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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
17308 Guess The Number With Lies v2   68 54.30
1742 Brainf_ck   70 36.24
2659 Carl   70 39.22
11719 The dojo s corridor   2 71 64.41
26
34
17820 Guess The Number With Lies v5   1 72 72.66
50
50
289 The Turing Music Box   73 68.95
758 Tetris AI   73 77.83
11849 A Very Easy Problem! (Challenge Mode)   2 80 50.79
42
9
13929 Matrix Exponentiation   2 83 50.66
23
23
3099 Super Quine   1 84 19.38
2624 JawBreaker Game   1 86 61.16
26
26
246 Plant a Christmas Tree   88 43.20
15036 Automatic Brainf##k Code Generator (Shortening AI)   3 92 51.86
26
17
126 Solovay-Strassen Inverted   101 57.57
1711 Greatest Common Divisor   108 31.68
2628 Markov Algorithm   116 49.13
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
9380 Connecting three towns   2 122 81.08
1
17
12996 Wow Square   125 55.34
298 Closing down Railway Lines   3 131 83.37
26
17
19558 PPrimes   3 131 57.25
21
12
8638 Sum of Fibonacci numbers   1 135 72.81
50
34
4760 Primes in Brainf##k   2 139 66.30
17
6
13423 64bit-Fibonacci   6 149 43.78
38
34
7225 Word To Number   2 156 61.22
17
9
11445 EASY MATH (Challenge)   2 156 45.90
17
17
316 Japan Crossword   159 68.28
528 Shortest Superstring   4 174 48.18
28
34
11975 PIEK   182 92.21
34
42
218 Points on a Sphere   1 188 67.53
17
26
8315 Number to Word   1 227 42.39
34
1
72 Food Shortage in Byteland   260 54.90
8675 Equation Check   1 262 57.52
1
9
11462 Fun with Fibonacci Series (Challenge)   1 288 34.35
17
17
8676 Digits of Phi (Golden Ratio)   2 293 53.67
17
17
22717 Kejriwal And Broom   6 300 56.92
1
4
8473 PATHS   2 308 44.95
30
5
317 Simple Image Recognition   3 317 72.56
17
26
12845 Minimum knight moves Challenge   3 344 72.10
34
17
11790 Size Contest!!!Reloaded!!   1 347 38.70
9
1
6295 Area Difference   2 388 44.61
6
5
1414 SuDoku Puzzle   5 432 53.73
30
21
1492 Lexicographic sort   4 470 51.01
17
9
4246 Place the Numbers II   1 540 66.32
1
1
7105 Reverse the Input   3 544 34.48
28
12
3880 Nop   1 607 49.87
1
1
7480 Nth Prime   4 618 45.56
26
12
2004 Analyse Simple Arithmetical Expressions   1 724 51.31
17
1

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