Activity for daviewales
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Comment | Post #295550 |
You have to press Ctrl-D to signal end of file.
Or you can put it in a script file, and pipe the value into it. (more) |
— | 7 months ago |
| Edit | Post #295550 | Initial revision | — | 7 months ago |
| Answer | — |
A: Lone ones Bash, 53 bytes ``` sed 's/\(.\)/\1\n/g' /dev/stdin|uniq -c|grep -c '1 1' ``` 1. Add a newline after each character. 2. Count the number of characters in each group with `uniq` 3. Count the number of groups with only one '1' with `grep` (more) |
— | 7 months ago |
| Comment | Post #291091 |
Thanks! I've updated it. (more) |
— | 7 months ago |
| Edit | Post #291091 |
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— | 7 months ago |
| Edit | Post #291091 |
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— | 7 months ago |
| Edit | Post #291091 |
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— | about 2 years ago |
| Edit | Post #291091 |
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— | over 2 years ago |
| Edit | Post #291091 |
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— | over 2 years ago |
| Edit | Post #291091 | Initial revision | — | over 2 years ago |
| Answer | — |
A: The 50 substrings that validate any string of Roman numerals Python, 338 bytes 534 bytes: This is not golfed in any way. But it's the current winner! ``` python def validateromannumeral(candidate): invalidstrings = ["CCCC", "CCD", "CCM", "CDC", "CMC", "CMD", "CMM", "DCD", "DCM", "DD", "DM", "IC", "ID", "IIII", "IIV", "IIX", "IL", "IM", "IVI"... (more) |
— | over 2 years ago |