Initial data commit

Task/Sailors-coconuts-and-a-monkey-problem/C-sharp/sailors-coconuts-and-a-monkey-problem.cs

@@ -0,0 +1,26 @@
+class Test
+{
+    static bool valid(int n, int nuts)
+    {
+        for (int k = n; k != 0; k--, nuts -= 1 + nuts / n)
+        {
+            if (nuts % n != 1)
+            {
+                return false;
+            }
+        }
+
+        return nuts != 0 && (nuts % n == 0);
+    }
+
+    static void Main(string[] args)
+    {
+        int x = 0;
+        for (int n = 2; n < 10; n++)
+        {
+            while (!valid(n, x))
+                x++;
+            System.Console.WriteLine(n + ": " + x);
+        }
+    }
+}