From 2c8cb7c6e6e748b19b4fffaea81233e0bac404d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B8=B8=E9=95=87=E5=98=89?= <28297490@qq.com>
Date: Fri, 7 Aug 2020 00:50:17 +0800
Subject: [PATCH] zhishu.java

---
 zhishu.java | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 zhishu.java

diff --git a/zhishu.java b/zhishu.java
new file mode 100644
index 0000000..1c0bc22
--- /dev/null
+++ b/zhishu.java
@@ -0,0 +1,17 @@
+public class zhishu{
+
+　　public double zhishu（double x，double y） {
+　　if (y==0)
+            return 1;
+        else if(y==1)
+            return x;
+        else if(oushu(y))
+            return zhishu(x*x,y/2);
+        else  return zhishu(x*x,(y-1)/2)*x
+　　}
+    private boolean oushu(int n){
+        if(n%2==0)
+            return true;
+        else return false;
+    }
+}
\ No newline at end of file