摘要:
参考:https://leetcode.com/problems/reverse-substrings-between-each-pair-of-parentheses/discuss/382775/Python3-straightforward-and-easiest-on-discussion 阅读全文
摘要:
算法思想:贪心+Hash。 记录b a l o n出现的次数,计算可以构成的单词的最少字符。 阅读全文