Middle three digits: Difference between revisions
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(→{{header|J}}: Add J) |
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middleThreeDigits(cast(short)-32768): 276</pre> |
middleThreeDigits(cast(short)-32768): 276</pre> |
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=={{header|J}}== |
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'''Solution:''' |
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<lang j>asString=: ":"0 |
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noNeg=: -.&'_' |
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getMid3=: (3 {. 'err' ,~ ([: -: 3 -~ len) }. ]) :: ('err'"_) |
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getMiddle3=: getMid3@noNeg@asString</lang> |
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'''Example:''' |
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<lang j> vals=: 123 12345 1234567 987654321 10001 _10001 _123 _100 100 _12345 1 2 _1 _10 2002 _2002 0 |
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getMiddle3 vals |
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123 |
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234 |
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345 |
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654 |
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000 |
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000 |
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123 |
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100 |
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100 |
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234 |
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err |
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err |
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err |
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err |
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err |
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err |
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err</lang> |
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=={{header|OCaml}}== |
=={{header|OCaml}}== |
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