list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
6646 Fully Parenthesized Expression   26 43.75
8672 Distributing the balls   26 32.73
12919 Man of Steel   1 25 67.46
17
34
13083 "If Bigger than" in BF   1 25 64.32
17
17
26321 God Number is 20 (Rubik)   1 25 65.86
34
1
13172 Good   -1 24 71.23
14808 Discrete Math Problem (shorten)   1 24 58.99
34
34
18837 Boring Factorials (Ultimate)   1 24 49.45
34
34
30830 128bit-Fibonacci   1 24 43.87
219 Pawns Gone Wild   23 60.70
1481 Yet another computer network problem   23 66.75
34
6173 Burned Pancakes Tower   1 23 64.61
17
17
11397 Find all independent nodes   23 89.23
26801 Hieroglyphs   2 23 58.21
42
34
12393 Enigma Machine   1 21 56.90
225 Nightmare in the Towers of Hanoi   19 47.79
321 X-Words   1 19 64.46
34
17
13872 The SPP constant challenge   19 61.46
326 Enjoying a Multiplayer Game   18 71.32
759 Hard Image Recognition   17 67.97
13366 TWO KINGS   17 62.42
19397 Fibonacci Power Sum   17 56.02
294 Johnny and the Optimisation of Homework   16 45.43
7063 Cycles, More Cycles   16 83.43
31757 Hamster   3 15 62.24
26
26
13175 "a mod b" in BF   1 14 63.33
50
17
15673 Alice and Bob plays again   14 67.01
41047 Wieża z wiader - Bucket tower   14 18.56
12874 Pell Fourth   2 13 66.13
17
34
17598 Guess The Number With Lies v4   13 63.16
155 Solving the Puzzle   2 12 5.07
34
17
356 Tethering the Mammoths   12 80.98
41046 Kalibracja lasera - Laser calibration   11 46.15
7958 Prisoner of Benda (Challenge)   10 50.00
13418 Fibonacci factorization   1 10 30.60
50
50
13923 Fractionated morse cipher   10 64.83
14530 Quadratic primes   1 10 63.31
22733 AAP Volunteers   10 63.64
34317 Materializer   1 10 42.78
17
17
41043 Odwracanie kartek - Pages reading   10 17.54
41045 Obrazy i pokoje - Rooms and Pictures   10 15.00
8579 BF_MODULUS   9 47.15
15619 Optimal Swap Sort   9 43.29
19920 Strchr in BF   2 9 72.55
26
17
19972 Counting triangles 2   9 52.94
22739 Majority Party   9 53.95
41224 Skarbonka   9 13.64
11410 Find New SPOJ Problems   8 42.96
4163 Relative Board   6 38.10
19205 Modular Bernoulli   6 67.21

Most popular tags