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 _

Rank	User	Size	Time	Date	Statistics
1	flagitious	54	0.0489	2008/03/10 01:56:34	0B / 28B / 22B
2	leonid	54	0.1091	2008/03/10 02:10:46	0B / 28B / 23B
3	murky-satyr	55	0.1146	2008/03/09 09:17:27	0B / 29B / 23B
4	eban	57	0.0979	2010/07/28 16:54:59	0B / 29B / 27B
5	Histocrat	60	0.0186	2013/12/28 03:24:39	0B / 32B / 23B
6	tabasa	82	0.0562	2008/03/09 09:34:06	0B / ?B / ?B
7	xdigit	82	0.1240	2008/03/11 19:23:12	0B / 48B / 30B
8	lynn	236	0.0160	2018/07/15 01:42:40	0B / 191B / 45B

Ruby2 _

Rank	User	Size	Time	Date	Statistics
1	mitchs	36	0.0623	2015/11/28 13:29:26	0B / 19B / 15B
2	lynn	236	0.0652	2018/07/15 01:42:49	0B / 191B / 45B

Perl _

Rank	User	Size	Time	Date	Statistics
1	tails	49	0.1059	2017/02/08 10:35:08	0B / 27B / 21B
2	teebee	50	0.1818	2011/03/15 10:38:55	0B / 26B / 23B
3	llhuii	51	0.0810	2015/07/04 15:44:22	0B / ?B / ?B
4	tybalt89	61	0.2476	2010/08/16 09:12:47	0B / ?B / ?B
5	corruptio	101	0.0008	2011/02/01 10:40:35	0B / 35B / 65B
6	dcutter	218	0.0140	2010/07/06 01:12:42	0B / 177B / 22B
7	lynn	237	0.0193	2018/07/15 01:42:43	0B / 196B / 41B
8	TAKO/j0nKI	240	0.0001	2010/03/16 01:22:34	1B / ?B / ?B

Python _

Rank	User	Size	Time	Date	Statistics
1	llhuii	84	0.0458	2015/07/04 15:17:21	0B / ?B / ?B
2	teebee	85	0.0426	2015/07/04 17:08:25	0B / 55B / 26B
3	Stephan W.	91	0.0472	2015/07/03 18:17:35	0B / ?B / ?B
4	leonid	92	0.0294	2012/02/08 15:56:46	0B / 48B / 42B
5	hallvabo	94	0.0294	2010/09/10 08:31:37	0B / 48B / 44B
6	twobit	95	0.0322	2011/02/02 10:17:19	0B / 49B / 43B
7	hirose	96	0.0707	2008/03/10 15:24:51	0B / 51B / 43B
8	recursive	96	0.0326	2011/02/02 02:02:54	0B / 49B / 45B
9	kt3k	100	0.0587	2008/03/10 04:05:30	0B / 50B / 48B
10	corruptio	100	0.0284	2011/02/01 10:25:49	0B / 51B / 35B
11	lynn	237	0.0231	2018/07/15 01:42:55	0B / 196B / 41B

Python3 _

Rank	User	Size	Time	Date	Statistics
1	llhuii	86	0.0629	2015/07/04 15:19:56	0B / ?B / ?B
2	teebee	89	0.0678	2015/07/04 08:37:31	0B / 53B / 33B
3	Stephan W.	94	0.0712	2015/07/03 17:25:17	0B / ?B / ?B

PHP _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	103	0.1259	2008/05/11 22:00:22	0B / 37B / 65B
2	daira	122	0.1654	2008/05/02 11:18:11	0B / 44B / 77B
3	lynn	211	0.0556	2018/07/15 01:42:51	0B / 172B / 20B
4	TAKO/j0nKI	230	0.0161	2010/03/16 01:23:58	19B / ?B / ?B

Scheme _

Rank	User	Size	Time	Date	Statistics
1	youz	66	0.0369	2011/04/16 12:39:45	0B / 33B / 30B
2	kaki	66	0.0355	2011/04/16 12:54:11	0B / 32B / 28B
3	murky-satyr	75	0.0350	2011/04/10 00:37:35	0B / 34B / 34B
4	xdigit	123	0.2833	2008/03/13 13:50:37	0B / 53B / 50B

Common LISP _

Rank	User	Size	Time	Date	Statistics
1	youz	70	0.0742	2011/04/16 18:49:40	0B / 32B / 32B
2	kozima	77	0.0523	2008/03/10 18:24:02	0B / 36B / 33B
3	xdigit	98	0.0228	2008/03/11 10:39:55	0B / 50B / 39B

Arc _

Rank	User	Size	Time	Date	Statistics
1	youz	42	2.4238	2011/04/18 12:57:42	0B / 17B / 20B
2	murky-satyr	45	2.5032	2011/04/17 02:33:49	0B / 20B / 20B
3	pooq	54	3.6600	2009/10/12 00:08:45	0B / 28B / 19B

Clojure _

Rank	User	Size	Time	Date	Statistics
1	youz	66	1.8496	2011/04/16 18:49:31	0B / 28B / 35B
2	murky-satyr	66	1.7907	2011/04/17 02:46:32	0B / 32B / 30B

LilyPond _

Rank	User	Size	Time	Date	Statistics
1	lynn	240	0.5250	2018/07/15 01:42:50	0B / 196B / 44B

Io _

Rank	User	Size	Time	Date	Statistics
1	51b	93	0.8837	2008/05/16 18:45:51	0B / 48B / 40B
2	murky-satyr	93	1.0154	2008/05/16 19:35:19	0B / 46B / 44B
3	lynn	237	0.0551	2018/07/15 01:42:43	0B / 196B / 41B

JavaScript _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	84	0.0503	2008/03/09 23:51:54	0B / 39B / 45B
2	lynn	239	0.0234	2018/07/15 01:42:43	0B / 196B / 43B

Lua _

Rank	User	Size	Time	Date	Statistics
1	clock	110	0.0001	2012/08/13 17:04:15	0B / 61B / 33B
2	murky-satyr	112	0.0197	2008/04/01 02:52:58	0B / 62B / 36B
3	lynn	237	0.0123	2018/07/15 01:42:44	0B / 196B / 41B

Tcl _

Rank	User	Size	Time	Date	Statistics
1	clock	147	0.0160	2012/08/27 08:52:08	0B / 78B / 34B
2	murky-satyr	191	0.0509	2008/07/10 12:28:17	0B / 97B / 59B
3	lynn	237	0.0190	2018/07/15 01:42:55	0B / 195B / 41B

Xtal _

Rank	User	Size	Time	Date	Statistics
1	lynn	235	0.0195	2018/07/15 01:42:43	0B / 192B / 43B

Crystal _

Rank	User	Size	Time	Date	Statistics
1	lynn	237	0.0001	2018/07/15 01:42:45	0B / 195B / 41B

Kite _

Rank	User	Size	Time	Date	Statistics
1	lynn	239	0.0155	2018/07/15 01:42:51	0B / 196B / 43B

Icon _

Rank	User	Size	Time	Date	Statistics
1	clock	131	0.0130	2012/05/05 20:50:40	0B / 72B / 53B

PARI/GP _

Rank	User	Size	Time	Date	Statistics
1	Hendrik	44	0.0125	2015/05/22 11:07:16	0B / 23B / 21B
2	teebee	44	0.0213	2015/05/23 00:03:28	0B / 23B / 21B
3	alephalpha	44	0.0188	2021/12/27 00:48:30	0B / 23B / 21B
4	clock	45	0.0592	2012/05/08 11:33:10	0B / 24B / 21B
5	lynn	239	0.0226	2018/07/15 01:42:55	0B / 196B / 43B

Cyan _

Rank	User	Size	Time	Date	Statistics
1	lynn	235	0.2982	2018/07/15 01:42:44	0B / 194B / 41B

Smalltalk _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	52	0.2021	2008/04/08 06:35:14	0B / 29B / 21B

Prolog _

Rank	User	Size	Time	Date	Statistics
1	lynn	243	0.0213	2018/07/15 01:42:43	0B / 197B / 46B

Forth _

Rank	User	Size	Time	Date	Statistics
1	51b	145	0.0892	2008/03/12 19:06:16	0B / 79B / 21B

BASIC _

Rank	User	Size	Time	Date	Statistics
1	yuko	92	0.0002	2010/08/26 18:36:33	18B / 38B / 33B
2	yt	105	0.0313	2008/03/10 10:38:47	0B / 61B / 33B
3	lynn	233	0.0153	2018/07/15 01:42:55	0B / 191B / 42B

Perl6 _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	37	2.6181	2010/08/08 13:49:07	0B / 16B / 20B
2	dcutter	217	1.3127	2010/07/06 01:14:07	0B / 175B / 22B
3	lynn	236	1.7767	2018/07/15 01:42:43	0B / 194B / 41B

Erlang _

Rank	User	Size	Time	Date	Statistics
1	51b	177	0.3929	2008/03/10 14:01:36	0B / 80B / 86B

J _

Rank	User	Size	Time	Date	Statistics
1	I., S.	32	0.0252	2015/11/29 18:05:23	0B / 10B / 22B
2	pooq	39	0.0206	2009/10/31 00:26:52	0B / 9B / 30B
3	medialuna	86	0.0237	2014/08/27 18:13:05	0B / ?B / ?B

K _

Rank	User	Size	Time	Date	Statistics
1	lynn	235	0.0125	2018/07/15 01:42:40	0B / 192B / 43B

C _

Rank	User	Size	Time	Date	Statistics
1	not	96	0.0001	2010/01/26 11:11:02	0B / 46B / 50B
2	llhuii	96	0.0001	2015/07/04 16:08:56	0B / ?B / ?B
3	hinoe	97	0.0339	2008/03/09 21:08:16	0B / 45B / 52B
4	7gyou	97	0.0314	2008/07/05 01:35:23	0B / 48B / 49B
5	murky-satyr	99	0.0337	2008/03/09 23:56:42	0B / 47B / 52B
6	51b	99	0.0160	2008/03/10 04:43:11	0B / 46B / 53B
7	inaniwa	99	0.0001	2010/01/26 21:06:24	0B / 45B / 54B
8	hallvabo	111	0.0002	2010/10/09 02:33:09	0B / 59B / 51B
9	corruptio	122	0.0002	2011/02/01 11:01:56	0B / 66B / 54B
10	funnything	169	0.0003	2008/07/04 06:03:50	12B / 65B / 62B
11	lynn	247	0.0001	2018/07/15 01:43:05	0B / 199B / 48B

D _

Rank	User	Size	Time	Date	Statistics
1	51b	114	0.0136	2008/03/09 20:29:44	0B / 59B / 52B
2	lynn	253	0.0001	2018/07/15 01:42:45	0B / 205B / 47B

Rust _

Rank	User	Size	Time	Date	Statistics
1	lynn	252	0.0135	2018/07/15 01:42:49	0B / 202B / 49B

OCaml _

Rank	User	Size	Time	Date	Statistics
1	ksk	121	0.2980	2008/04/15 02:12:48	0B / 75B / 37B
2	m.ukai	121	0.3595	2008/04/15 12:24:24	0B / 75B / 37B
3	lynn	244	0.0230	2018/07/15 01:42:44	0B / 202B / 42B

Haskell _

Rank	User	Size	Time	Date	Statistics
1	rst76	75	0.0001	2010/09/16 10:55:04	0B / 48B / 24B
2	notogawa	75	0.0002	2010/09/16 20:12:39	0B / 45B / 27B
3	xdigit	101	0.0053	2008/03/13 14:20:38	0B / 59B / 31B
4	lynn	243	0.0145	2018/07/15 01:43:05	0B / 201B / 42B

ObjC _

Rank	User	Size	Time	Date	Statistics
1	lynn	247	0.0112	2018/07/15 01:42:55	0B / 199B / 48B

Java _

Rank	User	Size	Time	Date	Statistics
1	hallvabo	127	0.1241	2010/10/09 02:27:35	0B / 72B / 53B

Pascal _

Rank	User	Size	Time	Date	Statistics
1	yuko	138	0.0001	2010/08/26 23:17:53	17B / 69B / 43B
2	uru	176	0.0174	2009/04/28 01:37:57	0B / 112B / 46B
3	lynn	249	0.0113	2018/07/15 01:42:43	0B / 204B / 44B

Fortran _

Rank	User	Size	Time	Date	Statistics
1	yuko	108	0.0131	2011/11/11 10:56:42	0B / 64B / 42B

C# _

Rank	User	Size	Time	Date	Statistics
1	lynn	284	0.0282	2018/07/15 01:43:05	0B / 229B / 52B

Nemerle _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	142	0.2897	2008/11/02 00:33:02	0B / 85B / 53B
2	lynn	250	0.0306	2018/07/15 01:42:56	0B / 205B / 45B

Curry _

Rank	User	Size	Time	Date	Statistics
1	lynn	243	0.0001	2018/07/15 01:42:40	0B / 201B / 42B

Maxima _

Rank	User	Size	Time	Date	Statistics
1	clock	63	0.1099	2012/10/31 18:50:06	0B / 32B / 30B
2	pooq	66	0.1167	2010/01/24 17:32:14	0B / 31B / 34B

REBOL _

Rank	User	Size	Time	Date	Statistics
1	clock	144	0.0353	2012/08/27 16:45:44	0B / 70B / 30B

AWK _

Rank	User	Size	Time	Date	Statistics
1	llhuii	81	0.0107	2014/03/18 20:56:01	0B / 38B / 42B
2	nn	98	0.0004	2010/03/04 00:58:59	0B / 48B / 47B

sed _

Rank	User	Size	Time	Date	Statistics
1	clock	224	0.0133	2011/12/05 00:43:25	0B / 180B / 31B
2	eban	231	0.0063	2008/03/08 18:18:09	0B / 173B / 39B

jq _

Rank	User	Size	Time	Date	Statistics
1	pooq	213	0.0105	2019/09/25 05:21:09	0B / ?B / ?B

Bash _

Rank	User	Size	Time	Date	Statistics
1	llhuii	76	0.0143	2015/07/04 21:08:53	0B / ?B / ?B

Bash (builtins) _

Rank	User	Size	Time	Date	Statistics
1	tails	83	0.0183	2019/10/23 19:22:58	0B / 32B / 47B

Zsh _

Rank	User	Size	Time	Date	Statistics
1	llhuii	76	0.0122	2015/07/04 21:09:37	0B / ?B / ?B
2	lynn	237	0.0166	2018/07/15 01:42:50	0B / 195B / 41B

Fish _

Rank	User	Size	Time	Date	Statistics
1	llhuii	77	0.0185	2015/07/04 21:09:27	0B / ?B / ?B

wake _

Rank	User	Size	Time	Date	Statistics
1	clock	222	0.0172	2011/12/05 10:02:28	0B / 173B / 29B
2	eban	233	0.0037	2010/07/28 17:09:37	0B / 191B / 42B

bc _

Rank	User	Size	Time	Date	Statistics
1	McBusLuck	124	0.0164	2020/05/26 01:33:30	0B / 74B / 45B

xgawk _

Rank	User	Size	Time	Date	Statistics
1	llhuii	78	0.0107	2014/03/15 03:01:04	0B / 37B / 41B

m4 _

Rank	User	Size	Time	Date	Statistics
1	lynn	211	0.0117	2018/07/15 01:42:55	0B / 172B / 20B
2	TAKO/j0nKI	230	0.0001	2010/04/08 23:39:12	19B / 172B / 20B

Postscript _

Rank	User	Size	Time	Date	Statistics
1	yshl(bin)	91	0.1716	2008/03/09 21:02:10	45B / 34B / 12B
2	yshl	178	0.1903	2008/03/09 21:01:35	0B / 130B / 13B

R _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	102	1.6448	2008/03/30 23:12:05	0B / 47B / 46B
2	51b	105	1.4998	2008/03/31 02:06:36	0B / 50B / 52B

Brainfuck _

Rank	User	Size	Time	Date	Statistics
1	mitchs (cheat)	191	0.0354	2016/07/13 14:14:39	28B / 45B / 112B
2	g33k	245	0.0001	2013/01/30 11:05:31	20B / ?B / ?B
3	REM	1189	0.0945	2008/03/19 18:08:21	0B / ?B / ?B

GolfScript _

Rank	User	Size	Time	Date	Statistics
1	leonid	19	0.0364	2010/01/29 15:19:45	0B / 5B / 14B
2	irori	20	0.0476	2011/04/15 23:55:00	0B / 5B / 15B
3	flagitious	41	0.2019	2008/03/10 01:59:48	0B / 19B / 22B
4	lynn	232	0.0211	2018/07/15 01:42:46	0B / 191B / 41B

gs2 _

Rank	User	Size	Time	Date	Statistics
1	whio	30	0.0969	2017/02/08 06:03:35	12B / 8B / 8B

Burlesque _

Rank	User	Size	Time	Date	Statistics
1	Hendrik	59	0.0169	2016/12/01 06:42:45	0B / 32B / 26B
2	lynn	234	0.0186	2018/07/15 01:42:55	0B / 192B / 42B

CLC-INTERCAL _

Rank	User	Size	Time	Date	Statistics
1	鳴神裁4.1号	3537	0.2082	2021/09/11 20:33:19	0B / 2477B / 1060B

Malbolge _

Rank	User	Size	Time	Date	Statistics
1	Dingledooper	1420	0.0167	2019/08/20 09:37:49	0B / ?B / ?B

Universal Lambda _

Rank	User	Size	Time	Date	Statistics
1	lynn	212	0.0232	2018/07/15 01:42:43	0B / 172B / 20B

D-compile-time _

Rank	User	Size	Time	Date	Statistics
1	51b	275	0.5496	2008/03/30 22:15:56	0B / 167B / 92B

z80 _

Rank	User	Size	Time	Date	Statistics
1	lynn	223	0.0119	2018/07/15 01:42:43	7B / 173B / 24B

DOS _

Rank	User	Size	Time	Date	Statistics
1	chocobi	241	2.4099	2008/11/18 01:10:47	26B / ?B / ?B

Vim _

Rank	User	Size	Time	Date	Statistics
1	clock	115	0.0953	2012/05/05 21:17:23	6B / 62B / 30B
2	nn	195	0.0372	2010/10/10 14:00:12	0B / 116B / 63B
3	lynn	215	0.0216	2018/07/15 01:42:44	1B / 175B / 20B

goruby _

Rank	User	Size	Time	Date	Statistics
1	mitchs	26	0.0279	2016/01/19 02:26:37	0B / 11B / 14B
2	murky-satyr	28	0.0298	2010/01/04 16:09:21	0B / 12B / 15B
3	leonid	28	0.0446	2012/02/08 15:27:56	0B / 12B / 14B
4	lynn	235	0.0282	2018/07/15 01:42:50	0B / 194B / 41B

Groovy _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	85	1.1767	2009/12/26 23:39:35	0B / 44B / 36B
2	nn	87	1.1750	2009/12/27 17:02:39	0B / 48B / 33B

Scala _

Rank	User	Size	Time	Date	Statistics
1	clock	92	2.1263	2019/10/23 23:01:58	0B / 50B / 35B
2	murky-satyr	96	7.4789	2011/04/10 00:51:10	0B / 52B / 33B

Language Ranking_

Rank	Lang	User	Size	Score
1	GolfScript	leonid	19	10000
2	goruby	mitchs	26	7307
3	gs2	whio	30	6333
4	J	I., S.	32	5937
5	Ruby2	mitchs	36	5277
6	Perl6	murky-satyr	37	5135
7	Arc	youz	42	4523
8	PARI/GP	Hendrik	44	4318
9	Perl	tails	49	3877
10	Smalltalk	murky-satyr	52	3653
11	Ruby	flagitious	54	3518
12	Burlesque	Hendrik	59	3220
13	Maxima	clock	63	3015
14	Scheme	youz	66	2878
15	Clojure	youz	66	2878
16	Common LISP	youz	70	2714
17	Haskell	rst76	75	2533
18	Bash	llhuii	76	2500
19	Zsh	llhuii	76	2500
20	Fish	llhuii	77	2467
21	xgawk	llhuii	78	2435
22	AWK	llhuii	81	2345
23	Bash (builtins)	tails	83	2289
24	JavaScript	murky-satyr	84	2261
25	Python	llhuii	84	2261
26	Groovy	murky-satyr	85	2235
27	Python3	llhuii	86	2209
28	Postscript	yshl(bin)	91	2087
29	BASIC	yuko	92	2065
30	Scala	clock	92	2065
31	Io	51b	93	2043
32	C	not	96	1979
33	R	murky-satyr	102	1862
34	PHP	murky-satyr	103	1844
35	Fortran	yuko	108	1759
36	Lua	clock	110	1727
37	D	51b	114	1666
38	Vim	clock	115	1652
39	OCaml	ksk	121	1570
40	bc	McBusLuck	124	1532
41	Java	hallvabo	127	1496
42	Icon	clock	131	1450
43	Pascal	yuko	138	1376
44	Nemerle	murky-satyr	142	1338
45	REBOL	clock	144	1319
46	Forth	51b	145	1310
47	Tcl	clock	147	1292
48	Erlang	51b	177	1073
49	Brainfuck	mitchs (cheat)	191	994
50	m4	lynn	211	900
51	Universal Lambda	lynn	212	896
52	jq	pooq	213	892
53	wake	clock	222	855
54	z80	lynn	223	852
55	sed	clock	224	848
56	K	lynn	235	808
57	Xtal	lynn	235	808
58	Cyan	lynn	235	808
59	Crystal	lynn	237	801
60	Kite	lynn	239	794
61	LilyPond	lynn	240	791
62	DOS	chocobi	241	788
63	Curry	lynn	243	781
64	Prolog	lynn	243	781
65	ObjC	lynn	247	769
66	Rust	lynn	252	753
67	D-compile-time	51b	275	690
68	C#	lynn	284	669
69	Malbolge	Dingledooper	1420	133
70	CLC-INTERCAL	鳴神裁4.1号	3537	53

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