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Replaced Dictionary with HashSet and changed the corresponding methods. #13

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Replaced Dictionary with HashSet and changed the corresponding methods. #13

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6 changes: 3 additions & 3 deletions Ch 02. Linked Lists/Q2_01_Remove_Dups.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,12 +24,12 @@ private void Tap(int i)

private void DeleteDupsA(LinkedListNode node)
{
var table = new Dictionary<int, bool>();
var table = new HashSet<int>();
LinkedListNode previous = null;

while (node != null)
{
if (table.ContainsKey(node.Data))
if (table.Contains(node.Data))
{
if (previous != null)
{
Expand All @@ -38,7 +38,7 @@ private void DeleteDupsA(LinkedListNode node)
}
else
{
table.Add(node.Data, true);
table.Add(node.Data);
previous = node;
}

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