class Solution: def minNumberDisappeared(self, nums: List[int]) -> int: nums.sort() lastNum = 0 isFound = False for index, item in enumerate(nums): if item <= 0: continue else: # 如果數字一樣,那麽跳過,下一輪循環 if item == lastNum: continue # 如果恰好比前面最小的數字大一,標志數就交換到這個數字 if item - lastNum == 1: lastNum = item ...