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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2004 Analyse Simple Arithmetical Expressions   1 724 51.39
17
1
3880 Nop   1 607 49.87
1
1
4246 Place the Numbers II   1 540 66.32
1
1
8315 Number to Word   1 227 42.39
34
1
11790 Size Contest!!!Reloaded!!   1 347 38.70
9
1
26321 God Number is 20 (Rubik)   1 25 65.86
34
1
26800 Lawnmower   1 49 66.11
17
1
378 Size Contest   21 10751 55.90
6
1
314 Digits of e   5 2996 59.54
3
3
3947 Brainf F##k Writing   9 1496 74.47
23
3
22717 Kejriwal And Broom   6 300 56.92
1
4
6295 Area Difference   2 388 44.61
6
5
8102 Christmas Tree   4 825 66.23
5
5
8473 PATHS   2 308 44.95
30
5
53 Kamil   26 6364 49.35
7
5
4760 Primes in Brainf##k   2 139 66.30
17
6
6125 Dos Date   2 788 55.81
17
6
1492 Lexicographic sort   4 458 50.50
17
9
7225 Word To Number   2 156 61.22
17
9
8405 Printf Parser   55 53.73
9
9
8675 Equation Check   1 262 57.58
1
9
11849 A Very Easy Problem! (Challenge Mode)   2 80 50.79
42
9
1423 Digits of SQRT(2)   6 2735 67.40
11
11
5842 Polybius square   2 1025 59.25
34
12
7105 Reverse the Input   3 544 34.53
28
12
7480 Nth Prime   4 618 45.56
26
12
19558 PPrimes   3 131 57.25
21
12
11746 Sum the Series   7 1863 58.87
6
13
155 Solving the Puzzle   2 12 5.07
34
17
285 Atomic Shelters   1 121 63.05
17
17
298 Closing down Railway Lines   3 131 83.37
26
17
321 X-Words   1 19 64.46
34
17
353 Displace   1 43 47.08
34
17
2471 Magic Program II   1 68 35.65
17
17
6173 Burned Pancakes Tower   1 23 64.61
17
17
6877 Terminating or Non-Terminating   34 43.41
17
17
7965 The Electronic Dice   1 52 54.35
34
17
8676 Digits of Phi (Golden Ratio)   2 293 53.66
17
17
9380 Connecting three towns   2 122 81.08
1
17
11445 EASY MATH (Challenge)   2 155 45.86
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
11815 Tiling a WxH Grid With Dominoes   41 54.16
34
17
12845 Minimum knight moves Challenge   3 342 72.07
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 92 51.86
26
17
19920 Strchr in BF   2 9 72.55
26
17
31362 Matrix Multiplication 4K   4 41.67
17
17
34317 Materializer   1 10 42.78
17
17

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