of Pi   13 5870 71.27
9
19
326 Enjoying a Multiplayer Game   18 71.32
8733 Summing up Last digits   31 72.01
12845 Minimum knight moves Challenge   3 343 72.13
34
17
19920 Strchr in BF   2 9 72.55
26
17
317 Simple Image Recognition   3 317 72.56
17
26
17820 Guess The Number With Lies v5   1 72 72.66
50
50
8638 Sum of Fibonacci numbers   1 135 72.81
50
34
1558 Math II   36 73.24
240 Santa Claus and the Presents   121 73.44
3947 Brainf F##k Writing   9 1497 74.45
23
3
1422 Digital Image Processing   2 121 74.53
34
34
27840 Seedlings   34 74.92
313 The Game of Crosses & Crosses   26 75.52
10295 HQNP Incomputable Hard   3 61 76.49
21
38

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