leetcode: finished #38

content/leetcode/2023/8.md

@@ -3,6 +3,38 @@ title: "2023.8"
 draft: false
 ---
 
+# 2023.8.25
+
+```python
+#
+# @lc app=leetcode.cn id=38 lang=python3
+#
+# [38] 外观数列
+#
+
+
+# @lc code=start
+class Solution:
+    def countAndSay(self, n: int) -> str:
+        if n == 1:
+            return "1"
+        else:
+            s = self.countAndSay(n - 1)
+            i = 0
+            j = 0
+            res = ""
+            while j < len(s):
+                if s[i] != s[j]:
+                    res += str(j - i) + s[i]
+                    i = j
+                j += 1
+            res += str(j - i) + s[i]
+            return res
+
+
+# @lc code=end
+```
+
 # 2023.8.24
 
 ```python