add DJ.md by wmj

DJ.md

@@ -0,0 +1,19 @@
+量子程序如下
+
+| 00                                                           | 10                                                           | 01                                                           | 11                                                           |
+| ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| QINIT 2<br/>CREG 1<br/>X q[1]<br/>H q[0]<br/>H q[1]<br/>H q[0]<br/>MEASURE q[0],c[0] | QINIT 2<br/>CREG 1<br/>X q[1]<br/>H q[0]<br/>H q[1]<br/>CNOT q[0],q[1]<br/>X q[1]<br/>H q[0]<br/>MEASURE q[0],c[0] | QINIT 2<br/>CREG 1<br/>X q[1]<br/>H q[0]<br/>H q[1]<br/>CNOT q[0],q[1]<br/>H q[0]<br/>MEASURE q[0],c[0] | QINIT 2<br/>CREG 1<br/>X q[1]<br/>H q[0]<br/>H q[1]<br/>X q[1]<br/>H q[0]<br/>MEASURE q[0],c[0] |
+
+容易看出其通式为
+
+```
+QINIT 2
+CREG 1
+X q[1]
+H q[0]
+H q[1]
+;DJ_Oracle
+H q[0]
+MEASURE q[0],c[0]
+```
+