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4 changes: 1 addition & 3 deletions .idea/misc.xml

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267 changes: 130 additions & 137 deletions .idea/workspace.xml

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41 changes: 41 additions & 0 deletions src/main/com/libin/yfl/67.py
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'''
944. 删列造序
给定由 N 个小写字母字符串组成的数组 A,其中每个字符串长度相等。
你需要选出一组要删掉的列 D,对 A 执行删除操作,使 A 中剩余的每一列都是 非降序 排列的,然后请你返回 D.length 的最小可能值。
删除 操作的定义是:选出一组要删掉的列,删去 A 中对应列中的所有字符,形式上,第 n 列为 [A[0][n], A[1][n], ..., A[A.length-1][n]])。(可以参见 删除操作范例)

示例 1:

输入:["cba", "daf", "ghi"]
输出:1
解释:
当选择 D = {1},删除后 A 的列为:["c","d","g"] 和 ["a","f","i"],均为非降序排列。
若选择 D = {},那么 A 的列 ["b","a","h"] 就不是非降序排列了。
示例 2:

输入:["a", "b"]
输出:0
解释:D = {}
示例 3:

输入:["zyx", "wvu", "tsr"]
输出:3
解释:D = {0, 1, 2}
'''


class Solution:
def minDeletionSize(self, A: List[str]) -> int:
list1 = []
for i in range(len(A[0])):
linshi = []
for j in range(len(A)):
linshi.append(A[j][i])
list1.append(linshi)
count = 0
for each in list1:
linshi = [x for x in each]
each.sort()
if linshi != each:
count += 1
return count
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