题解 | #缺失的第一个正整数#

#coding:utf-8
#
# 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 ):
        # write code here
        #init
        n = len(nums)
        aux  = [0 for i in range(0, n + 1)]
        map = {}
        max_val = 0
        #process
        for i in range(0, n):
            cur_num = nums[i]
            map[cur_num] = 1
            max_val = max(max_val, cur_num)
        print (map.items())
        for i in range(1, max_val + 1):
            if map.get(i, -1) == -1:
                return i
        return i + 1