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题目貌似简单,但容易出错,九次才过,总结一下,希望对大家有所帮助首先,注意文件结束和输出格式(认真地读懂题目),这是关键! 其次是题目要求是把所有可能的情况输出,不要重复。如果这步没做好的话,那么每次提交都wrong answer! Followed by: Post your reply here: |
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