题解 | 翻之
翻之
https://www.nowcoder.com/practice/98204dce2782410a822ac53c5025b88a
import sys
from collections import Counter
n, m = map(int, sys.stdin.readline().split())
matrix = [sys.stdin.readline().strip() for _ in range(n)]
columns = []
for j in range(m):
col = ''.join([matrix[i][j] for i in range(n)])
columns.append(col)
count = Counter(columns)
print(max(count.values()))
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