From 03a07e4fe321f79c94482732b62e0aec08d53573 Mon Sep 17 00:00:00 2001
From: Omooo <869759698@qq.com>
Date: Sun, 28 Jun 2020 09:46:23 +0800
Subject: [PATCH] =?UTF-8?q?Create=20=E6=A0=88=E7=9B=B8=E5=85=B3.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 blogs/Algorithm/剑指 Offer/栈相关.md | 35 ++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 blogs/Algorithm/剑指 Offer/栈相关.md

diff --git a/blogs/Algorithm/剑指 Offer/栈相关.md b/blogs/Algorithm/剑指 Offer/栈相关.md
new file mode 100644
index 0000000..e56869d
--- /dev/null
+++ b/blogs/Algorithm/剑指 Offer/栈相关.md	
@@ -0,0 +1,35 @@
+---
+栈相关
+---
+
+#### [09. 用两个栈实现队列](https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof/)
+
+```java
+class CQueue {
+
+    Stack<Integer> putStack, takeStack;
+
+    public CQueue() {
+        putStack = new Stack<>();
+        takeStack = new Stack<>();
+    }
+
+    public void appendTail(int value) {
+        putStack.push(value);
+    }
+
+    public int deleteHead() {
+        if (takeStack.isEmpty()) {
+            while (!putStack.isEmpty()) {
+                takeStack.push(putStack.pop());
+            }
+        }
+        if (takeStack.isEmpty()) {
+            return -1;
+        } else {
+            return takeStack.pop();
+        }
+    }
+}
+```
+