题解 | #缺失的第一个正整数#

#


# 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
        dic = {}
        for i, v in enumerate(nums):
            if v in dic:
                dic[v] += 1
            else:
                dic[v] = 1
        
        res = []

        res = 1
        while True:
            if res not in dic:
                return res
            else:
                res += 1