static void TestPermutation(string[] args)
{
#region 排列
// 求排列：5个数取3个的任意排列
int[] IntArr = new int[] { 1, 2, 3, 4, 5 }; //整型数组
List <int[]> ListCombination = PermutationAndCombination <int> .GetPermutation(IntArr, 3); //求全部的5取3排列
foreach (int[] arr in ListCombination)
{
foreach (int item in arr)
{
Console.Write(item + " ");
}
Console.WriteLine("");
}
#endregion
}
static void TestCombination(string[] args)
{
#region 组合
// 求组合：求5个数里任意3个数的组合
int[] IntArr = new int[] { 1, 2, 3, 4, 5 }; //整型数组
List <int[]> ListCombination = PermutationAndCombination <int> .GetCombination(IntArr, 3); //求全部的3-3组合
foreach (int[] arr in ListCombination)
{
foreach (int item in arr)
{
Console.Write(item + " ");
}
Console.WriteLine("");
}
Console.ReadKey();
#endregion
}