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Challenges

Posts tagged binary

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Challenges Lowercase, but not just the letters

Given a string of printable ASCII characters, convert them all to lowercase, except not just the letters. ASCII characters that are letters have a bit in their binary representation that is 0 for ...

7 answers  ·  posted 1y ago by trichoplax‭  ·  edited 7mo ago by trichoplax‭

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Challenges Decoding a non injective bit matrix encoding

The problem Someone has created an encoding format for square bit matrices, however they have found it isn't perfect! One encoding may not decode to exactly one matrix, or it may not even be possi...

0 answers  ·  posted 12mo ago by Aftermost2167‭  ·  edited 12mo ago by Aftermost2167‭

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Challenges Mediocre pop count

Given a sequence of letters, omit those with the highest or lowest pop count. Terminology The pop count or population count of a binary string is the number of 1s in it. For this challenge, the ...

6 answers  ·  posted 1y ago by trichoplax‭  ·  last activity 1y ago by A username‭

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Sandbox Mediocre pop count [FINALIZED]

posted 1y ago by trichoplax‭  ·  edited 1y ago by trichoplax‭

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Challenges Rationalise recurring binary

Given a potentially recurring binary string, output the number it represents, as a fraction in lowest terms. The notation used in this challenge for recurring digits is non-standard. An r is used ...

0 answers  ·  posted 1y ago by trichoplax‭  ·  edited 1y ago by trichoplax‭