Figure out direction of CNOT

charles-wangkai · charles-wangkai · commit 61efba50faa8 · 2020-06-20T00:09:06.000+08:00
diff --git a/1357/A1.qs b/1357/A1.qs
@@ -0,0 +1,23 @@
+namespace Solution {
+    open Microsoft.Quantum.Intrinsic;
+
+    operation Solve (unitary : (Qubit[] => Unit is Adj+Ctl)) : Int {
+        mutable result = -1;
+
+        using (qs = Qubit[2]) {
+            X(qs[0]);
+
+            unitary(qs);
+
+            if (M(qs[1]) == One) {
+                set result = 0;
+            } else {
+                set result = 1;
+            }
+
+            ResetAll(qs);
+        }
+
+        return result;
+    }
+}
