Initial data commit

Task/Quickselect-algorithm/PureBasic/quickselect-algorithm.basic

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+Procedure QuickPartition (Array L(1), left, right, pivotIndex)
+     pivotValue = L(pivotIndex)
+     Swap L(pivotIndex) , L(right); Move pivot To End
+     storeIndex = left
+     For i=left To right-1
+         If L(i) < pivotValue
+             Swap L(storeIndex),L(i)
+             storeIndex+1
+         EndIf
+     Next i
+     Swap L(right), L(storeIndex)  ; Move pivot To its final place
+     ProcedureReturn storeIndex
+ EndProcedure
+Procedure QuickSelect(Array L(1), left, right, k)
+    Repeat
+         If left = right:ProcedureReturn L(left):EndIf
+         pivotIndex.i= left; Select pivotIndex between left And right
+         pivotIndex= QuickPartition(L(), left, right, pivotIndex)
+         If k = pivotIndex
+             ProcedureReturn L(k)
+         ElseIf k < pivotIndex
+             right= pivotIndex - 1
+         Else
+             left= pivotIndex + 1
+         EndIf
+    ForEver
+EndProcedure
+Dim L.i(9)
+For i=0 To 9
+    Read L(i)
+Next i
+DataSection
+    Data.i 9, 8, 7, 6, 5, 0, 1, 2, 3, 4
+EndDataSection
+For i=0 To 9
+    Debug QuickSelect(L(),0,9,i)
+Next i