24 lines
297 B
C#
24 lines
297 B
C#
using System;
|
|
|
|
public static class C
|
|
{
|
|
static int Main()
|
|
{
|
|
int[] a = null;
|
|
var r = a?.EM ().EM ().EM () ?? "N";
|
|
if (r != "N")
|
|
return 1;
|
|
|
|
a?.EM ().EM ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static string EM (this object arg)
|
|
{
|
|
if (arg == null)
|
|
throw new ApplicationException ();
|
|
|
|
return "";
|
|
}
|
|
} |