diff --git a/docs/开发/Python/分支、循环结构.md b/docs/开发/Python/分支、循环结构.md
index fe66d30b..c5ce3d50 100644
--- a/docs/开发/Python/分支、循环结构.md
+++ b/docs/开发/Python/分支、循环结构.md
@@ -88,103 +88,4 @@ if counter > 7:
 
 上面的代码中使用了`break`关键字来提前终止循环，需要注意的是`break`只能终止它所在的那个循环，这一点在使用嵌套的循环结构（下面会讲到）需要引起注意。除了`break`之外，还有另一个关键字是`continue`，它可以用来放弃本次循环后续的代码直接让循环进入下一轮。
 
-## 常见循环示例
-
-### 九九乘法表
-
-```
-"""
-输出乘法口诀表(九九表)
-
-Version: 0.1
-Author: 骆昊
-"""
-
-for i in range(1, 10):
-    for j in range(1, i + 1):
-        print('%d*%d=%d' % (i, j, i * j), end='\t')
-    print()
-```
-
-### 判断是不是素数
-
-```
-"""
-输入一个正整数判断它是不是素数
-
-Version: 0.1
-Author: 骆昊
-Date: 2018-03-01
-"""
-from math import sqrt
-
-num = int(input('请输入一个正整数: '))
-end = int(sqrt(num))
-is_prime = True
-for x in range(2, end + 1):
-    if num % x == 0:
-        is_prime = False
-        break
-if is_prime and num != 1:
-    print('%d是素数' % num)
-else:
-    print('%d不是素数' % num)
-```
-
-### 打印三角形图案
-
-```
-*
-**
-***
-****
-*****
-```
-
-```
-    *
-   **
-  ***
- ****
-*****
-```
-
-```
-    *
-   ***
-  *****
- *******
-*********
-```
-
-```
-"""
-打印三角形图案
-
-Version: 0.1
-Author: 骆昊
-"""
-
-row = int(input('请输入行数: '))
-for i in range(row):
-    for _ in range(i + 1):
-        print('*', end='')
-    print()
-
-
-for i in range(row):
-    for j in range(row):
-        if j < row - i - 1:
-            print(' ', end='')
-        else:
-            print('*', end='')
-    print()
-
-for i in range(row):
-    for _ in range(row - i - 1):
-        print(' ', end='')
-    for _ in range(2 * i + 1):
-        print('*', end='')
-    print()
-```
 
diff --git a/docs/算法/常见算法.md b/docs/算法/常见算法.md
new file mode 100644
index 00000000..a915b1ea
--- /dev/null
+++ b/docs/算法/常见算法.md
@@ -0,0 +1,203 @@
+---
+id: 常见代码
+title: 常见代码
+sidebar_position: 3
+data: 2022年1月27日
+---
+## 九九乘法表
+
+```python
+"""
+输出乘法口诀表(九九表)
+
+Version: 0.1
+Author: 骆昊
+"""
+
+for i in range(1, 10):
+    for j in range(1, i + 1):
+        print('%d*%d=%d' % (i, j, i * j), end='\t')
+    print()
+```
+
+## 判断是不是素数
+
+```python
+"""
+输入一个正整数判断它是不是素数
+
+Version: 0.1
+Author: 骆昊
+Date: 2018-03-01
+"""
+from math import sqrt
+
+num = int(input('请输入一个正整数: '))
+end = int(sqrt(num))
+is_prime = True
+for x in range(2, end + 1):
+    if num % x == 0:
+        is_prime = False
+        break
+if is_prime and num != 1:
+    print('%d是素数' % num)
+else:
+    print('%d不是素数' % num)
+```
+
+## 打印三角形图案
+
+```python
+*
+**
+***
+****
+*****
+```
+
+```python
+    *
+   **
+  ***
+ ****
+*****
+```
+
+```python
+    *
+   ***
+  *****
+ *******
+*********
+```
+
+```python
+"""
+打印三角形图案
+
+Version: 0.1
+Author: 骆昊
+"""
+
+row = int(input('请输入行数: '))
+for i in range(row):
+    for _ in range(i + 1):
+        print('*', end='')
+    print()
+
+
+for i in range(row):
+    for j in range(row):
+        if j < row - i - 1:
+            print(' ', end='')
+        else:
+            print('*', end='')
+    print()
+
+for i in range(row):
+    for _ in range(row - i - 1):
+        print(' ', end='')
+    for _ in range(2 * i + 1):
+        print('*', end='')
+    print()
+```
+
+## 寻找水仙花数
+
+```python
+"""
+找出所有水仙花数
+
+Version: 0.1
+Author: 骆昊
+"""
+
+for num in range(100, 1000):
+    low = num % 10
+    mid = num // 10 % 10
+    high = num // 100
+    if num == low ** 3 + mid ** 3 + high ** 3:
+        print(num)
+```
+
+## 数字反转
+
+```python
+"""
+正整数的反转
+
+Version: 0.1
+Author: 骆昊
+"""
+
+num = int(input('num = '))
+reversed_num = 0
+while num > 0:
+    reversed_num = reversed_num * 10 + num % 10
+    num //= 10
+print(reversed_num)
+```
+
+## 百钱百鸡
+
+```python
+"""
+《百钱百鸡》问题
+
+Version: 0.1
+Author: 骆昊
+"""
+
+for x in range(0, 20):
+    for y in range(0, 33):
+        z = 100 - x - y
+        if 5 * x + 3 * y + z / 3 == 100:
+            print('公鸡: %d只, 母鸡: %d只, 小鸡: %d只' % (x, y, z))
+```
+
+## CRAPS赌博游戏
+
+```python
+"""
+Craps赌博游戏
+我们设定玩家开始游戏时有1000元的赌注
+游戏结束的条件是玩家输光所有的赌注
+
+Version: 0.1
+Author: 骆昊
+"""
+from random import randint
+
+money = 1000
+while money > 0:
+    print('你的总资产为:', money)
+    needs_go_on = False
+    while True:
+        debt = int(input('请下注: '))
+        if 0 < debt <= money:
+            break
+    first = randint(1, 6) + randint(1, 6)
+    print('玩家摇出了%d点' % first)
+    if first == 7 or first == 11:
+        print('玩家胜!')
+        money += debt
+    elif first == 2 or first == 3 or first == 12:
+        print('庄家胜!')
+        money -= debt
+    else:
+        needs_go_on = True
+    while needs_go_on:
+        needs_go_on = False
+        current = randint(1, 6) + randint(1, 6)
+        print('玩家摇出了%d点' % current)
+        if current == 7:
+            print('庄家胜')
+            money -= debt
+        elif current == first:
+            print('玩家胜')
+            money += debt
+        else:
+            needs_go_on = True
+print('你破产了, 游戏结束!')
+```
+