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Quick coding test. Given tasks to people, find person with most tasks, that finished first
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| // Broken apart to ease understanding. | |
| val s1=Seq(1,1,1,2,2,2,3,3,3,3,4,4,4,4,1) | |
| val groups=s1.groupBy { identity } | |
| val sizes=groups.mapValues { _.size} | |
| val maxSize=sizes.values.max | |
| val maxUsers=sizes.filter(_._2==maxSize).keys.toSet | |
| val pop=s1.filter(maxUsers).zipWithIndex | |
| val lastPlaces=pop.groupBy(_._1).mapValues(_.last) | |
| val quickest=lastPlaces.values.minBy(_._2)._1 |
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