leetcode——849. 到最近的人的最大距离

class Solution(object):
    def maxDistToClosest(self, seats):
        """
        :type seats: List[int]
        :rtype: int
        """
        m=0
        i=0
        j=0
        if seats[0] == 0:
            j += 1
            while seats[j] == 0:
                j += 1
            m = max(m, j)
            i = j + 1
            if i == len(seats):
                return m
        while j<len(seats) and i<len(seats):
            if seats[i]==1:
                i+=1
                if i==len(seats):
                    return m
            else:
                j=i
                while seats[j]==0 and j<len(seats):
                    j+=1
                    if j==len(seats):
                        m=max(m,j-i)
                        return m
                if j!=len(seats):
                    m=max(m,(j-i+1)//2)
                    i=j+1
                else:
                    m=max(m,j-i)
                    return m
        return m