Anonymous user
Power set: Difference between revisions
C# implementation
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(C# implementation) |
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{ 7 }
</pre>
=={{header|C#}}==
<lang c#>
public IEnumerable<IEnumerable<T>> GetPowerSet<T>(List<T> list)
{
return from m in Enumerable.Range(0, 1 << list.Count)
select
from i in Enumerable.Range(0, list.Count)
where (m & (1 << i)) != 0
select list[i];
}
public void PowerSetofColors()
{
var colors = new List<KnownColor> { KnownColor.Red, KnownColor.Green,
KnownColor.Blue, KnownColor.Yellow };
var result = GetPowerSet(colors);
Console.Write( string.Join( Environment.NewLine,
result.Select(subset =>
string.Join(",", subset.Select(clr => clr.ToString()).ToArray())).ToArray()));
}
</lang>
Output:
<lang>
Red
Green
Red,Green
Blue
Red,Blue
Green,Blue
Red,Green,Blue
Yellow
Red,Yellow
Green,Yellow
Red,Green,Yellow
Blue,Yellow
Red,Blue,Yellow
Green,Blue,Yellow
Red,Green,Blue,Yellow
</lang>
=={{header|Common Lisp}}==
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