list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2004 Analyse Simple Arithmetical Expressions   1 724 51.06
17
1
3880 Nop   1 607 49.87
1
1
4246 Place the Numbers II   1 546 66.49
1
1
8315 Number to Word   1 230 42.52
34
1
11790 Size Contest!!!Reloaded!!   1 350 38.74
9
1
26321 God Number is 20 (Rubik)   1 25 65.85
34
1
26800 Lawnmower   1 51 65.97
17
1
41224 Skarbonka   1 25 25.74
1
1
378 Size Contest   21 10832 55.92
6
1
314 Digits of e   5 3029 60.12
3
3
3947 Brainf F##k Writing   9 1498 74.11
23
3
22717 Kejriwal And Broom   6 303 56.95
1
4
6295 Area Difference   2 395 44.68
6
5
8102 Christmas Tree   4 832 66.29
5
5
8473 PATHS   2 308 45.04
30
5
53 Kamil   27 6423 49.28
7
5
4760 Primes in Brainf##k   2 139 66.30
17
6
6125 Dos Date   2 793 55.86
17
6
7225 Word To Number   3 159 60.48
12
6
8675 Equation Check   2 267 57.35
1
6
1492 Lexicographic sort   4 580 52.98
17
9
8405 Printf Parser   58 53.71
9
9
8676 Digits of Phi (Golden Ratio)   3 296 53.42
9
9
11849 A Very Easy Problem! (Challenge Mode)   2 84 50.48
42
9
1423 Digits of SQRT(2)   6 2760 67.18
11
11
5842 Polybius square   2 1031 59.26
34
12
7105 Reverse the Input   3 549 34.63
28
12
7480 Nth Prime   4 621 45.61
26
12
19558 PPrimes   3 131 57.23
21
12
11746 Sum the Series   7 1941 58.80
6
13
155 Solving the Puzzle   2 12 4.50
34
17
285 Atomic Shelters   1 125 62.66
17
17
298 Closing down Railway Lines   3 134 83.36
26
17
321 X-Words   1 22 64.10
34
17
353 Displace   1 45 46.77
34
17
2471 Magic Program II   1 68 35.60
17
17
6173 Burned Pancakes Tower   1 25 61.47
17
17
6877 Terminating or Non-Terminating   34 43.19
17
17
7965 The Electronic Dice   1 52 54.03
34
17
9380 Connecting three towns   2 125 81.06
1
17
11445 EASY MATH (Challenge)   4 177 46.12
17
17
11451 Aritho-geometric Series (AGS) (Challenge)   1 57 46.54
17
17
11462 Fun with Fibonacci Series (Challenge)   1 293 34.40
17
17
11815 Tiling a WxH Grid With Dominoes   42 54.15
34
17
12845 Minimum knight moves Challenge   3 346 72.09
34
17
13083 "If Bigger than" in BF   1 25 64.32
17
17
13175 "a mod b" in BF   1 14 63.33
50
17
15036 Automatic Brainf##k Code Generator (Shortening AI)   3 94 51.85
26
17
19920 Strchr in BF   2 9 69.81
26
17
31362 Matrix Multiplication 4K   5 26.23
17
17

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