///// <summary>
///// 求从起始标号到结束标号的排列，其余元素不变
///// </summary>
///// <param name="t">所求数组</param>
///// <param name="startIndex">起始标号</param>
///// <param name="endIndex">结束标号</param>
///// <returns>从起始标号到结束标号排列的范型</returns>
//public static List<List<T>> GetPermutation(List<T> t, int startIndex, int endIndex)
//{
// if (startIndex < 0 || endIndex > t.Count - 1)
// {
// return null;
// }
// List<List<T>> list = new List<List<T>>();
// GetPermutation(ref list, t, startIndex, endIndex);
// return list;
//}
///// <summary>
///// 返回数组所有元素的全排列
///// </summary>
///// <param name="t">所求数组</param>
///// <returns>全排列的范型</returns>
//public static List<List<T>> GetPermutationPailie(List<T> t) //where T : new()
//{
// return GetPermutation(t, 0, t.Count - 1);
//}
///// <summary>
///// 求数组中n个元素的排列
///// </summary>
///// <param name="t">所求数组</param>
///// <param name="n">元素个数</param>
///// <returns>数组中n个元素的排列</returns>
//public static List<List<T>> GetPermutation(List<T> t, int n)
//{
// if (n > t.Count)
// {
// return null;
// }
// List<List<T>> list = new List<List<T>>();
// List<List<T>> c = GetCombination(t, n, 一个缓冲);
// for (int i = 0; i < c.Count; i++)
// {
// List<List<T>> l = new List<List<T>>();
// GetPermutation(ref l, c[i], 0, n - 1);
// list.AddRange(l);
// }
// return list;
//}
/// <summary>
/// 求数组中n个元素的组合
/// </summary>
/// <param name="t">所求数组</param>
/// <param name="n">元素个数</param>
/// <returns>数组中n个元素的组合的范型</returns>
public static void GetCombination(List <T> t, int n, PC_CombTable 一个缓冲)
{
if (t.Count < n)
{
return;
}
List <int> temp = new List <int>();
for (int lvii = 0; lvii < n; lvii++)
{
temp.Add(0);
}
//List<List<T>> list = new List<List<T>>();
GetCombination(t, t.Count, n, temp, n, 一个缓冲);
//return list;
}
/// <summary>
/// 递归算法求数组的组合(私有成员)
/// </summary>
/// <param name="list">返回的范型</param>
/// <param name="t">所求数组</param>
/// <param name="n">辅助变量</param>
/// <param name="m">辅助变量</param>
/// <param name="b">辅助数组</param>
/// <param name="M">辅助变量M</param>
private static void GetCombination(List <T> t, int n, int m, List <int> b, int M, PC_CombTable 一个缓冲)
{
for (int i = n; i >= m; i--)
{
b[m - 1] = i - 1;
if (m > 1)
{
GetCombination(t, i - 1, m - 1, b, M, 一个缓冲);
}
else
{
//if (list == null)
//{
// list = new List<List<T>>();
//}
List <T> temp = new List <T>();
for (int j = 0; j < b.Count; j++)
{
temp.Add(t[b[j]]);
}
if (typeof(T) == typeof(int))
{
List <int> ttt = new List <int>();
foreach (T lvt in temp)
{
ttt.Add(Convert.ToInt32(lvt));
}
while (!一个缓冲.Enque(ttt))
{
Thread.Sleep(200);
}
}
}
}
}