list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
378 Size Contest   21 10749 55.90
6
1
53 Kamil   26 6364 49.35
7
5
270 Digits of Pi   13 5867 71.29
9
19
314 Digits of e   5 2996 59.55
3
3
1423 Digits of SQRT(2)   6 2735 67.40
11
11
11746 Sum the Series   7 1862 58.89
6
13
919 Prime checker   10 1619 65.43
15
28
127 Johnny Goes Shopping   9 1498 65.90
20
24
3947 Brainf F##k Writing   9 1496 74.54
23
3
5842 Polybius square   2 1024 59.27
34
12
8102 Christmas Tree   4 825 66.23
5
5
6125 Dos Date   2 788 55.81
17
6
2004 Analyse Simple Arithmetical Expressions   1 724 51.39
17
1
7480 Nth Prime   4 618 45.56
26
12
3880 Nop   1 607 49.87
1
1
7105 Reverse the Input   3 544 34.53
28
12
4246 Place the Numbers II   1 540 66.30
1
1
1492 Lexicographic sort   4 457 50.49
17
9
1414 SuDoku Puzzle   5 432 53.73
30
21
6295 Area Difference   2 388 44.61
6
5
11790 Size Contest!!!Reloaded!!   1 347 38.70
9
1
12845 Minimum knight moves Challenge   3 342 72.07
34
17
317 Simple Image Recognition   3 317 72.56
17
26
8473 PATHS   2 308 44.95
30
5
22717 Kejriwal And Broom   6 300 56.92
1
4
8676 Digits of Phi (Golden Ratio)   2 293 53.69
17
17
11462 Fun with Fibonacci Series (Challenge)   1 288 34.35
17
17
8675 Equation Check   1 262 57.66
1
9
72 Food Shortage in Byteland   260 54.98
8315 Number to Word   1 227 42.39
34
1
218 Points on a Sphere   1 188 67.53
17
26
11975 PIEK   182 92.21
34
42
528 Shortest Superstring   4 174 48.18
28
34
316 Japan Crossword   159 68.28
7225 Word To Number   2 156 61.22
17
9
11445 EASY MATH (Challenge)   2 151 45.84
17
17
13423 64bit-Fibonacci   5 148 43.75
34
28
4760 Primes in Brainf##k   2 139 66.30
17
6
8638 Sum of Fibonacci numbers   1 135 72.81
50
34
298 Closing down Railway Lines   3 131 83.37
26
17
19558 PPrimes   3 131 57.25
21
12
12996 Wow Square   125 55.34
9380 Connecting three towns   2 122 81.08
1
17
240 Santa Claus and the Presents   121 73.44
285 Atomic Shelters   1 121 63.05
17
17
1422 Digital Image Processing   2 121 74.53
34
34
2628 Markov Algorithm   116 49.13
1711 Greatest Common Divisor   108 31.68
126 Solovay-Strassen Inverted   100 57.22
15036 Automatic Brainf##k Code Generator (Shortening AI)   3 92 51.86
26
17

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