checkers pattern

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Problem

Display the checkers pattern.

Options

exec is denied

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

Sample input:_

3 19

Sample output:

1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1

Sample input:_

8 8

Sample output:

1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1

Sample input:_

21 30

Sample output:

1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0

Ranking

Ruby _

Rank	User	Size	Time	Date	Statistics
1	niha	53	0.2535	2008/02/27 03:01:12	1B / 19B / 31B
2	leonid	56	0.2034	2008/02/26 22:05:22	0B / 26B / 28B
3	shinh	59	0.0841	2008/02/27 01:27:12	0B / 30B / 25B
4	GooGoo+.	61	0.1642	2008/02/26 20:17:07	0B / 31B / 29B
5	flagitious	62	0.1265	2008/02/27 00:58:08	0B / 26B / 32B
6	eban	73	0.1612	2008/02/27 01:26:25	0B / 28B / 40B
7	tabasa	117	0.1178	2008/02/25 08:30:56	11B / 53B / 39B
8	kaki	71	0.0729	2008/07/17 17:00:03	0B / 41B / 27B
9	rochefort	96	0.1161	2008/03/16 02:58:44	3B / 48B / 40B

Perl _

Rank	User	Size	Time	Date	Statistics
1	Terje K	44	0.0553	2008/02/26 23:18:14	0B / 13B / 29B
2	Mithran	55	0.1227	2008/02/25 22:41:37	0B / 14B / 40B
3	skyvan	69	0.0840	2008/02/25 20:41:28	0B / ?B / ?B
4	ivanw	73	0.0314	2008/02/25 08:49:35	0B / ?B / ?B
5	%20(Terje K)	43	0.0381	2015/11/04 12:44:53	0B / 13B / 29B
6	BioFALSE	85	0.0450	2013/01/30 05:26:47	0B / 31B / 52B
7	jonathan camacho	205	0.0328	2014/07/23 11:30:17	0B / 56B / 72B

Python _

Rank	User	Size	Time	Date	Statistics
1	kt3k	75	0.0812	2008/02/25 04:27:27	0B / 38B / 33B
2	elb	76	0.1312	2008/02/26 22:20:09	0B / 42B / 31B
3	SeeNoEvil	77	0.2340	2008/02/29 17:38:43	0B / 43B / 30B
4	hirose	88	0.0982	2008/02/28 20:37:14	0B / 55B / 25B
5	rem	479	0.1121	2008/02/26 12:27:13	11B / ?B / ?B
6	kt3k	74	0.2132	2008/03/03 08:38:03	0B / 37B / 34B
7	Vim Lover	95	0.0931	2016/11/21 10:04:16	0B / ?B / ?B
8	potato	109	0.0853	2016/11/21 10:15:54	2B / ?B / ?B

PHP _

Rank	User	Size	Time	Date	Statistics
1	daira	102	0.4093	2008/02/27 12:05:26	0B / 41B / 58B
2	o-cn	86	0.0250	2010/01/02 00:09:46	0B / ?B / ?B
3	pooq	95	0.6749	2008/10/11 00:13:52	0B / 41B / 51B

Scheme _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	116	0.1153	2008/06/24 00:21:29	0B / 64B / 48B
2	kaki	141	0.2573	2008/05/16 10:28:48	0B / 82B / 51B
3	mushi	197	0.0925	2008/03/10 16:42:19	0B / ?B / ?B

Common LISP _

Rank	User	Size	Time	Date	Statistics
1	kozima	86	0.2232	2008/02/26 14:17:27	0B / 40B / 38B

Arc _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	76	11.0964	2009/10/11 13:43:37	0B / 35B / 31B
2	pooq	76	12.6274	2009/10/12 10:46:05	0B / 35B / 27B

Io _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	110	2.6115	2008/02/28 23:33:27	0B / 75B / 28B
2	pooq	113	2.8169	2008/02/27 12:09:27	0B / 80B / 28B
3	murky-satyr	109	2.7311	2008/06/25 21:33:18	0B / 73B / 30B

JavaScript _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	89	0.0781	2008/02/27 03:18:01	0B / 45B / 43B
2	murky-satyr	81	0.1933	2008/07/09 05:00:35	0B / 33B / 47B
3	nn	82	0.1176	2008/06/08 23:11:43	0B / 41B / 39B

Lua _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	86	0.0503	2008/06/04 06:13:56	0B / 48B / 31B

Tcl _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	125	0.0869	2008/07/09 05:31:06	0B / 71B / 30B

Xtal _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	93	0.2228	2008/02/27 11:54:21	0B / 52B / 39B

Smalltalk _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	129	0.4505	2008/02/27 04:08:35	0B / 71B / 46B
2	murky-satyr	123	0.4772	2008/07/09 06:53:08	0B / 61B / 56B

Forth _

Rank	User	Size	Time	Date	Statistics
1	51b	93	0.0606	2010/04/03 23:51:26	0B / 59B / 9B

BASIC _

Rank	User	Size	Time	Date	Statistics
1	yt	57	0.0925	2008/02/25 12:15:13	0B / 38B / 13B
2	pooq	69	0.0909	2008/02/25 20:09:30	0B / 41B / 18B

Erlang _

Rank	User	Size	Time	Date	Statistics
1	51b	153	1.0221	2008/02/25 22:51:22	0B / 79B / 70B
2	51b	151	1.3209	2008/06/26 21:13:08	0B / 74B / 73B

J _

Rank	User	Size	Time	Date	Statistics
1	pooq	24	0.3645	2008/02/27 18:33:16	0B / 9B / 14B
2	I., S.	22	0.1206	2012/03/11 07:07:07	0B / 9B / 13B
3	pooq	23	0.1261	2008/03/05 07:04:12	0B / 7B / 15B
4	medialuna	54	0.0692	2014/08/27 14:12:25	0B / ?B / ?B

K _

Rank	User	Size	Time	Date	Statistics
1	twobit	28	0.0269	2013/04/24 00:50:19	0B / 5B / 23B

C _

Rank	User	Size	Time	Date	Statistics
1	51b	84	0.0637	2008/02/25 15:29:11	0B / 42B / 42B
2	hinoe	84	0.0302	2008/02/27 19:35:10	0B / 42B / 42B
3	rem	149	0.0255	2008/02/26 12:19:46	1B / ?B / ?B
4	inaniwa	88	0.0011	2009/12/14 12:49:27	0B / 40B / 47B
5	takotako	143	0.0439	2008/03/12 18:21:56	0B / 71B / 70B

D _

Rank	User	Size	Time	Date	Statistics
1	51b	105	0.0487	2008/02/25 22:22:10	0B / 57B / 43B
2	51b	104	0.0482	2008/03/16 18:00:52	0B / 58B / 42B

OCaml _

Rank	User	Size	Time	Date	Statistics
1	m.ukai	110	0.1689	2008/04/10 18:14:57	0B / 68B / 28B

Haskell _

Rank	User	Size	Time	Date	Statistics
1	notogawa	92	0.0534	2008/02/26 22:33:56	0B / 49B / 35B
2	konn	106	0.0203	2008/02/28 21:21:01	0B / ?B / ?B

Ada _

Rank	User	Size	Time	Date	Statistics
1	D	155	0.0266	2008/02/25 19:32:22	0B / 102B / 36B
2	yt	159	0.1252	2008/02/25 12:24:26	0B / 105B / 39B

Java _

Rank	User	Size	Time	Date	Statistics
1	Undermined	605	1.0013	2008/03/01 05:52:53	1B / 399B / 125B
2	teebee	151	0.4538	2010/11/26 09:05:50	0B / 75B / 73B

Pascal _

Rank	User	Size	Time	Date	Statistics
1	yt	111	0.1118	2008/02/25 12:19:34	0B / 72B / 28B
2	uru	102	0.1341	2009/08/27 20:19:41	0B / 63B / 28B

Fortran _

Rank	User	Size	Time	Date	Statistics
1	pooq	97	0.0429	2008/02/28 12:43:34	0B / 57B / 29B
2	yuko	63	0.0468	2011/11/21 06:16:51	0B / 36B / 25B

Nemerle _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	120	1.2593	2008/11/10 10:46:10	0B / 64B / 50B

Maxima _

Rank	User	Size	Time	Date	Statistics
1	pooq	85	0.4220	2010/01/15 01:40:24	0B / 51B / 33B

Octave _

Rank	User	Size	Time	Date	Statistics
1	pooq	65	0.7126	2011/10/28 23:06:36	0B / 31B / 30B

Asymptote _

Rank	User	Size	Time	Date	Statistics
1	chocobi	108	3.5625	2009/04/11 00:09:08	0B / 61B / 44B

AWK _

Rank	User	Size	Time	Date	Statistics
1	llhuii(yamaya)	53	0.0331	2014/07/23 22:51:32	0B / 25B / 28B
2	yamaya	54	0.0052	2009/12/16 02:56:54	0B / 26B / 28B
3	nn	57	0.0807	2008/10/05 01:44:40	0B / 25B / 29B

sed _

Rank	User	Size	Time	Date	Statistics
1	tails	124	0.0481	2012/04/11 16:01:12	0B / 47B / 53B
2	emoken	241	0.0941	2008/03/06 08:45:58	0B / 94B / 117B

jq _

Rank	User	Size	Time	Date	Statistics
1	teebee(eban)	65	0.0335	2014/12/19 22:53:19	0B / 33B / 31B
2	eban	66	0.0388	2014/12/19 22:16:29	0B / 33B / 32B

Bash _

Rank	User	Size	Time	Date	Statistics
1	eban	86	0.3140	2008/03/02 21:59:33	24B / 38B / 17B
2	tails (yamaya)	45	0.0282	2016/11/21 14:02:54	0B / 21B / 19B
3	yamaya	49	0.0672	2010/10/31 14:38:13	0B / 22B / 22B

Bash (builtins) _

Rank	User	Size	Time	Date	Statistics
1	tails	53	0.0360	2016/11/21 14:35:53	0B / 23B / 25B

bc _

Rank	User	Size	Time	Date	Statistics
1	teebee(Carlos Gutierrez)	68	0.0061	2011/07/05 05:17:39	0B / 28B / 38B
2	Carlos Gutierrez	84	0.0032	2010/03/16 15:44:30	0B / 41B / 39B

dc _

Rank	User	Size	Time	Date	Statistics
1	tails	52	0.0566	2012/03/11 21:31:47	0B / 39B / 13B

Postscript _

Rank	User	Size	Time	Date	Statistics
1	yshl(bin)	51	0.5592	2008/02/25 04:50:54	22B / 20B / 8B
2	yshl	91	0.5598	2008/02/25 04:50:44	0B / 67B / 12B

R _

Rank	User	Size	Time	Date	Statistics
1	pooq	60	3.8993	2008/04/13 20:13:46	0B / 30B / 29B
2	51b	60	4.6171	2008/06/08 18:02:51	0B / 32B / 25B

Brainfuck _

Rank	User	Size	Time	Date	Statistics
1	nuko	406	0.0618	2008/02/25 05:34:57	0B / 0B / 406B

Befunge _

Rank	User	Size	Time	Date	Statistics
1	yzx	43	0.1184	2008/02/26 12:20:38	0B / 10B / 31B

GolfScript _

Rank	User	Size	Time	Date	Statistics
1	irori	20	0.3720	2008/02/25 01:48:25	0B / 2B / 17B
2	kt3k	23	0.3022	2008/02/25 04:46:03	0B / 6B / 16B
3	flagitious	23	0.8968	2008/02/27 01:53:12	0B / 2B / 20B
4	whio	20	0.0642	2015/11/04 04:26:45	0B / 3B / 16B

gs2 _

Rank	User	Size	Time	Date	Statistics
1	whio	14	0.2501	2017/03/15 00:46:25	6B / 3B / 5B

FlogScript _

Rank	User	Size	Time	Date	Statistics
1	milieu	21	0.5589	2010/08/20 03:12:10	0B / ?B / ?B

Burlesque _

Rank	User	Size	Time	Date	Statistics
1	Hendrik	16	0.0591	2014/05/05 16:13:07	0B / 12B / 4B

Unlambda _

Rank	User	Size	Time	Date	Statistics
1	irori	385	0.1068	2008/02/29 11:09:01	0B / 186B / 197B
2	irori	331	0.1321	2008/03/15 17:04:44	0B / 159B / 170B

Vim _

Rank	User	Size	Time	Date	Statistics
1	udioica	38	0.0501	2016/11/30 19:24:48	2B / ?B / ?B
2	nn	40	0.0882	2009/12/13 00:13:12	2B / 30B / 6B
3	eban	42	0.3833	2008/03/10 16:29:18	2B / 33B / 5B

goruby _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	39	0.0951	2010/01/04 15:41:59	0B / 10B / 27B
2	leonid	40	0.5753	2008/12/15 21:12:27	0B / 10B / 29B

Groovy _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	89	9.9154	2008/02/27 04:28:35	0B / 49B / 36B
2	hoozie	112	10.3048	2008/02/29 04:30:03	0B / 74B / 34B
3	nn	83	9.6412	2009/05/03 21:50:00	0B / 47B / 34B

Language Ranking_

Rank	Lang	User	Size	Score
1	gs2	whio	14	10000
2	Burlesque	Hendrik	16	8750
3	GolfScript	irori	20	7000
4	FlogScript	milieu	21	6666
5	J	I., S.	22	6363
6	K	twobit	28	5000
7	Vim	udioica	38	3684
8	goruby	murky-satyr	39	3589
9	Befunge	yzx	43	3255
10	Perl	%20(Terje K)	43	3255
11	Bash	tails (yamaya)	45	3111
12	Postscript	yshl(bin)	51	2745
13	dc	tails	52	2692
14	Ruby	niha	53	2641
15	AWK	llhuii(yamaya)	53	2641
16	Bash (builtins)	tails	53	2641
17	BASIC	yt	57	2456
18	R	pooq	60	2333
19	Fortran	yuko	63	2222
20	Octave	pooq	65	2153
21	jq	teebee(eban)	65	2153
22	bc	teebee(Carlos Gutierrez)	68	2058
23	Python	kt3k	74	1891
24	Arc	murky-satyr	76	1842
25	JavaScript	murky-satyr	81	1728
26	Groovy	nn	83	1686
27	C	51b	84	1666
28	Maxima	pooq	85	1647
29	Common LISP	kozima	86	1627
30	Lua	murky-satyr	86	1627
31	PHP	o-cn	86	1627
32	Haskell	notogawa	92	1521
33	Xtal	murky-satyr	93	1505
34	Forth	51b	93	1505
35	Pascal	uru	102	1372
36	D	51b	104	1346
37	Asymptote	chocobi	108	1296
38	Io	murky-satyr	109	1284
39	OCaml	m.ukai	110	1272
40	Scheme	murky-satyr	116	1206
41	Nemerle	murky-satyr	120	1166
42	Smalltalk	murky-satyr	123	1138
43	sed	tails	124	1129
44	Tcl	murky-satyr	125	1120
45	Erlang	51b	151	927
46	Java	teebee	151	927
47	Ada	D	155	903
48	Unlambda	irori	331	422
49	Brainfuck	nuko	406	344

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