题解 | #扫雷#

m, n = map(int, input().split()) li = [' '.join(input()).split() for i in range(m)] data_li = [] for j in range(m): for k in range(n): if li[j][k] == '.': a, b = 0 if j-1 < 0 else j-1, m-1 if j+1 > m-1 else j+1 c, d = 0 if k-1 < 0 else k-1, n-1 if k+1 > n-1 else k+1 for p in range(a, b + 1): for q in range(c, d + 1): data_li.append(li[p][q]) li[j][k] = str(data_li.count('*')) data_li = [] print(''.join(li[j]))