python算法题–文件夹操作日志搜集器

class Solution:
    def minOperations(self, logs: List[str]) -> int:
        result=0
        for i in range(0,len(logs)):
            if logs[i]==’../’:
                if result>0:
                    result-=1
            elif logs[i]==’./’:
                continue
            else:
                result+=1
        return result