Split a character string based on change of character: Difference between revisions
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(Updated C++ solution) |
(Added nim implementation) |
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<pre>{g,HHH,5,YY,++,///,\} |
<pre>{g,HHH,5,YY,++,///,\} |
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</pre> |
</pre> |
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=={{header|Nim}}== |
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<lang nim> proc splitOnDiff(str: string) : string = |
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result = "" |
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if str.len < 1: return result |
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var prevChar : char = str[0] |
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for idx in 0 .. < str.len: |
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if str[idx] != prevChar: |
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result &= ", " |
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prevChar = str[idx] |
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result &= str[idx] |
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assert splitOnDiff("""X""") == """X""" |
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assert splitOnDiff("""XX""") == """XX""" |
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assert splitOnDiff("""XY""") == """X, Y""" |
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assert splitOnDiff("""gHHH5YY++///\""") == """g, HHH, 5, YY, ++, ///, \""" |
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echo splitOnDiff("""gHHH5YY++///\""")</lang> |
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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