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list of challenge problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
12919 Man of Steel   1 25 67.46
17
34
41224 Skarbonka   1 25 25.74
1
1
761 Minesweeper   54 41.06
41045 Obrazy i pokoje - Rooms and Pictures   20 22.68
41043 Odwracanie kartek - Pages reading   1 19 27.27
1
34
41047 Wieża z wiader - Bucket tower   23 15.46
12845 Minimum knight moves Challenge   3 346 72.09
34
17
3880 Nop   1 607 49.87
1
1
7480 Nth Prime   4 621 45.61
26
12
8315 Number to Word   1 230 42.52
34
1
219 Pawns Gone Wild   26 58.40
12874 Pell Fourth   2 13 58.02
17
34
8676 Digits of Phi (Golden Ratio)   3 296 53.42
9
9
11975 PIEK   183 92.17
34
42
270 Digits of Pi   13 5915 71.15
9
19
4246 Place the Numbers II   1 546 66.49
1
1
8733 Summing up Last digits   31 61.86
5842 Polybius square   2 1031 59.26
34
12
19558 PPrimes   3 131 57.23
21
12
919 Prime checker   10 1627 65.38
15
28
8405 Printf Parser   58 53.71
9
9
218 Points on a Sphere   1 196 67.64
17
26
1481 Yet another computer network problem   28 66.84
34
19206 Power Sum   39 52.22
19397 Fibonacci Power Sum   17 51.88
11689 Real Roots   1 44 92.48
50
50
4163 Relative Board   6 36.36
7105 Reverse the Input   3 549 34.63
28
12
755 Rectangles in a Square   1 32 59.73
17
34
27841 Sabotage   2 32 55.07
34
34
240 Santa Claus and the Presents   1 126 73.44
17
34
12655 Strongly Connected Chemicals   13 95.45
27840 Seedlings   34 73.36
3099 Super Quine   1 87 19.12
2732 Attack A Single Test File!   1 3 34.38
34
34
378 Size Contest   21 10832 55.92
6
1
1492 Lexicographic sort   4 580 52.97
17
9
126 Solovay-Strassen Inverted   104 54.94
155 Solving the Puzzle   2 12 4.50
34
17
2824 Glenbow Museum   3 18.52
13872 The SPP constant challenge   19 58.93
6295 Area Difference   2 394 44.67
6
5
1423 Digits of SQRT(2)   6 2760 67.18
11
11
1414 SuDoku Puzzle   5 440 54.01
27
21
18931 Sum of primes   4 58 25.30
23
28
11746 Sum the Series   7 1941 58.80
6
13
15619 Optimal Swap Sort   11 39.25
525 Fractions Calculator   54 41.07
9380 Connecting three towns   2 125 81.06
1
17
16509 Divisors   1 55 61.42
1
34

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