摘要: class Solution: def permute(self, nums: List[int]) -> List[List[int]]: res = [] def helper(nums, temp): if not nums: if temp not in res: res.append(te 阅读全文
posted @ 2020-10-09 21:35 珊珊来迟0 阅读(107) 评论(0) 推荐(0) 编辑