Runge Kutta

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Problem

Find the solution of the differential equation

y' = y

using the classic Runge Kutta 4th order method

y(0) = 1.0
stepsize = 0.1

http://en.wikipedia.org/wiki/Runge-Kutta

Options

exec is denied

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

Sample input:_

*NOTHING*

Sample output:

x = 0.0, y = 1.000000
x = 0.1, y = 1.105171
x = 0.2, y = 1.221403
x = 0.3, y = 1.349858
x = 0.4, y = 1.491824
x = 0.5, y = 1.648721
x = 0.6, y = 1.822118
x = 0.7, y = 2.013752
x = 0.8, y = 2.225540
x = 0.9, y = 2.459601
x = 1.0, y = 2.718280
x = 1.1, y = 3.004163
x = 1.2, y = 3.320114
x = 1.3, y = 3.669293
x = 1.4, y = 4.055196
x = 1.5, y = 4.481684
x = 1.6, y = 4.953026
x = 1.7, y = 5.473940
x = 1.8, y = 6.049639
x = 1.9, y = 6.685885
x = 2.0, y = 7.389045
x = 2.1, y = 8.166157
x = 2.2, y = 9.024998
x = 2.3, y = 9.974165
x = 2.4, y = 11.023156
x = 2.5, y = 12.182471
x = 2.6, y = 13.463711
x = 2.7, y = 14.879701
x = 2.8, y = 16.444611
x = 2.9, y = 18.174105
x = 3.0, y = 20.085491

Ranking

Ruby _

Rank	User	Size	Time	Date	Statistics
1	ksk	54	0.0003	2008/05/11 15:43:24	0B / 29B / 20B
2	leonid	54	0.0298	2008/05/19 11:50:44	0B / 29B / 20B
3	murky-satyr	54	0.0797	2008/05/21 01:16:35	0B / 28B / 21B
4	yowa	56	0.0003	2008/05/11 03:42:04	0B / 28B / 23B
5	pooq	58	0.0990	2008/05/17 16:10:05	0B / 31B / 22B
6	tabasa	77	0.0730	2008/05/12 09:40:22	4B / 38B / 26B

Perl _

Rank	User	Size	Time	Date	Statistics
1	Terje K	52	0.0198	2008/05/15 21:57:59	0B / 26B / 18B

Python _

Rank	User	Size	Time	Date	Statistics
1	notogawa	60	0.0834	2008/05/17 19:06:32	0B / ?B / ?B
2	Defenestrator	60	0.0666	2008/05/20 12:12:11	0B / 30B / 25B
3	pooq	64	0.5998	2008/05/17 16:07:01	0B / 36B / 20B
4	Hendrik	64	0.5900	2008/05/24 06:08:07	0B / 36B / 20B
5	SeeNoEvil	68	0.0454	2008/05/13 07:08:44	0B / 35B / 26B
6	kt3k	86	0.0338	2008/05/24 01:04:30	0B / 49B / 27B

PHP _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	64	0.1393	2008/05/13 21:38:28	0B / 27B / 31B

Scheme _

Rank	User	Size	Time	Date	Statistics
1	pooq	98	0.0898	2008/05/13 22:16:30	0B / 53B / 33B
2	murky-satyr	107	0.0694	2008/05/12 21:42:16	0B / 49B / 43B

Common LISP _

Rank	User	Size	Time	Date	Statistics
1	pooq	74	0.1198	2008/05/13 21:16:37	0B / 40B / 22B

Arc _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	77	3.6100	2009/10/30 02:01:11	0B / 41B / 21B
2	pooq	79	4.5712	2009/10/12 08:48:03	0B / 41B / 23B

Io _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	78	0.8387	2008/05/13 22:01:11	0B / 42B / 30B
2	pooq	85	0.9729	2008/05/12 17:52:10	0B / 47B / 33B
3	pooq	76	0.8797	2008/05/25 22:20:18	0B / 41B / 29B

JavaScript _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	78	0.0370	2008/05/20 23:21:07	0B / 38B / 37B
2	nn	79	0.0225	2008/05/20 18:07:28	0B / 38B / 38B

Lua _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	71	0.0003	2008/05/21 01:52:33	0B / 41B / 22B
2	pooq	78	0.0356	2008/05/12 22:52:18	0B / 44B / 24B

Tcl _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	103	0.0035	2009/11/22 03:22:33	0B / 55B / 31B
2	pooq	104	0.0035	2009/11/21 04:27:51	0B / 56B / 30B

Icon _

Rank	User	Size	Time	Date	Statistics
1	clock(pooq)	100	0.0154	2012/04/11 12:15:41	0B / 57B / 33B
2	pooq	105	0.0193	2012/04/11 11:25:22	0B / 57B / 38B

REXX _

Rank	User	Size	Time	Date	Statistics
1	pooq	92	0.0202	2012/04/11 17:24:20	0B / 59B / 20B

PARI/GP _

Rank	User	Size	Time	Date	Statistics
1	pooq	62	0.0643	2012/05/06 13:00:38	0B / 32B / 25B

Smalltalk _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	88	0.1687	2008/05/12 11:43:04	0B / 48B / 34B

Prolog _

Rank	User	Size	Time	Date	Statistics
1	pooq	71	0.0002	2009/02/27 07:00:48	0B / 36B / 29B

Forth _

Rank	User	Size	Time	Date	Statistics
1	51b	109	0.0179	2008/05/21 18:22:45	0B / 55B / 23B
2	51b	103	0.0337	2008/09/15 19:22:36	0B / 52B / 25B

BASIC _

Rank	User	Size	Time	Date	Statistics
1	pooq	73	0.3272	2008/05/17 00:56:41	0B / 41B / 24B

Erlang _

Rank	User	Size	Time	Date	Statistics
1	51b	119	0.5439	2008/05/11 17:14:22	0B / 62B / 50B

J _

Rank	User	Size	Time	Date	Statistics
1	pooq	64	0.5374	2008/05/17 00:55:30	0B / 29B / 28B
2	pooq	59	0.0607	2011/01/30 08:02:53	0B / 24B / 27B

C _

Rank	User	Size	Time	Date	Statistics
1	51b	75	0.0297	2008/05/11 14:45:45	0B / 37B / 33B
2	notogawa	75	0.0199	2008/05/11 20:26:57	0B / 37B / 33B
3	murky-satyr	75	0.0318	2008/05/13 21:30:43	0B / 38B / 32B
4	Shax	76	0.0003	2008/05/12 23:53:12	0B / ?B / ?B
5	yowa	77	0.0313	2008/05/12 00:36:20	0B / 36B / 36B
6	Hendrik	125	0.0003	2008/05/15 06:05:55	3B / 70B / 41B

C++ _

Rank	User	Size	Time	Date	Statistics
1	Shax	100	0.0003	2008/05/14 14:03:25	1B / ?B / ?B

D _

Rank	User	Size	Time	Date	Statistics
1	51b	88	0.0003	2008/05/11 14:57:53	0B / 47B / 33B

OCaml _

Rank	User	Size	Time	Date	Statistics
1	ksk	87	0.0896	2008/06/18 23:18:53	0B / 56B / 20B

Haskell _

Rank	User	Size	Time	Date	Statistics
1	notogawa	95	0.0831	2008/05/17 19:25:20	0B / ?B / ?B
2	Hendrik	109	0.0603	2008/05/24 06:12:31	0B / 66B / 35B

Java _

Rank	User	Size	Time	Date	Statistics
1	teebee	99	0.1293	2011/03/22 06:45:24	0B / 55B / 37B
2	pooq	118	0.1732	2010/09/17 22:37:51	0B / 70B / 41B

Pascal _

Rank	User	Size	Time	Date	Statistics
1	uru	89	0.0283	2009/07/15 22:38:05	0B / 54B / 25B
2	pooq	92	0.0299	2009/01/19 15:41:04	0B / 55B / 26B

Fortran _

Rank	User	Size	Time	Date	Statistics
1	yuko	65	0.0002	2009/08/18 00:09:33	0B / 35B / 26B
2	pooq	73	0.0003	2008/11/01 16:12:42	0B / 42B / 22B
3	fd0	77	0.0500	2008/10/04 18:42:13	0B / 43B / 28B

Maxima _

Rank	User	Size	Time	Date	Statistics
1	pooq	67	0.2310	2009/08/09 13:00:16	0B / 33B / 28B

gnuplot _

Rank	User	Size	Time	Date	Statistics
1	pooq	121	0.0229	2012/04/18 18:31:56	0B / 67B / 43B

Octave _

Rank	User	Size	Time	Date	Statistics
1	pooq	57	0.4868	2011/10/17 16:55:02	0B / 28B / 24B

Asymptote _

Rank	User	Size	Time	Date	Statistics
1	teebee	79	0.1154	2011/12/20 18:53:23	0B / 41B / 31B
2	pooq	82	0.1911	2011/12/20 17:54:19	0B / 41B / 34B

AWK _

Rank	User	Size	Time	Date	Statistics
1	nn(cheat)	62	0.0093	2008/05/12 00:09:55	0B / 31B / 26B
2	notogawa	63	0.0092	2008/05/11 23:41:03	0B / ?B / ?B
3	nn	63	0.0993	2008/05/12 13:31:22	0B / 36B / 22B
4	pooq	63	0.1108	2008/05/17 16:09:14	0B / 35B / 23B
5	tabasa	77	0.0222	2008/05/12 09:53:50	0B / 41B / 31B

Postscript _

Rank	User	Size	Time	Date	Statistics
1	yshl(bin)	141	0.3927	2008/05/12 22:08:31	60B / 48B / 26B
2	yshl	234	0.3594	2008/05/12 18:23:42	0B / 159B / 33B

R _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	61	1.2397	2008/05/13 21:30:17	0B / 33B / 23B
2	51b	62	3.3488	2008/05/16 20:25:29	0B / 34B / 23B
3	pooq	63	1.2496	2008/05/13 22:17:03	0B / 35B / 22B

D-compile-time _

Rank	User	Size	Time	Date	Statistics
1	51b	224	0.7492	2008/05/12 17:34:06	0B / 131B / 80B

DOS _

Rank	User	Size	Time	Date	Statistics
1	chocobi	235	1.2265	2008/11/18 02:52:28	130B / ?B / ?B

Vim _

Rank	User	Size	Time	Date	Statistics
1	nn	108	0.0322	2010/10/10 12:03:49	0B / 64B / 33B

goruby _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	47	0.1095	2008/07/23 01:40:56	0B / 21B / 21B

Groovy _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	75	4.0497	2008/05/21 01:44:24	0B / 43B / 27B
2	nn	93	4.0592	2008/05/13 19:21:50	0B / 47B / 40B
3	nn(esc bug)	128	4.2548	2008/05/11 15:55:24	0B / 79B / 43B
4	teebee	61	2.1138	2011/03/22 06:52:27	0B / 34B / 22B
5	murky-satyr	62	3.3040	2009/12/06 17:07:19	0B / 36B / 21B
6	nn	64	1.1820	2009/12/06 11:53:36	0B / 37B / 22B

Scala _

Rank	User	Size	Time	Date	Statistics
1	teebee	71	7.4324	2011/03/22 06:08:30	0B / 39B / 25B
2	murky-satyr	71	7.3397	2011/03/22 06:22:08	0B / 40B / 24B
3	pooq	73	3.5844	2011/02/16 12:13:24	0B / 42B / 24B

Logo _

Rank	User	Size	Time	Date	Statistics
1	teebee	75	0.0034	2011/03/23 10:21:43	0B / 43B / 20B
2	pooq	94	0.0015	2011/03/21 20:17:25	0B / 53B / 24B

Language Ranking_

Rank	Lang	User	Size	Score
1	goruby	murky-satyr	47	10000
2	Perl	Terje K	52	9038
3	Ruby	ksk	54	8703
4	Octave	pooq	57	8245
5	J	pooq	59	7966
6	Python	notogawa	60	7833
7	R	murky-satyr	61	7704
8	Groovy	teebee	61	7704
9	AWK	nn(cheat)	62	7580
10	PARI/GP	pooq	62	7580
11	PHP	murky-satyr	64	7343
12	Fortran	yuko	65	7230
13	Maxima	pooq	67	7014
14	Lua	murky-satyr	71	6619
15	Prolog	pooq	71	6619
16	Scala	teebee	71	6619
17	BASIC	pooq	73	6438
18	Common LISP	pooq	74	6351
19	C	51b	75	6266
20	Logo	teebee	75	6266
21	Io	pooq	76	6184
22	Arc	murky-satyr	77	6103
23	JavaScript	murky-satyr	78	6025
24	Asymptote	teebee	79	5949
25	OCaml	ksk	87	5402
26	D	51b	88	5340
27	Smalltalk	murky-satyr	88	5340
28	Pascal	uru	89	5280
29	REXX	pooq	92	5108
30	Haskell	notogawa	95	4947
31	Scheme	pooq	98	4795
32	Java	teebee	99	4747
33	C++	Shax	100	4700
34	Icon	clock(pooq)	100	4700
35	Forth	51b	103	4563
36	Tcl	murky-satyr	103	4563
37	Vim	nn	108	4351
38	Erlang	51b	119	3949
39	gnuplot	pooq	121	3884
40	Postscript	yshl(bin)	141	3333
41	D-compile-time	51b	224	2098
42	DOS	chocobi	235	2000

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