alternating harmonic series

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Problem

Print the first 20 alternating harmonic numbers
1, 1-1/2, 1-1/2+1/3, ... , 1-1/2+1/3-...-1/20

Options

exec is denied

no deadline, the server will not save your submission

Sample input:_

*NOTHING*

Sample output:

1/1
1/2
5/6
7/12
47/60
37/60
319/420
533/840
1879/2520
1627/2520
20417/27720
18107/27720
263111/360360
237371/360360
52279/72072
95549/144144
1768477/2450448
1632341/2450448
33464927/46558512
155685007/232792560

Ranking

Ruby _

RankUserSizeTimeDateStatistics
1flagitious540.04892008/03/10 01:56:340B / 28B / 22B
2leonid540.10912008/03/10 02:10:460B / 28B / 23B
3murky-satyr550.11462008/03/09 09:17:270B / 29B / 23B
4eban570.09792010/07/28 16:54:590B / 29B / 27B
5Histocrat600.01862013/12/28 03:24:390B / 32B / 23B
6tabasa820.05622008/03/09 09:34:060B / ?B / ?B
7xdigit820.12402008/03/11 19:23:120B / 48B / 30B
8lynn2360.01602018/07/15 01:42:400B / 191B / 45B

Ruby2 _

RankUserSizeTimeDateStatistics
1mitchs360.06232015/11/28 13:29:260B / 19B / 15B
2lynn2360.06522018/07/15 01:42:490B / 191B / 45B

Perl _

RankUserSizeTimeDateStatistics
1tails490.10592017/02/08 10:35:080B / 27B / 21B
2teebee500.18182011/03/15 10:38:550B / 26B / 23B
3llhuii510.08102015/07/04 15:44:220B / ?B / ?B
4tybalt89610.24762010/08/16 09:12:470B / ?B / ?B
5corruptio1010.00082011/02/01 10:40:350B / 35B / 65B
6dcutter2180.01402010/07/06 01:12:420B / 177B / 22B
7lynn2370.01932018/07/15 01:42:430B / 196B / 41B
8TAKO/j0nKI2400.00012010/03/16 01:22:341B / ?B / ?B

Python _

RankUserSizeTimeDateStatistics
1llhuii840.04582015/07/04 15:17:210B / ?B / ?B
2teebee850.04262015/07/04 17:08:250B / 55B / 26B
3Stephan W.910.04722015/07/03 18:17:350B / ?B / ?B
4leonid920.02942012/02/08 15:56:460B / 48B / 42B
5hallvabo940.02942010/09/10 08:31:370B / 48B / 44B
6twobit950.03222011/02/02 10:17:190B / 49B / 43B
7hirose960.07072008/03/10 15:24:510B / 51B / 43B
8recursive960.03262011/02/02 02:02:540B / 49B / 45B
9kt3k1000.05872008/03/10 04:05:300B / 50B / 48B
10corruptio1000.02842011/02/01 10:25:490B / 51B / 35B
11lynn2370.02312018/07/15 01:42:550B / 196B / 41B

Python3 _

RankUserSizeTimeDateStatistics
1llhuii860.06292015/07/04 15:19:560B / ?B / ?B
2teebee890.06782015/07/04 08:37:310B / 53B / 33B
3Stephan W.940.07122015/07/03 17:25:170B / ?B / ?B

PHP _

RankUserSizeTimeDateStatistics
1murky-satyr1030.12592008/05/11 22:00:220B / 37B / 65B
2daira1220.16542008/05/02 11:18:110B / 44B / 77B
3lynn2110.05562018/07/15 01:42:510B / 172B / 20B
4TAKO/j0nKI2300.01612010/03/16 01:23:5819B / ?B / ?B

Scheme _

RankUserSizeTimeDateStatistics
1youz660.03692011/04/16 12:39:450B / 33B / 30B
2kaki660.03552011/04/16 12:54:110B / 32B / 28B
3murky-satyr750.03502011/04/10 00:37:350B / 34B / 34B
4xdigit1230.28332008/03/13 13:50:370B / 53B / 50B

Common LISP _

RankUserSizeTimeDateStatistics
1youz700.07422011/04/16 18:49:400B / 32B / 32B
2kozima770.05232008/03/10 18:24:020B / 36B / 33B
3xdigit980.02282008/03/11 10:39:550B / 50B / 39B

Arc _

RankUserSizeTimeDateStatistics
1youz422.42382011/04/18 12:57:420B / 17B / 20B
2murky-satyr452.50322011/04/17 02:33:490B / 20B / 20B
3pooq543.66002009/10/12 00:08:450B / 28B / 19B

Clojure _

RankUserSizeTimeDateStatistics
1youz661.84962011/04/16 18:49:310B / 28B / 35B
2murky-satyr661.79072011/04/17 02:46:320B / 32B / 30B

LilyPond _

RankUserSizeTimeDateStatistics
1lynn2400.52502018/07/15 01:42:500B / 196B / 44B

Io _

RankUserSizeTimeDateStatistics
151b930.88372008/05/16 18:45:510B / 48B / 40B
2murky-satyr931.01542008/05/16 19:35:190B / 46B / 44B
3lynn2370.05512018/07/15 01:42:430B / 196B / 41B

JavaScript _

RankUserSizeTimeDateStatistics
1murky-satyr840.05032008/03/09 23:51:540B / 39B / 45B
2lynn2390.02342018/07/15 01:42:430B / 196B / 43B

Lua _

RankUserSizeTimeDateStatistics
1clock1100.00012012/08/13 17:04:150B / 61B / 33B
2murky-satyr1120.01972008/04/01 02:52:580B / 62B / 36B
3lynn2370.01232018/07/15 01:42:440B / 196B / 41B

Tcl _

RankUserSizeTimeDateStatistics
1clock1470.01602012/08/27 08:52:080B / 78B / 34B
2murky-satyr1910.05092008/07/10 12:28:170B / 97B / 59B
3lynn2370.01902018/07/15 01:42:550B / 195B / 41B

Xtal _

RankUserSizeTimeDateStatistics
1lynn2350.01952018/07/15 01:42:430B / 192B / 43B

Crystal _

RankUserSizeTimeDateStatistics
1lynn2370.00012018/07/15 01:42:450B / 195B / 41B

Kite _

RankUserSizeTimeDateStatistics
1lynn2390.01552018/07/15 01:42:510B / 196B / 43B

Icon _

RankUserSizeTimeDateStatistics
1clock1310.01302012/05/05 20:50:400B / 72B / 53B

PARI/GP _

RankUserSizeTimeDateStatistics
1Hendrik440.01252015/05/22 11:07:160B / 23B / 21B
2teebee440.02132015/05/23 00:03:280B / 23B / 21B
3clock450.05922012/05/08 11:33:100B / 24B / 21B
4lynn2390.02262018/07/15 01:42:550B / 196B / 43B

Cyan _

RankUserSizeTimeDateStatistics
1lynn2350.29822018/07/15 01:42:440B / 194B / 41B

Smalltalk _

RankUserSizeTimeDateStatistics
1murky-satyr520.20212008/04/08 06:35:140B / 29B / 21B

Prolog _

RankUserSizeTimeDateStatistics
1lynn2430.02132018/07/15 01:42:430B / 197B / 46B

Forth _

RankUserSizeTimeDateStatistics
151b1450.08922008/03/12 19:06:160B / 79B / 21B

BASIC _

RankUserSizeTimeDateStatistics
1*yuko*920.00022010/08/26 18:36:3318B / 38B / 33B
2yt1050.03132008/03/10 10:38:470B / 61B / 33B
3lynn2330.01532018/07/15 01:42:550B / 191B / 42B

Perl6 _

RankUserSizeTimeDateStatistics
1murky-satyr372.61812010/08/08 13:49:070B / 16B / 20B
2dcutter2171.31272010/07/06 01:14:070B / 175B / 22B
3lynn2361.77672018/07/15 01:42:430B / 194B / 41B

Erlang _

RankUserSizeTimeDateStatistics
151b1770.39292008/03/10 14:01:360B / 80B / 86B

J _

RankUserSizeTimeDateStatistics
1I., S.320.02522015/11/29 18:05:230B / 10B / 22B
2pooq390.02062009/10/31 00:26:520B / 9B / 30B
3medialuna860.02372014/08/27 18:13:050B / ?B / ?B

K _

RankUserSizeTimeDateStatistics
1lynn2350.01252018/07/15 01:42:400B / 192B / 43B

C _

RankUserSizeTimeDateStatistics
1not960.00012010/01/26 11:11:020B / 46B / 50B
2llhuii960.00012015/07/04 16:08:560B / ?B / ?B
3hinoe970.03392008/03/09 21:08:160B / 45B / 52B
47gyou970.03142008/07/05 01:35:230B / 48B / 49B
5murky-satyr990.03372008/03/09 23:56:420B / 47B / 52B
651b990.01602008/03/10 04:43:110B / 46B / 53B
7inaniwa990.00012010/01/26 21:06:240B / 45B / 54B
8hallvabo1110.00022010/10/09 02:33:090B / 59B / 51B
9corruptio1220.00022011/02/01 11:01:560B / 66B / 54B
10funnything1690.00032008/07/04 06:03:5012B / 65B / 62B
11lynn2470.00012018/07/15 01:43:050B / 199B / 48B

D _

RankUserSizeTimeDateStatistics
151b1140.01362008/03/09 20:29:440B / 59B / 52B
2lynn2530.00012018/07/15 01:42:450B / 205B / 47B

Rust _

RankUserSizeTimeDateStatistics
1lynn2520.01352018/07/15 01:42:490B / 202B / 49B

OCaml _

RankUserSizeTimeDateStatistics
1ksk1210.29802008/04/15 02:12:480B / 75B / 37B
2m.ukai1210.35952008/04/15 12:24:240B / 75B / 37B
3lynn2440.02302018/07/15 01:42:440B / 202B / 42B

Haskell _

RankUserSizeTimeDateStatistics
1rst76750.00012010/09/16 10:55:040B / 48B / 24B
2notogawa750.00022010/09/16 20:12:390B / 45B / 27B
3xdigit1010.00532008/03/13 14:20:380B / 59B / 31B
4lynn2430.01452018/07/15 01:43:050B / 201B / 42B

ObjC _

RankUserSizeTimeDateStatistics
1lynn2470.01122018/07/15 01:42:550B / 199B / 48B

Java _

RankUserSizeTimeDateStatistics
1hallvabo1270.12412010/10/09 02:27:350B / 72B / 53B

Pascal _

RankUserSizeTimeDateStatistics
1*yuko*1380.00012010/08/26 23:17:5317B / 69B / 43B
2uru1760.01742009/04/28 01:37:570B / 112B / 46B
3lynn2490.01132018/07/15 01:42:430B / 204B / 44B

Fortran _

RankUserSizeTimeDateStatistics
1*yuko*1080.01312011/11/11 10:56:420B / 64B / 42B

C# _

RankUserSizeTimeDateStatistics
1lynn2840.02822018/07/15 01:43:050B / 229B / 52B

Nemerle _

RankUserSizeTimeDateStatistics
1murky-satyr1420.28972008/11/02 00:33:020B / 85B / 53B
2lynn2500.03062018/07/15 01:42:560B / 205B / 45B

Curry _

RankUserSizeTimeDateStatistics
1lynn2430.00012018/07/15 01:42:400B / 201B / 42B

Maxima _

RankUserSizeTimeDateStatistics
1clock630.10992012/10/31 18:50:060B / 32B / 30B
2pooq660.11672010/01/24 17:32:140B / 31B / 34B

REBOL _

RankUserSizeTimeDateStatistics
1clock1440.03532012/08/27 16:45:440B / 70B / 30B

AWK _

RankUserSizeTimeDateStatistics
1llhuii810.01072014/03/18 20:56:010B / 38B / 42B
2nn980.00042010/03/04 00:58:590B / 48B / 47B

sed _

RankUserSizeTimeDateStatistics
1clock2240.01332011/12/05 00:43:250B / 180B / 31B
2eban2310.00632008/03/08 18:18:090B / 173B / 39B

Bash _

RankUserSizeTimeDateStatistics
1llhuii760.01432015/07/04 21:08:530B / ?B / ?B

Zsh _

RankUserSizeTimeDateStatistics
1llhuii760.01222015/07/04 21:09:370B / ?B / ?B
2lynn2370.01662018/07/15 01:42:500B / 195B / 41B

Fish _

RankUserSizeTimeDateStatistics
1llhuii770.01852015/07/04 21:09:270B / ?B / ?B

wake _

RankUserSizeTimeDateStatistics
1clock2220.01722011/12/05 10:02:280B / 173B / 29B
2eban2330.00372010/07/28 17:09:370B / 191B / 42B

xgawk _

RankUserSizeTimeDateStatistics
1llhuii780.01072014/03/15 03:01:040B / 37B / 41B

m4 _

RankUserSizeTimeDateStatistics
1lynn2110.01172018/07/15 01:42:550B / 172B / 20B
2TAKO/j0nKI2300.00012010/04/08 23:39:1219B / 172B / 20B

Postscript _

RankUserSizeTimeDateStatistics
1yshl(bin)910.17162008/03/09 21:02:1045B / 34B / 12B
2yshl1780.19032008/03/09 21:01:350B / 130B / 13B

R _

RankUserSizeTimeDateStatistics
1murky-satyr1021.64482008/03/30 23:12:050B / 47B / 46B
251b1051.49982008/03/31 02:06:360B / 50B / 52B

Brainfuck _

RankUserSizeTimeDateStatistics
1mitchs (cheat)1910.03542016/07/13 14:14:3928B / 45B / 112B
2g33k2450.00012013/01/30 11:05:3120B / ?B / ?B
3REM11890.09452008/03/19 18:08:210B / ?B / ?B

GolfScript _

RankUserSizeTimeDateStatistics
1leonid190.03642010/01/29 15:19:450B / 5B / 14B
2irori200.04762011/04/15 23:55:000B / 5B / 15B
3flagitious410.20192008/03/10 01:59:480B / 19B / 22B
4lynn2320.02112018/07/15 01:42:460B / 191B / 41B

gs2 _

RankUserSizeTimeDateStatistics
1whio300.09692017/02/08 06:03:3512B / 8B / 8B

Burlesque _

RankUserSizeTimeDateStatistics
1Hendrik590.01692016/12/01 06:42:450B / 32B / 26B
2lynn2340.01862018/07/15 01:42:550B / 192B / 42B

Universal Lambda _

RankUserSizeTimeDateStatistics
1lynn2120.02322018/07/15 01:42:430B / 172B / 20B

D-compile-time _

RankUserSizeTimeDateStatistics
151b2750.54962008/03/30 22:15:560B / 167B / 92B

z80 _

RankUserSizeTimeDateStatistics
1lynn2230.01192018/07/15 01:42:437B / 173B / 24B

DOS _

RankUserSizeTimeDateStatistics
1chocobi2412.40992008/11/18 01:10:4726B / ?B / ?B

Vim _

RankUserSizeTimeDateStatistics
1clock1150.09532012/05/05 21:17:236B / 62B / 30B
2nn1950.03722010/10/10 14:00:120B / 116B / 63B
3lynn2150.02162018/07/15 01:42:441B / 175B / 20B

goruby _

RankUserSizeTimeDateStatistics
1mitchs260.02792016/01/19 02:26:370B / 11B / 14B
2murky-satyr280.02982010/01/04 16:09:210B / 12B / 15B
3leonid280.04462012/02/08 15:27:560B / 12B / 14B
4lynn2350.02822018/07/15 01:42:500B / 194B / 41B

Groovy _

RankUserSizeTimeDateStatistics
1murky-satyr851.17672009/12/26 23:39:350B / 44B / 36B
2nn871.17502009/12/27 17:02:390B / 48B / 33B

Scala _

RankUserSizeTimeDateStatistics
1murky-satyr967.47892011/04/10 00:51:100B / 52B / 33B

Language Ranking_

RankLangUserSizeScore
1GolfScriptleonid1910000
2gorubymitchs267307
3gs2whio306333
4JI., S.325937
5Ruby2mitchs365277
6Perl6murky-satyr375135
7Arcyouz424523
8PARI/GPHendrik444318
9Perltails493877
10Smalltalkmurky-satyr523653
11Rubyflagitious543518
12BurlesqueHendrik593220
13Maximaclock633015
14Schemeyouz662878
15Clojureyouz662878
16Common LISPyouz702714
17Haskellrst76752533
18Bashllhuii762500
19Zshllhuii762500
20Fishllhuii772467
21xgawkllhuii782435
22AWKllhuii812345
23JavaScriptmurky-satyr842261
24Pythonllhuii842261
25Groovymurky-satyr852235
26Python3llhuii862209
27Postscriptyshl(bin)912087
28BASIC*yuko*922065
29Io51b932043
30Cnot961979
31Scalamurky-satyr961979
32Rmurky-satyr1021862
33PHPmurky-satyr1031844
34Fortran*yuko*1081759
35Luaclock1101727
36D51b1141666
37Vimclock1151652
38OCamlksk1211570
39Javahallvabo1271496
40Iconclock1311450
41Pascal*yuko*1381376
42Nemerlemurky-satyr1421338
43REBOLclock1441319
44Forth51b1451310
45Tclclock1471292
46Erlang51b1771073
47Brainfuckmitchs (cheat)191994
48m4lynn211900
49Universal Lambdalynn212896
50wakeclock222855
51z80lynn223852
52sedclock224848
53Klynn235808
54Xtallynn235808
55Cyanlynn235808
56Crystallynn237801
57Kitelynn239794
58LilyPondlynn240791
59DOSchocobi241788
60Currylynn243781
61Prologlynn243781
62ObjClynn247769
63Rustlynn252753
64D-compile-time51b275690
65C#lynn284669

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