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Mirch/Duplicates.cs

Last active September 24, 2019 08:49
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Duplicates
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Duplicates.cs
bool HasDuplicates(int[] items)
{
HashSet<int> appearances = new HashSet<int>();
for (int i = 0; i < items.Length; i++)
{
if (!appearances.Add(items[i]))
{
return true;
}
}
return false;
}
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