from collections import defaultdict
import numpy as np
n,m = map(int,input().split())
ar1=np.zeros((n,m),dtype=int)
ar2=np.zeros((n,m),dtype=int)
for i in range(int(n)):
ar1[i]=input().split()
dict1=defaultdict(list)
for i in range(n):
for j in range(m):
dict1[ar1[i][j]].append((i,j))
for i in range(n):
for j in range(m):
max_num=0
num=ar1[i][j]
if num in dict1:
for a,b in dict1[num]:
max_num=max(max_num,abs(i-a)**2+abs(j-b)**2)
ar2[i][j]=max_num
for i in ar2:
print(*i)
90测试点6超时,求大佬优化时间复杂度