Initial data commit

Task/Short-circuit-evaluation/C-sharp/short-circuit-evaluation-1.cs

@@ -0,0 +1,30 @@
+using System;
+
+class Program
+{
+    static bool a(bool value)
+    {
+        Console.WriteLine("a");
+        return value;
+    }
+
+    static bool b(bool value)
+    {
+        Console.WriteLine("b");
+        return value;
+    }
+
+    static void Main()
+    {
+        foreach (var i in new[] { false, true })
+        {
+            foreach (var j in new[] { false, true })
+            {
+                Console.WriteLine("{0} and {1} = {2}", i, j, a(i) && b(j));
+                Console.WriteLine();
+                Console.WriteLine("{0} or {1} = {2}", i, j, a(i) || b(j));
+                Console.WriteLine();
+            }
+        }
+    }
+}

Task/Short-circuit-evaluation/C-sharp/short-circuit-evaluation-2.cs

@@ -0,0 +1,27 @@
+a
+False and False = False
+
+a
+b
+False or False = False
+
+a
+False and True = False
+
+a
+b
+False or True = True
+
+a
+b
+True and False = False
+
+a
+True or False = True
+
+a
+b
+True and True = True
+
+a
+True or True = True