20181031

#代码 using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication2 { class Program { static void Main(string[] args) { Console.WriteLine("请输入年份"); int year = Convert.ToInt32(Console.ReadLine()); bool b =year%400==0 || year%4==0 && year%100!=0; Console.WriteLine(b); Console.ReadKey(); } } } #效果