13 lines
312 B
Python
13 lines
312 B
Python
# https://leetcode.com/problems/clear-digits
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class Solution:
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def clearDigits(self, s: str) -> str:
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stack = []
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for i in range(len(s)):
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if '0' <= s[i] and s[i] <= '9':
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stack.pop()
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else:
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stack.append(s[i])
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return ''.join(stack)
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