[Init] Solved solutions

cs/119A.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace _119A
+{
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			int[] a = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
+			Console.WriteLine(P(a[0], a[1], a[2]) ? 1 : 0);
+		}
+		static bool P(int a, int b, int c)
+		{
+			while (true)
+			{
+				int gcd = GCD(a, c);
+				c -= gcd;
+				if (c == 0)
+				{
+					return false;
+				}
+				gcd = GCD(b, c);
+				c -= gcd;
+				if (c == 0)
+				{
+					return true;
+				}
+			}
+		}
+		static int GCD(int a, int b)
+		{
+			int t;
+			while (b != 0)
+			{
+				t = a % b;
+				a = b;
+				b = t;
+			}
+			return a;
+		}
+	}
+}