Python字符串子序列II def find_last_subsequence(target, source):m = len(target)n = len(source)if m == 0:return 0if n == 0 or m > n:return -1# 逆向匹配i = m python 字符串 python字符串 子序列 字符串子序 2025-03-27 14:45 2