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看不懂你题目啊。到底可不可以let light pass?能let几次?刚刚还说不能呢……怎么又能了?

Posted by whitesweater at 2007-06-03 13:34:05 on Problem 3234
In Reply To:其实这题相对简单丫,怎么没人交-_- Posted by:ZJ03 at 2007-06-03 13:26:31


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