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ReconstructOriginalDigitsFromEnglish.py
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46 lines (37 loc) · 1.45 KB
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# -*- coding: utf-8 -*-
# @File : ReconstructOriginalDigitsFromEnglish.py
# @Date : 2020-02-22
# @Author : tc
"""
题号 423 从英文中重建数字
给定一个非空字符串,其中包含字母顺序打乱的英文单词表示的数字0-9。按升序输出原始的数字。
注意:
输入只包含小写英文字母。
输入保证合法并可以转换为原始的数字,这意味着像 "abc" 或 "zerone" 的输入是不允许的。
输入字符串的长度小于 50,000。
示例 1:
输入: "owoztneoer"
输出: "012" (zeroonetwo)
示例 2:
输入: "fviefuro"
输出: "45" (fourfive)
参考:https://leetcode.com/problems/reconstruct-original-digits-from-english/discuss/91191/Python-solution-that-beats-100...
"""
class Solution:
def originalDigits(self, s: str) -> str:
res = ""
res += "0" * s.count('z') # zero
res += "1" * (s.count('o') - s.count('z') - s.count('w') - s.count('u'))
res += "2" * s.count('w') # two
res += "3" * (s.count('h') - s.count('g'))
res += "4" * s.count('u') # four
res += "5" * (s.count('f') - s.count('u'))
res += "6" * s.count('x') # six
res += "7" * (s.count('s') - s.count('x'))
res += "8" * s.count("g") # eight
res += "9" * (s.count('i') - s.count('x') - s.count("g") - s.count('f') + s.count('u'))
return res
if __name__ == '__main__':
s = "owoztneoer"
solution = Solution()
print(solution.originalDigits(s))