import heapq


class DeletableHeapq:
    def __init__(self, lst=None, reverse=False):
        if reverse:
            self.pm = -1
        else:
            self.pm = 1
        if lst is None:
            self.hq = []
        else:
            self.hq = [self.pm * x for x in lst]

        heapq.heapify(self.hq)
        self.tot = sum(self.hq) * self.pm
        self.cnt = {}
        for x in self.hq:
            self.cnt[x] = self.cnt.get(x, 0) + 1
        self.length = len(self.hq)

    def __bool__(self):
        return bool(self.hq)

    def __len__(self):
        return self.length

    @property
    def sum(self):
        return self.tot

    def top(self):
        if self.hq:
            return self.hq[0] * self.pm
        else:
            return None

    def __getitem__(self, i):
        # 先頭要素にアクセスしたいときのみ
        assert i == 0
        return self.top()

    def push(self, x):
        self.length += 1
        self.cnt[x * self.pm] = self.cnt.get(x * self.pm, 0) + 1
        self.tot += x
        heapq.heappush(self.hq, x * self.pm)

    def pop(self):
        if not self.hq:
            return None
        self.length -= 1
        x = heapq.heappop(self.hq)
        self.cnt[x] -= 1
        self.tot -= x * self.pm
        self._delete()
        return x * self.pm

    def remove(self, x):
        if self.cnt.get(x * self.pm, 0) == 0:
            return False
        self.length -= 1
        self.cnt[x * self.pm] -= 1
        self.tot -= x
        self._delete()
        return True

    def _delete(self):
        while self.hq and self.cnt.get(self.hq[0], 0) == 0:
            heapq.heappop(self.hq)


h, w = map(int, input().split())
S = [input() for _ in range(h)]
dp = [0] * w
for i in range(h - 1, -1, -1):
    add = [[] for _ in range(w)]
    rem = [[] for _ in range(w)]
    L = [0] * w
    l = 0
    for j in range(w):
        if S[i][j] == "#":
            l = j + 1
        L[j] = l
    R = [0] * w
    r = w - 1
    for j in range(w - 1, -1, -1):
        if S[i][j] == "#":
            r = j - 1
        R[j] = r

    for j in range(w):
        if S[i][j] == "#":
            continue
        l = max(L[j], j - dp[j])
        r = min(R[j], j + dp[j])
        add[l].append(dp[j])
        rem[r].append(dp[j])

    hq = DeletableHeapq()
    hq.push(1 << 30)
    dp = [1 << 30] * w
    for j in range(w):
        for a in add[j]:
            hq.push(a)
        dp[j] = hq[0]
        for a in rem[j]:
            hq.remove(a)

    for j in range(1, w):
        if S[i][j] != "#":
            dp[j] = min(dp[j], dp[j - 1] + 1)
    for j in range(w - 2, -1, -1):
        if S[i][j] != "#":
            dp[j] = min(dp[j], dp[j + 1] + 1)


print(*dp, sep="\n")