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 _

RankUserSizeTimeDateStatistics
1niha530.25352008/02/27 03:01:121B / 19B / 31B
2leonid560.20342008/02/26 22:05:220B / 26B / 28B
3shinh590.08412008/02/27 01:27:120B / 30B / 25B
4GooGoo+.610.16422008/02/26 20:17:070B / 31B / 29B
5flagitious620.12652008/02/27 00:58:080B / 26B / 32B
6eban730.16122008/02/27 01:26:250B / 28B / 40B
7tabasa1170.11782008/02/25 08:30:5611B / 53B / 39B
8kaki710.07292008/07/17 17:00:030B / 41B / 27B
9rochefort960.11612008/03/16 02:58:443B / 48B / 40B

Perl _

RankUserSizeTimeDateStatistics
1Terje K440.05532008/02/26 23:18:140B / 13B / 29B
2Mithran550.12272008/02/25 22:41:370B / 14B / 40B
3skyvan690.08402008/02/25 20:41:280B / ?B / ?B
4ivanw730.03142008/02/25 08:49:350B / ?B / ?B
5%20(Terje K)430.03812015/11/04 12:44:530B / 13B / 29B
6BioFALSE850.04502013/01/30 05:26:470B / 31B / 52B
7jonathan camacho2050.03282014/07/23 11:30:170B / 56B / 72B

Python _

RankUserSizeTimeDateStatistics
1kt3k750.08122008/02/25 04:27:270B / 38B / 33B
2elb760.13122008/02/26 22:20:090B / 42B / 31B
3SeeNoEvil770.23402008/02/29 17:38:430B / 43B / 30B
4hirose880.09822008/02/28 20:37:140B / 55B / 25B
5rem4790.11212008/02/26 12:27:1311B / ?B / ?B
6kt3k740.21322008/03/03 08:38:030B / 37B / 34B
7Vim Lover950.09312016/11/21 10:04:160B / ?B / ?B
8potato1090.08532016/11/21 10:15:542B / ?B / ?B

PHP _

RankUserSizeTimeDateStatistics
1daira1020.40932008/02/27 12:05:260B / 41B / 58B
2o-cn860.02502010/01/02 00:09:460B / ?B / ?B
3pooq950.67492008/10/11 00:13:520B / 41B / 51B

Scheme _

RankUserSizeTimeDateStatistics
1murky-satyr1160.11532008/06/24 00:21:290B / 64B / 48B
2kaki1410.25732008/05/16 10:28:480B / 82B / 51B
3mushi1970.09252008/03/10 16:42:190B / ?B / ?B

Common LISP _

RankUserSizeTimeDateStatistics
1kozima860.22322008/02/26 14:17:270B / 40B / 38B

Arc _

RankUserSizeTimeDateStatistics
1murky-satyr7611.09642009/10/11 13:43:370B / 35B / 31B
2pooq7612.62742009/10/12 10:46:050B / 35B / 27B

Io _

RankUserSizeTimeDateStatistics
1murky-satyr1102.61152008/02/28 23:33:270B / 75B / 28B
2pooq1132.81692008/02/27 12:09:270B / 80B / 28B
3murky-satyr1092.73112008/06/25 21:33:180B / 73B / 30B

JavaScript _

RankUserSizeTimeDateStatistics
1murky-satyr890.07812008/02/27 03:18:010B / 45B / 43B
2murky-satyr810.19332008/07/09 05:00:350B / 33B / 47B
3nn820.11762008/06/08 23:11:430B / 41B / 39B

Lua _

RankUserSizeTimeDateStatistics
1murky-satyr860.05032008/06/04 06:13:560B / 48B / 31B

Tcl _

RankUserSizeTimeDateStatistics
1murky-satyr1250.08692008/07/09 05:31:060B / 71B / 30B

Xtal _

RankUserSizeTimeDateStatistics
1murky-satyr930.22282008/02/27 11:54:210B / 52B / 39B

Smalltalk _

RankUserSizeTimeDateStatistics
1murky-satyr1290.45052008/02/27 04:08:350B / 71B / 46B
2murky-satyr1230.47722008/07/09 06:53:080B / 61B / 56B

Forth _

RankUserSizeTimeDateStatistics
151b930.06062010/04/03 23:51:260B / 59B / 9B

BASIC _

RankUserSizeTimeDateStatistics
1yt570.09252008/02/25 12:15:130B / 38B / 13B
2pooq690.09092008/02/25 20:09:300B / 41B / 18B

Erlang _

RankUserSizeTimeDateStatistics
151b1531.02212008/02/25 22:51:220B / 79B / 70B
251b1511.32092008/06/26 21:13:080B / 74B / 73B

J _

RankUserSizeTimeDateStatistics
1pooq240.36452008/02/27 18:33:160B / 9B / 14B
2I., S.220.12062012/03/11 07:07:070B / 9B / 13B
3pooq230.12612008/03/05 07:04:120B / 7B / 15B
4medialuna540.06922014/08/27 14:12:250B / ?B / ?B

K _

RankUserSizeTimeDateStatistics
1twobit280.02692013/04/24 00:50:190B / 5B / 23B

iogii _

RankUserSizeTimeDateStatistics
1darrenks(#c0ffee)90.06042025/07/12 00:59:010B / 8B / 1B
2darrenks90.04862025/07/12 01:17:010B / 7B / 2B
3darrenks290.05142025/07/12 01:17:260B / 5B / 4B
4#c0ffee100.05072025/07/11 19:51:200B / 8B / 2B

C _

RankUserSizeTimeDateStatistics
151b840.06372008/02/25 15:29:110B / 42B / 42B
2hinoe840.03022008/02/27 19:35:100B / 42B / 42B
3rem1490.02552008/02/26 12:19:461B / ?B / ?B
4inaniwa880.00112009/12/14 12:49:270B / 40B / 47B
5takotako1430.04392008/03/12 18:21:560B / 71B / 70B

D _

RankUserSizeTimeDateStatistics
151b1050.04872008/02/25 22:22:100B / 57B / 43B
251b1040.04822008/03/16 18:00:520B / 58B / 42B

OCaml _

RankUserSizeTimeDateStatistics
1m.ukai1100.16892008/04/10 18:14:570B / 68B / 28B

Haskell _

RankUserSizeTimeDateStatistics
1notogawa920.05342008/02/26 22:33:560B / 49B / 35B
2konn1060.02032008/02/28 21:21:010B / ?B / ?B

Ada _

RankUserSizeTimeDateStatistics
1D1550.02662008/02/25 19:32:220B / 102B / 36B
2yt1590.12522008/02/25 12:24:260B / 105B / 39B

Java _

RankUserSizeTimeDateStatistics
1Undermined6051.00132008/03/01 05:52:531B / 399B / 125B
2teebee1510.45382010/11/26 09:05:500B / 75B / 73B

Pascal _

RankUserSizeTimeDateStatistics
1yt1110.11182008/02/25 12:19:340B / 72B / 28B
2uru1020.13412009/08/27 20:19:410B / 63B / 28B

Fortran _

RankUserSizeTimeDateStatistics
1pooq970.04292008/02/28 12:43:340B / 57B / 29B
2*yuko*630.04682011/11/21 06:16:510B / 36B / 25B

Nemerle _

RankUserSizeTimeDateStatistics
1murky-satyr1201.25932008/11/10 10:46:100B / 64B / 50B

Maxima _

RankUserSizeTimeDateStatistics
1pooq850.42202010/01/15 01:40:240B / 51B / 33B

Octave _

RankUserSizeTimeDateStatistics
1pooq650.71262011/10/28 23:06:360B / 31B / 30B

Asymptote _

RankUserSizeTimeDateStatistics
1chocobi1083.56252009/04/11 00:09:080B / 61B / 44B

AWK _

RankUserSizeTimeDateStatistics
1Fleur480.04572025/07/12 01:15:510B / 22B / 26B
2Fleur (llhuii(yamaya))520.04632021/12/23 10:20:130B / 24B / 28B
3llhuii(yamaya)530.03312014/07/23 22:51:320B / 25B / 28B
4yamaya540.00522009/12/16 02:56:540B / 26B / 28B
5nn570.08072008/10/05 01:44:400B / 25B / 29B

sed _

RankUserSizeTimeDateStatistics
1tails1240.04812012/04/11 16:01:120B / 47B / 53B
2emoken2410.09412008/03/06 08:45:580B / 94B / 117B

jq _

RankUserSizeTimeDateStatistics
1teebee(eban)650.03352014/12/19 22:53:190B / 33B / 31B
2eban660.03882014/12/19 22:16:290B / 33B / 32B

Bash _

RankUserSizeTimeDateStatistics
1eban860.31402008/03/02 21:59:3324B / 38B / 17B
2tails (yamaya)450.02822016/11/21 14:02:540B / 21B / 19B
3yamaya490.06722010/10/31 14:38:130B / 22B / 22B

Bash (builtins) _

RankUserSizeTimeDateStatistics
1tails530.03602016/11/21 14:35:530B / 23B / 25B

bc _

RankUserSizeTimeDateStatistics
1teebee(Carlos Gutierrez)680.00612011/07/05 05:17:390B / 28B / 38B
2Carlos Gutierrez840.00322010/03/16 15:44:300B / 41B / 39B

dc _

RankUserSizeTimeDateStatistics
1tails520.05662012/03/11 21:31:470B / 39B / 13B

Postscript _

RankUserSizeTimeDateStatistics
1yshl(bin)510.55922008/02/25 04:50:5422B / 20B / 8B
2yshl910.55982008/02/25 04:50:440B / 67B / 12B

R _

RankUserSizeTimeDateStatistics
1pooq603.89932008/04/13 20:13:460B / 30B / 29B
251b604.61712008/06/08 18:02:510B / 32B / 25B

Brainfuck _

RankUserSizeTimeDateStatistics
1nuko4060.06182008/02/25 05:34:570B / 0B / 406B

Befunge _

RankUserSizeTimeDateStatistics
1yzx430.11842008/02/26 12:20:380B / 10B / 31B

GolfScript _

RankUserSizeTimeDateStatistics
1irori200.37202008/02/25 01:48:250B / 2B / 17B
2kt3k230.30222008/02/25 04:46:030B / 6B / 16B
3flagitious230.89682008/02/27 01:53:120B / 2B / 20B
4whio200.06422015/11/04 04:26:450B / 3B / 16B

gs2 _

RankUserSizeTimeDateStatistics
1whio140.25012017/03/15 00:46:256B / 3B / 5B

Nibbles _

RankUserSizeTimeDateStatistics
1tails60.04882022/01/13 18:58:014B / 1B / 1B

FlogScript _

RankUserSizeTimeDateStatistics
1milieu210.55892010/08/20 03:12:100B / ?B / ?B

Burlesque _

RankUserSizeTimeDateStatistics
1Hendrik160.05912014/05/05 16:13:070B / 12B / 4B

Unlambda _

RankUserSizeTimeDateStatistics
1irori3850.10682008/02/29 11:09:010B / 186B / 197B
2irori3310.13212008/03/15 17:04:440B / 159B / 170B

Vim _

RankUserSizeTimeDateStatistics
1udioica380.05012016/11/30 19:24:482B / ?B / ?B
2nn400.08822009/12/13 00:13:122B / 30B / 6B
3eban420.38332008/03/10 16:29:182B / 33B / 5B

goruby _

RankUserSizeTimeDateStatistics
1murky-satyr390.09512010/01/04 15:41:590B / 10B / 27B
2leonid400.57532008/12/15 21:12:270B / 10B / 29B

Groovy _

RankUserSizeTimeDateStatistics
1murky-satyr899.91542008/02/27 04:28:350B / 49B / 36B
2hoozie11210.30482008/02/29 04:30:030B / 74B / 34B
3nn839.64122009/05/03 21:50:000B / 47B / 34B

Language Ranking_

RankLangUserSizeScore
1Nibblestails610000
2iogiidarrenks(#c0ffee)96666
3gs2whio144285
4BurlesqueHendrik163750
5GolfScriptirori203000
6FlogScriptmilieu212857
7JI., S.222727
8Ktwobit282142
9Vimudioica381578
10gorubymurky-satyr391538
11Befungeyzx431395
12Perl%20(Terje K)431395
13Bashtails (yamaya)451333
14AWKFleur481250
15Postscriptyshl(bin)511176
16dctails521153
17Rubyniha531132
18Bash (builtins)tails531132
19BASICyt571052
20Rpooq601000
21Fortran*yuko*63952
22Octavepooq65923
23jqteebee(eban)65923
24bcteebee(Carlos Gutierrez)68882
25Pythonkt3k74810
26Arcmurky-satyr76789
27JavaScriptmurky-satyr81740
28Groovynn83722
29C51b84714
30Maximapooq85705
31Common LISPkozima86697
32Luamurky-satyr86697
33PHPo-cn86697
34Haskellnotogawa92652
35Xtalmurky-satyr93645
36Forth51b93645
37Pascaluru102588
38D51b104576
39Asymptotechocobi108555
40Iomurky-satyr109550
41OCamlm.ukai110545
42Schememurky-satyr116517
43Nemerlemurky-satyr120500
44Smalltalkmurky-satyr123487
45sedtails124483
46Tclmurky-satyr125480
47Erlang51b151397
48Javateebee151397
49AdaD155387
50Unlambdairori331181
51Brainfucknuko406147

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