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注意下面几点并给出此题的增强版分子和分母相等。 分母为1. 分子为0. http://acm.fafu.edu.cn/showproblem?problem_id=1117 这个链接的题目算是此题的增强版吧,有兴趣的试试。 Followed by: Post your reply here: |
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