Truncatable primes: Difference between revisions
Content deleted Content added
m →{{header|CoffeeScript}}: fix end tag |
→{{header|CoffeeScript}}: bug fix |
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else |
else |
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left = Math.floor n / 10 |
left = Math.floor n / 10 |
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| ⚫ | |||
while left > 0 |
while left > 0 |
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left = max_right_truncatable_number left, f |
left = max_right_truncatable_number left, f |
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| ⚫ | |||
while right > 0 |
while right > 0 |
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candidate = left * 10 + right |
candidate = left * 10 + right |
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return candidate if f(candidate) |
return candidate if candidate <= n and f(candidate) |
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right -= 1 |
right -= 1 |
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left -= 1 |
left -= 1 |
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right = 9 |
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throw Error "none found" |
throw Error "none found" |
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