class Solution: def findDisappearedNumbers(self, nums) -> int: a=set(nums) b=len(nums) c=[] while b>0: if b not in a: c.append(b) b-=1 else: b=b-1 return c
执行用时为 148 ms 的范例 class Solution: def findDisappearedNumbers(self, nums: List[int]) -> List[int]: nums_set = set(nums) ret = [] for i in range(1,len(nums) + 1): if i not in nums_set: ret.append(i) return ret
原文：https://www.cnblogs.com/taoyuxin/p/11643959.html