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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3880 Nop   1 607 49.87
1
1
4246 Place the Numbers II   1 540 66.32
1
1
8675 Equation Check   1 264 57.38
1
9
9380 Connecting three towns   2 122 81.08
1
17
16509 Divisors   1 55 61.14
1
34
22717 Kejriwal And Broom   6 300 56.92
1
4
41043 Odwracanie kartek - Pages reading   1 15 22.39
1
34
41224 Skarbonka   1 19 24.69
1
1
314 Digits of e   5 3009 60.21
3
3
8102 Christmas Tree   4 827 66.23
5
5
11746 Sum the Series   7 1865 58.89
6
13
378 Size Contest   21 10778 55.93
6
1
6295 Area Difference   2 388 44.61
6
5
53 Kamil   26 6382 49.35
7
5
270 Digits of Pi   13 5884 71.24
9
19
8405 Printf Parser   55 53.73
9
9
11790 Size Contest!!!Reloaded!!   1 347 38.70
9
1
1423 Digits of SQRT(2)   6 2743 67.38
11
11
919 Prime checker   10 1621 65.41
15
28
218 Points on a Sphere   1 190 67.56
17
26
240 Santa Claus and the Presents   1 122 73.43
17
34
285 Atomic Shelters   1 121 63.05
17
17
295 Bytelandian Origami   1 27 61.84
17
34
317 Simple Image Recognition   3 319 73.18
17
26
755 Rectangles in a Square   1 31 63.51
17
34
1492 Lexicographic sort   4 489 50.85
17
9
2004 Analyse Simple Arithmetical Expressions   1 724 51.31
17
1
2471 Magic Program II   1 68 35.65
17
17
4760 Primes in Brainf##k   2 139 66.30
17
6
6125 Dos Date   2 791 55.83
17
6
6173 Burned Pancakes Tower   1 23 64.61
17
17
6877 Terminating or Non-Terminating   34 43.41
17
17
7225 Word To Number   2 156 61.22
17
9
8676 Digits of Phi (Golden Ratio)   2 293 53.67
17
17
11445 EASY MATH (Challenge)   2 158 45.67
17
17
11451 Aritho-geometric Series (AGS) (Challenge)   1 55 47.17
17
17
11462 Fun with Fibonacci Series (Challenge)   1 289 34.35
17
17
12874 Pell Fourth   2 13 64.17
17
34
12919 Man of Steel   1 25 67.46
17
34
13083 "If Bigger than" in BF   1 25 64.32
17
17
26800 Lawnmower   1 49 66.11
17
1
31362 Matrix Multiplication 4K   5 36.36
17
17
34317 Materializer   1 10 42.78
17
17
127 Johnny Goes Shopping   9 1507 65.89
20
24
10295 HQNP Incomputable Hard   3 61 76.46
21
38
19558 PPrimes   3 131 57.15
21
12
3947 Brainf F##k Writing   9 1498 74.29
23
3
13929 Matrix Exponentiation   2 84 50.61
23
23
18931 Sum of primes   4 55 25.20
23
28
298 Closing down Railway Lines   3 132 83.37
26
17

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