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package sort
import (
"algorithms/ds"
"sync"
)
func ParallelQuick(a ds.ArrayList) ds.ArrayList {
//Shuffle(a)
parallelQuick(a)
return a
}
func parallelQuick(a ds.ArrayList) {
l := len(a)
if l < 1000 {
quick(a)
return
}
j := quickPartition(a)
var wg sync.WaitGroup
wg.Add(2)
go func() {
parallelQuick(a[0:j])
wg.Done()
}()
go func() {
parallelQuick(a[j+1:])
wg.Done()
}()
wg.Wait()
}
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