摘要：
Suppose we abstract our file system by a string in the following manner: The string "dir\n\tsubdir1\n\tsubdir2\n\t\tfile.ext" represents: The director 阅读全文
posted @ 2016-08-24 14:10
LiBlog
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摘要：
A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that are o 阅读全文
posted @ 2016-08-24 12:49
LiBlog
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