using System;
namespace _017_编程题
{
class Program
{
static void Main(string[] args)
{
int x = 1, a = 0, b = 0;
switch (x)
{
case 0: b++; break;
case 1: a++; break;
case 2: a++; b++; break;
}
Console.WriteLine("a=" + a + " b=" + b);
}
}
}