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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
42574 Complex expression calculator   0 0.00
155 Solving the Puzzle   2 12 4.50
34
17
2729 Discover   2 8.02
41047 Wieża z wiader - Bucket tower   23 15.46
2824 Glenbow Museum   3 18.52
3099 Super Quine   1 87 19.12
13224 The BrainFast Processing! Challenge version   3 19.70
41045 Obrazy i pokoje - Rooms and Pictures   20 22.68
18931 Sum of primes   4 58 25.30
23
28
41224 Skarbonka   1 25 25.74
1
1
31362 Matrix Multiplication 4K   5 26.23
17
17
26753 lcm addition   6 26.79
41043 Odwracanie kartek - Pages reading   1 19 27.27
1
34
13418 Fibonacci factorization   1 10 29.70
50
50
1711 Greatest Common Divisor   113 30.87
1690 Intercept   42 31.67
8672 Distributing the balls   28 33.54
2732 Attack A Single Test File!   1 3 34.38
34
34
11462 Fun with Fibonacci Series (Challenge)   1 293 34.40
17
17
7105 Reverse the Input   3 549 34.63
28
12
2471 Magic Program II   1 68 35.60
17
17
1742 Brainf_ck   73 36.25
4163 Relative Board   6 36.36
1416 Electrification   38 38.73
11790 Size Contest!!!Reloaded!!   1 350 38.74
9
1
2659 Carl   70 39.19
15619 Optimal Swap Sort   11 39.25
761 Minesweeper   54 41.06
525 Fractions Calculator   54 41.07
11410 Find New SPOJ Problems   8 42.07
8315 Number to Word   1 230 42.52
34
1
225 Nightmare in the Towers of Hanoi   22 42.53
34317 Materializer   1 11 42.84
17
17
30830 128bit-Fibonacci   1 24 42.94
246 Plant a Christmas Tree   89 43.11
6877 Terminating or Non-Terminating   34 43.19
17
17
6646 Fully Parenthesized Expression   26 43.75
13423 64bit-Fibonacci   6 152 43.84
38
34
294 Johnny and the Optimisation of Homework   16 44.44
7958 Prisoner of Benda (Challenge)   1 18 44.57
34
34
11793 Cartesian Shortest Path   55 44.59
6295 Area Difference   2 394 44.67
6
5
8473 PATHS   2 308 45.04
30
5
7480 Nth Prime   4 621 45.61
26
12
11445 EASY MATH (Challenge)   4 177 46.12
17
17
11451 Aritho-geometric Series (AGS) (Challenge)   1 57 46.54
17
17
353 Displace   1 45 46.77
34
17
31758 Artisticity   4 47.06
17257 Guess The Number With Lies v1   33 47.13
8579 BF_MODULUS   9 47.15

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