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建议题目中再加一些样例数据

Posted by lda at 2009-01-14 22:57:51 on Problem 1820
这是我在poj见到的叙述最详尽的一道题,但仍然有一些情况没有把握
比如,
A = (D D)
B = ((1) (2))
EOD
A ? B
EOE
如果严格按照题目叙述的规则,应该认为A=B,
因为D与(1)相等,D又与(2)相等。但事实上有感觉D不应该同时等于(1)和(2),不知道怎么处理
类似的问题还有一些
虽然题目已经尽可能的详细了,但是我仍然觉得题目中有必要再加一些样例数据

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