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 66.30
1
1
8675 Equation Check   1 262 57.66
1
9
9380 Connecting three towns   2 122 81.08
1
17
16509 Divisors   1 55 61.23
1
34
22717 Kejriwal And Broom   6 300 56.92
1
4
314 Digits of e   5 2996 59.54
3
3
8102 Christmas Tree   4 825 66.23
5
5
11746 Sum the Series   7 1862 58.89
6
13
378 Size Contest   21 10749 55.90
6
1
6295 Area Difference   2 388 44.61
6
5
53 Kamil   26 6364 49.35
7
5
270 Digits of Pi   13 5867 71.29
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 2735 67.40
11
11
919 Prime checker   10 1619 65.43
15
28
218 Points on a Sphere   1 188 67.53
17
26
285 Atomic Shelters   1 121 63.05
17
17
295 Bytelandian Origami   1 27 61.84
17
34
317 Simple Image Recognition   3 317 72.56
17
26
1492 Lexicographic sort   4 457 50.49
17
9
2004 Analyse Simple Arithmetical Expressions   1 724 51.39
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   2 788 55.81
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 53.69
17
17
11445 EASY MATH (Challenge)   2 151 45.84
17
17
11451 Aritho-geometric Series (AGS) (Challenge)   1 55 47.17
17
17
11462 Fun with Fibonacci Series (Challenge)   1 288 34.35
17
17
12874 Pell Fourth   2 12 64.82
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   4 41.67
17
17
34317 Materializer   1 10 42.78
17
17
127 Johnny Goes Shopping   9 1498 65.90
20
24
10295 HQNP Incomputable Hard   3 61 76.49
21
38
19558 PPrimes   3 131 57.25
21
12
3947 Brainf F##k Writing   9 1496 74.54
23
3
13929 Matrix Exponentiation   2 83 50.66
23
23
18931 Sum of primes   4 55 25.24
23
28
298 Closing down Railway Lines   3 131 83.37
26
17
2624 JawBreaker Game   1 86 61.16
26
26
7480 Nth Prime   4 618 45.56
26
12
11719 The dojo s corridor   2 71 64.41
26
34
15036 Automatic Brainf##k Code Generator (Shortening AI)   3 92 51.86
26
17

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