public void TestCombinations()
{
List <List <string> > expected = new List <List <string> >();
expected.Add(new List <string> {
"A", "B"
});
expected.Add(new List <string> {
"A", "C"
});
expected.Add(new List <string> {
"A", "D"
});
expected.Add(new List <string> {
"B", "C"
});
expected.Add(new List <string> {
"B", "D"
});
expected.Add(new List <string> {
"C", "D"
});
Assert.Equal(expected, IterTools <string> .Combinations(new List <string> {
"A", "B", "C", "D"
}, 2));
}
public List <int> FindEntries(List <int> list, int numEntries, int target)
{
foreach (List <int> entries in IterTools <int> .Combinations(list, numEntries))
{
if (entries.Sum() == target)
{
return(entries);
}
}
throw new Exception("No matching entries found");
}