class Solution:
def minDeletionSize(self, A):
"""
:type A: List[str]
:rtype: int
"""
d = 0
for e in zip(*A): # zip(*¥)解压
if list(e) != sorted(e):
d += 1
return d
leetcode - 944 - 删除列以使之有序
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转载自blog.csdn.net/hustwayne/article/details/84502525
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