list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
525 Fractions Calculator   53 41.53
756 Literature List   65 68.30
758 Tetris AI   73 77.83
759 Hard Image Recognition   17 67.97
761 Minesweeper   50 40.38
1416 Electrification   35 38.19
1481 Yet another computer network problem   23 66.75
34
1558 Math II   36 73.24
1690 Intercept   42 31.73
1711 Greatest Common Divisor   108 31.68
1742 Brainf_ck   70 36.24
2628 Markov Algorithm   116 49.13
2659 Carl   70 39.22
2729 Discover   2 8.20
2824 Glenbow Museum   3 33.33
3099 Super Quine   1 84 19.38
4163 Relative Board   6 38.10
6338 Monster   46 51.28
6646 Fully Parenthesized Expression   26 43.75
7063 Cycles, More Cycles   16 83.43
7958 Prisoner of Benda (Challenge)   10 50.00
8579 BF_MODULUS   9 47.15
8672 Distributing the balls   26 32.73
8733 Summing up Last digits   31 72.01
8950 Grid points   44 57.73
11397 Find all independent nodes   23 89.23
11410 Find New SPOJ Problems   8 42.96
11793 Cartesian Shortest Path   52 44.15
12393 Enigma Machine   1 21 56.90
12655 Strongly Connected Chemicals   5 100.00
12996 Wow Square   125 55.34
13016 "If Equal" in BF   57 51.71
13172 Good   -1 24 71.23
13224 The BrainFast Processing! Challenge version   3 24.30
13366 TWO KINGS   17 62.42
13872 The SPP constant challenge   19 61.46
13923 Fractionated morse cipher   10 64.83
14530 Quadratic primes   1 10 63.31
15619 Optimal Swap Sort   9 43.29
15673 Alice and Bob plays again   14 67.01
17257 Guess The Number With Lies v1   31 47.29
17308 Guess The Number With Lies v2   68 54.30
17598 Guess The Number With Lies v4   13 63.16
17867 Tone Transposition   5 66.36
18073 Colour Brick Game   53 88.66
18901 The Secret Recipe   45 77.84
19205 Modular Bernoulli   6 67.21
19206 Power Sum   39 52.92
19397 Fibonacci Power Sum   17 56.02
19972 Counting triangles 2   9 52.94

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