[jira] [Created] (ARROW-1565) [C++] "argtopk" and "argbottomk" functions for computing indices of largest or smallest elements

[Wes McKinney (JIRA)]

Wes McKinney created ARROW-1565:
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             Summary: [C++] "argtopk" and "argbottomk" functions for computing 
indices of largest or smallest elements
                 Key: ARROW-1565
                 URL: https://issues.apache.org/jira/browse/ARROW-1565
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++
            Reporter: Wes McKinney


Heap-based topk can compute these indices in O(n log k) time



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