Variable declaration reset: Difference between revisions
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m (J: when showing the idiomatic approach, use the idomatic syntax for expressing a numeric list) |
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First off, the idiomatic J approach to finding indices of numbers which match their predecessors would be: |
First off, the idiomatic J approach to finding indices of numbers which match their predecessors would be: |
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<lang J> 1+I.(}:=}.) 1 |
<lang J> 1+I.(}:=}.) 1 2 2 3 4 4 5 |
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2 5</lang> |
2 5</lang> |
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