ACM-ICPC 2018 南京赛区网络预赛 J.sum
摘要：
A square-free integer is an integer which is indivisible by any square number except 11. For example, 6 = 2 \cdot 36=2⋅3 is square-free, but 12 = 2^2 阅读全文
posted @ 2018-09-03 20:29 nowting 阅读(256) 评论(0) 推荐(0)
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