摘要: 利用哈希表 class Solution: def permute(self, nums: List[int]) -> List[List[int]]: ans = [] path = [] n = len(nums) def dfs(i, s): if i==n: ans.append(path[ 阅读全文
posted @ 2024-07-16 14:34 r1-12king 阅读(12) 评论(0) 推荐(0)
摘要: 例题: 方法一:枚举下一个数选哪个 class Solution: def combine(self, n: int, k: int) -> List[List[int]]: ans = [] path = [] def dfs(i: int) -> None: d = k - len(path) 阅读全文
posted @ 2024-07-16 09:55 r1-12king 阅读(13) 评论(0) 推荐(0)