3 March 2012
- 01:0401:04, 3 March 2012 diff hist +1,012 SEDOLs →{{header|PicoLisp}}
2 March 2012
- 14:1814:18, 2 March 2012 diff hist +881 Rot-13 →{{header|Pike}}
23 February 2012
- 13:1613:16, 23 February 2012 diff hist +426 Element-wise operations →{{header|PicoLisp}}
- 13:1413:14, 23 February 2012 diff hist −427 Element-wise operations →{{header|PL/I}}
- 13:0713:07, 23 February 2012 diff hist +343 Catalan numbers →{{header|PL/I}}
- 08:1308:13, 23 February 2012 diff hist +572 Catalan numbers →{{header|PicoLisp}}
- 04:2804:28, 23 February 2012 diff hist −104 Vigenère cipher →{{header|PL/I}}
21 February 2012
- 06:1106:11, 21 February 2012 diff hist +1,722 Vigenère cipher →{{header|PicoLisp}}
28 January 2012
- 06:5206:52, 28 January 2012 diff hist +1,387 Hofstadter Q sequence →{{header|PL/I}}
27 January 2012
26 January 2012
- 03:2003:20, 26 January 2012 diff hist +6,851 Hofstadter Figure-Figure sequences →{{header|Perl 6}}
22 January 2012
- 14:2914:29, 22 January 2012 diff hist +840 Kaprekar numbers →{{header|PicoLisp}}
21 January 2012
- 06:5706:57, 21 January 2012 diff hist +197 Pick random element →{{header|PicoLisp}}
- 06:5206:52, 21 January 2012 diff hist +2,435 Pi →{{header|PicoLisp}}
18 January 2012
- 12:1012:10, 18 January 2012 diff hist +1,312 Longest string challenge →{{header|Pike}}
17 January 2012
- 14:3714:37, 17 January 2012 diff hist +203 Read a file line by line →{{header|PHP}}
- 12:3012:30, 17 January 2012 diff hist +65 Hello world/Newline omission →{{header|PicoLisp}}
- 01:2501:25, 17 January 2012 diff hist +47 Sum of a series →{{header|PL/I}}
- 01:0501:05, 17 January 2012 diff hist +1,885 Parsing/Shunting-yard algorithm →{{header|PL/I}}
16 January 2012
- 15:0015:00, 16 January 2012 diff hist +3,159 Parsing/Shunting-yard algorithm →{{header|PicoLisp}}
15 January 2012
- 14:2414:24, 15 January 2012 diff hist +2 Even or odd →{header|PL/I}
- 14:2214:22, 15 January 2012 diff hist +108 Even or odd →{{header|Pike}}
24 November 2011
- 12:5112:51, 24 November 2011 diff hist +1,482 Linear congruential generator →{{header|PicoLisp}}
19 November 2011
- 05:3905:39, 19 November 2011 diff hist +657 Text processing/Max licenses in use →{{header|PL/I}}
- 05:3605:36, 19 November 2011 diff hist +709 Happy numbers →{{header|PL/I}}
- 03:0603:06, 19 November 2011 diff hist +657 Strip control codes and extended characters from a string →{{header|PL/I}}
- 02:5602:56, 19 November 2011 diff hist +604 Range extraction →{{header|PL/I}}
18 November 2011
- 15:2715:27, 18 November 2011 diff hist +18 Truncatable primes →{{header|PL/I}}
- 15:2415:24, 18 November 2011 diff hist +2,197 Read a configuration file →{{header|PicoLisp}}
- 15:2015:20, 18 November 2011 diff hist 0 Strip control codes and extended characters from a string →{{header|PL/I}}
- 15:1715:17, 18 November 2011 diff hist +1,091 Strip control codes and extended characters from a string →{{header|Pike}}
- 09:3409:34, 18 November 2011 diff hist +319 Primality by trial division →{{header|PicoLisp}}
- 08:5708:57, 18 November 2011 diff hist +1,781 Truncatable primes →{{header|PicoLisp}}
30 October 2011
- 10:2210:22, 30 October 2011 diff hist +16 Constrained random points on a circle →{{header|PL/I}}
- 10:1210:12, 30 October 2011 diff hist +1,090 Letter frequency →{{header|PL/I}}
- 10:0710:07, 30 October 2011 diff hist +294 Determine if a string is numeric →{{header|PL/I}}
- 10:0310:03, 30 October 2011 diff hist +578 Count occurrences of a substring →{{header|PicoLisp}}
- 02:1102:11, 30 October 2011 diff hist +240 Empty string →{{header|PicoLisp}}
- 01:4301:43, 30 October 2011 diff hist +547 Count in octal →{{header|PicoLisp}}
- 01:1701:17, 30 October 2011 diff hist +1,537 Constrained random points on a circle →{{header|PicoLisp}}
- 00:1800:18, 30 October 2011 diff hist +61 A+B →{{header|Piet}}
29 October 2011
- 13:5913:59, 29 October 2011 diff hist +687 Letter frequency →{{header|PicoLisp}}
- 13:2613:26, 29 October 2011 diff hist +58 Include a file →{{header|PicoLisp}}
- 13:2313:23, 29 October 2011 diff hist +1 User input/Text →{{header|PL/I}}
- 13:0913:09, 29 October 2011 diff hist +377 Binary digits →{{header|PL/I}}
- 13:0113:01, 29 October 2011 diff hist +139 Caesar cipher →{{header|PL/I}}
28 October 2011
- 23:1323:13, 28 October 2011 diff hist +7 Special characters →{{header|PL/I}}
- 23:0623:06, 28 October 2011 diff hist +290 Read a specific line from a file →{{header|PicoLisp}}
- 22:4422:44, 28 October 2011 diff hist +247 History variables →{{header|PicoLisp}}
- 15:2215:22, 28 October 2011 diff hist +853 Caesar cipher →{{header|PicoLisp}}