题解 | #缺失的第一个正整数#
缺失的第一个正整数
https://www.nowcoder.com/practice/50ec6a5b0e4e45348544348278cdcee5
# # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param nums int整型一维数组 # @return int整型 # class Solution: def minNumberDisappeared(self , nums: list[int]) -> int: # write code here hash = {} for num in nums: hash[num] = 1 i = 1 while True: if i not in hash: return i i += 1