Coding Games and Programming Challenges to Code Better
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Created by @ATmax,validated by @Kktus,@Miki09 and @Dyd.
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I guess due to some ambiguity the last validator check fails.
Testcase 7 contains “117” which is “O” in octal and “u” in decimal. The test case reference result contains “O”.
I “fixed” the test case by checking octal before decimal. But this seems to be wrong.
JavaScript:
console.error(String.fromCharCode(parseInt(‘117’, 8))) // → O
console.error(String.fromCharCode(parseInt(‘117’))) // → u
I check first hexadecimal then octal, decimal, binary.
What hint did I overlook to resolve such ambiguities? I don’t find one. 
Are uppercase letters prior to lowercase letters?
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The statement says
some letters are converted to binary, octal, or hexadecimal randomly.
No letter is converted to decimal.
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Oh my god! How could I miss this. 
Thx
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Just as a comment. Validator test 7 fails when checking hex → oct → bin.
But it succeeds when starting with bin → oct → hex.
Anyway, thx for the quick support.
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For those wondering about the two last validators, it seems that if there’s two consecutive spaces then a space should be printed on stdout