Farey sequence

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Problem

Given n, output Farey sequence of order n.
http://en.wikipedia.org/wiki/Farey_sequence

Options

exec is denied

now post-mortem time, all source codes will be revealed

Sample input:_

3

Sample output:

0/1
1/3
1/2
2/3
1/1

Sample input:_

5

Sample output:

0/1
1/5
1/4
1/3
2/5
1/2
3/5
2/3
3/4
4/5
1/1

Sample input:_

8

Sample output:

0/1
1/8
1/7
1/6
1/5
1/4
2/7
1/3
3/8
2/5
3/7
1/2
4/7
3/5
5/8
2/3
5/7
3/4
4/5
5/6
6/7
7/8
1/1

Ranking

Perl _

RankUserSizeTimeDateStatistics
1teebee500.00362011/03/23 03:56:340B / 15B / 34B
2tybalt89500.00712011/04/05 00:26:460B / ?B / ?B
3tails682.60982011/03/23 00:55:460B / 28B / 38B

Python _

RankUserSizeTimeDateStatistics
1hirose720.07312011/03/23 14:42:090B / 37B / 32B
2twobit820.07182011/03/23 04:34:320B / 42B / 37B
3hallvabo820.07392011/04/05 02:59:060B / 42B / 38B
4recursive830.07102011/03/26 05:40:430B / 42B / 37B

Scheme _

RankUserSizeTimeDateStatistics
1youz830.17722011/03/25 13:10:010B / 36B / 40B
2kaki840.18572011/03/28 20:40:230B / 43B / 36B
3kaki820.10642013/03/25 06:59:320B / 39B / 40B

Common LISP _

RankUserSizeTimeDateStatistics
1youz790.26162011/03/23 23:55:360B / 35B / 38B
2kozima800.28452011/03/25 17:41:290B / 40B / 36B

Arc _

RankUserSizeTimeDateStatistics
1youz795.98172011/03/24 22:57:120B / 43B / 25B

Clojure _

RankUserSizeTimeDateStatistics
1youz1125.49602011/04/05 13:01:020B / 47B / 53B

Io _

RankUserSizeTimeDateStatistics
1pooq1320.48432011/08/09 17:45:160B / 76B / 52B

JavaScript _

RankUserSizeTimeDateStatistics
1nn792.23812011/04/02 13:01:460B / 42B / 37B

Lua _

RankUserSizeTimeDateStatistics
1twobit1030.00312011/03/23 04:21:460B / 56B / 40B
2pooq(hirose)920.00302011/08/13 01:09:180B / 49B / 39B

Xtal _

RankUserSizeTimeDateStatistics
1pooq(hirose)900.08322011/08/13 01:02:040B / 47B / 42B

Prolog _

RankUserSizeTimeDateStatistics
1pooq(hirose)1110.14462011/08/13 08:55:520B / 56B / 48B

BASIC _

RankUserSizeTimeDateStatistics
1*yuko*750.04602011/06/22 23:39:120B / 40B / 35B

J _

RankUserSizeTimeDateStatistics
1pooq470.50062011/03/26 22:36:380B / 11B / 35B
2I., S.430.10802011/08/10 22:28:320B / 10B / 32B

C _

RankUserSizeTimeDateStatistics
1not940.09012011/03/23 02:05:300B / 46B / 48B
2nn940.09522011/04/05 00:19:580B / 46B / 48B
3hos980.00212011/03/22 15:56:380B / 47B / 51B
4inaniwa1330.00212011/03/23 21:42:290B / 63B / 70B

OCaml _

RankUserSizeTimeDateStatistics
1m.ukai2020.13002011/03/24 18:00:030B / 107B / 79B

Haskell _

RankUserSizeTimeDateStatistics
1notogawa1070.01892011/03/22 22:59:380B / 70B / 32B

Pascal _

RankUserSizeTimeDateStatistics
1*yuko*1240.00432011/04/05 00:43:140B / 72B / 42B
2*yuko*1210.03292011/06/22 23:27:180B / 71B / 40B

Fortran _

RankUserSizeTimeDateStatistics
1*yuko*870.02632011/04/03 09:26:240B / 48B / 38B

Maxima _

RankUserSizeTimeDateStatistics
1pooq1030.71342011/03/26 22:37:180B / 63B / 39B

AWK _

RankUserSizeTimeDateStatistics
1houmei1050.00252011/04/01 23:34:420B / ?B / ?B

R _

RankUserSizeTimeDateStatistics
1pooq(hirose)970.88962011/08/22 21:55:340B / 44B / 52B

z80 _

RankUserSizeTimeDateStatistics
1*yuko*530.20292011/04/03 14:07:4523B / 16B / 12B

Groovy _

RankUserSizeTimeDateStatistics
1nn767.10982011/03/27 12:03:520B / 48B / 28B

Logo _

RankUserSizeTimeDateStatistics
1teebee1060.08042011/03/25 06:53:010B / 64B / 23B

Language Ranking_

RankLangUserSizeScore
1JI., S.4310000
2Perlteebee508600
3z80*yuko*538113
4Pythonhirose725972
5BASIC*yuko*755733
6Groovynn765657
7Common LISPyouz795443
8Arcyouz795443
9JavaScriptnn795443
10Schemekaki825243
11Fortran*yuko*874942
12Xtalpooq(hirose)904777
13Luapooq(hirose)924673
14Cnot944574
15Rpooq(hirose)974432
16Maximapooq1034174
17AWKhoumei1054095
18Logoteebee1064056
19Haskellnotogawa1074018
20Prologpooq(hirose)1113873
21Clojureyouz1123839
22Pascal*yuko*1213553
23Iopooq1323257
24OCamlm.ukai2022128

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