Activity for Ray
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Edit | Post #296028 |
Post edited: |
— | 5 months ago |
| Edit | Post #296028 | Initial revision | — | 5 months ago |
| Answer | — |
A: The 50 substrings that validate any string of Roman numerals vim, 212 bytes ```vim A:"xddO11@aj044j116jdj31@ar2j242jdj314jd3j$51@ar4j42d3j512jdG:%s/\(\d\d\)/@ar\1@bj/g "dDqaA 0qqbYp$qxkDqc@a6@bjq(7@c(@doI X C M3kY3P:%!tr 0-6 IVXLCDM :%s/ //g :%s/./:s\/.\\(\0\\).\/\\1\/e ggd)"xp@"df:kdd ``` `` is 0x16. `` is 0x01. `` is 0x1b. Annotated ... (more) |
— | 5 months ago |
| Edit | Post #295724 | Initial revision | — | 6 months ago |
| Answer | — |
A: Single letter HTML sed, 16 bytes /[abipq]/{c q};d Prints a newline for true and an empty string for false. Annotated ``` /[abipq]/{ # run grouped commands for lines matching [abipq] c # change current buffer with remainder of this line (i.e. \n) q # quit }; ... (more) |
— | 6 months ago |
| Edit | Post #295712 | Initial revision | — | 6 months ago |
| Answer | — |
A: Lone ones vim, 42 bytes Better approach than my previous attempt: we can do this in parallel by having our macro only increment the counter and then replace only the Lone Ones with calls to it. ```vim :s/111//g :s/0//g :s/1/@a/g O0qaqjdd@" ``` `` is 0x1b. `` is 0x01. `` is 0x18. Ungolfed ... (more) |
— | 6 months ago |
| Edit | Post #295690 |
Post edited: |
— | 6 months ago |
| Edit | Post #295690 | Initial revision | — | 6 months ago |
| Answer | — |
A: Lone ones vim, 77 bytes Input is a binary string. ```vim :s/^/0 0/ yyP :s/./@a/g qa:g/010$/s/010$//e|0:norm :s/1110$//e qGdd@"WD ``` `` is 0x16. `` is 0x01 Ungolfed: ```vim ; Add a leading zero to make the regexes easier, ; and put "0 " at the front, to act as the count. :s/^/0 0/ ... (more) |
— | 6 months ago |