public override void Example() { Combination c = new Combination(5, 3); while (c != null) { Console.WriteLine(c.ToString()); c = c.Successor(); } Console.WriteLine(); string[] items = new string[] { "ant", "bug", "cat", "dog", "elk" }; c = new Combination(items.Length, 3); // 5개중 3개 조합 string[] snapshot = null; while (c != null) { snapshot = c.ApplyTo(items); Console.Write("{ "); foreach (string s in snapshot) { Console.Write(s + " "); } Console.WriteLine("}"); c = c.Successor(); } Console.WriteLine(); string[] items2 = new string[] { "apple", "banana", "cherry" }; Permutation p = new Permutation(items2.Length); while (p != null) { snapshot = p.ApplyTo(items2); Console.Write("{ "); foreach (string s in snapshot) { Console.Write(s + " "); } Console.WriteLine("}"); p = p.Successor(); } }