python-leetcode-同构字符串
205. 同构字符串 - 力扣（LeetCode）
class Solution:
def isIsomorphic(self, s: str, t: str) -> bool:
if len(s) != len(t):
return False
mapping_s_t = {}
mapping_t_s = {}
for char_s, char_t in zip(s, t):
# 检查 s -> t 的映射
if char_s in mapping_s_t:
if mapping_s_t[char_s] != char_t:
return False
else:
mapping_s_t[char_s] = char_t
# 检查 t -> s 的映射
if char_t in mapping_t_s:
if mapping_t_s[char_t] != char_s:
return False
else:
mapping_t_s[char_t] = char_s
return True