摘要： 我的代码居然过了。。 class Solution: def expand(l,s): r = False for item in l: left = item[0] right = item[1] if left>=1 and s[left-1]=='(' and right+1<len(s) a 阅读全文

摘要： from typing import List from collections import Counter class Solution: def isRectangleCover(self, rectangles) -> bool: rects = [Rectangle(*item) for 阅读全文