Middle three digits: Difference between revisions
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<lang j> vals=: 123 12345 1234567 987654321 10001 _10001 _123 _100 100 _12345 1 2 _1 _10 2002 _2002 0 |
<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 |
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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Or, expressed more concisely:<lang J> ({~ 2 1 0 -~ -:@>:@#) ::('err'"_)@":@| vals |
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123 |
123 |
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234 |
234 |
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