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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
19206 Power Sum   39 52.92
5842 Polybius square   2 1027 59.23
34
12
218 Points on a Sphere   1 188 67.53
17
26
246 Plant a Christmas Tree   88 43.20
4246 Place the Numbers II   1 540 66.32
1
1
11975 PIEK   182 92.21
34
42
12874 Pell Fourth   2 13 66.13
17
34
219 Pawns Gone Wild   23 60.70
8473 PATHS   2 308 44.95
30
5
15619 Optimal Swap Sort   9 43.29
41043 Odwracanie kartek - Pages reading   10 17.54
41045 Obrazy i pokoje - Rooms and Pictures   10 15.00
8315 Number to Word   1 227 42.39
34
1
7480 Nth Prime   4 618 45.56
26
12
3880 Nop   1 607 49.87
1
1
225 Nightmare in the Towers of Hanoi   19 47.79
22734 Mr Phoenix And OR Operation   6 52.17
6338 Monster   46 51.28
19205 Modular Bernoulli   6 67.21
12845 Minimum knight moves Challenge   3 344 72.10
34
17
761 Minesweeper   50 40.38
31362 Matrix Multiplication 4K   4 41.67
17
17
13929 Matrix Exponentiation   2 83 50.66
23
23
1558 Math II   36 73.24
34317 Materializer   1 10 42.78
17
17
2628 Markov Algorithm   116 49.13
12919 Man of Steel   1 25 67.46
17
34
22739 Majority Party   9 53.95
2471 Magic Program II   1 68 35.65
17
17
756 Literature List   65 68.30
1492 Lexicographic sort   4 472 50.68
17
9
26753 lcm addition   6 28.00
26800 Lawnmower   1 49 66.11
17
1
22717 Kejriwal And Broom   6 300 56.92
1
4
53 Kamil   26 6369 49.35
7
5
41046 Kalibracja lasera - Laser calibration   11 46.15
127 Johnny Goes Shopping   9 1502 65.86
20
24
294 Johnny and the Optimisation of Homework   16 45.43
2624 JawBreaker Game   1 86 61.16
26
26
316 Japan Crossword   159 68.28
1690 Intercept   42 31.73
10295 HQNP Incomputable Hard   3 61 76.49
21
38
26801 Hieroglyphs   2 23 58.21
42
34
276 Herdkeeper   50 68.27
22217 Help Santa Claus to Pack the Toys   1 5 66.74
34
34
759 Hard Image Recognition   17 67.97
31757 Hamster   3 15 62.24
26
26
17820 Guess The Number With Lies v5   1 72 72.66
50
50
17598 Guess The Number With Lies v4   13 63.16
17308 Guess The Number With Lies v2   68 54.30

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