更新0093.复原IP地址python3版本，添加剪枝操作

2025-07-09 03:34:02 +08:00 · 2021-08-24 16:15:36 +08:00
parent b570233409
commit 649fe7a202
1 changed files with 3 additions and 2 deletions
--- a/problems/0093.复原IP地址.md
+++ b/problems/0093.复原IP地址.md
@ -328,6 +328,7 @@ class Solution:
                return

            for i in range(startIndex, len(s)):
+                if len(s) - startIndex > 3*(4 - len(path)): continue # 剪枝，剩下的字符串大于允许的最大长度则跳过
                p = s[startIndex:i+1] # 分割字符
                if isValid(p): # 判断字符是否有效
                    path.append(p)