static void light(Boolean[] lights,int n)
{ if (n <= 1 || lights.Length<5) return; for (int i = 0; i < lights.Length; i++) { if ((i + 1) % n == 0) lights[i] = !lights[i]; } light(lights, n - 1);}static void Main(string[] args){ Boolean[ ] list=new Boolean[10];//共10盏灯,自行修改 for (int i = 0; i < list.Length; i++) list[i] = true; light(list, 5); for (int i = 0; i < list.Length; i++) if (list[i]) Console.WriteLine("第" + (i + 1) + "个灯亮"); Console.ReadLine();}
public class Lamp { public bool State = true; public int Num; public void Toggle() { State = !State; } } |
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int N = 10; List<Lamp> lamps = new List<Lamp>(); for (int i = 1; i <= N; i++) { lamps.Add(new Lamp() { Num = i }); } lamps.Where(p => p.Num % 2 == 0).ToList().ForEach(p => p.Toggle()); lamps.Where(p => p.Num % 3 == 0).ToList().ForEach(p => p.Toggle()); lamps.Where(p => p.Num % 4 == 0).ToList().ForEach(p => p.Toggle()); lamps.Where(p => p.Num % 5 == 0).ToList().ForEach(p => p.Toggle()); lamps.Where(p => p.State == true).ToList().ForEach(p => Console.WriteLine(" " + p.Num)); |