Begin: C, C#, Haskell, Java, Python

1 files changed, 32 insertions, 0 deletions

diff --git a/gcd.cs b/gcd.cs
new file mode 100644
index 0000000..0825cea
--- /dev/null
+++ b/gcd.cs
@@ -0,0 +1,32 @@
+using System;
+
+namespace GCD {
+    class Program {
+        static uint gcd2(uint a, uint b) {
+            uint c;
+            while (b != 0) {
+                c = b;
+                b = a % b;
+                a = c;
+            }
+            return a;
+        }
+
+        static uint gcdn(uint [] n) {
+            uint r = n[0];
+            for (int i = 1; i < n.Length; i++)
+                r = gcd2(r, n[i]);
+            return r;
+        }
+
+        static void Main(string [] argv) {
+            uint [] a = Array.ConvertAll<string, uint>(argv,
+                    new Converter<string, uint>
+                    (delegate(string s) {return uint.Parse(s);})
+                    );
+
+            Console.WriteLine("{0}", gcdn(a));
+        }
+    }
+}
+