is there a one-liner for this? the bulk of the cou...
# getting-startedo
oday
12/18/2019, 5:55 PMis there a one-liner for this? the bulk of the counting pairs part of the problem I mean, not the end aggregation (but also there as well)
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Ruckus
12/18/2019, 6:05 PM Copy code
fun sockMerchant(n: Int, ar: IntArray) = ar.groupBy { it }.values.sumBy { it.size / 2 }💯 2
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oday
12/18/2019, 6:34 PMyea gussed as muc
oday
12/18/2019, 6:34 PMthank you very much
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