摘要: 2020牛客暑期多校训练营(第二场)J - Just Shuffle 阅读全文
posted @ 2020-09-01 22:57 ljxtt 阅读(240) 评论(0) 推荐(2)
摘要: 一些质数表 阅读全文
posted @ 2020-08-16 21:18 ljxtt 阅读(31683) 评论(7) 推荐(48)
摘要: Educational Codeforces Round 93 (Rated for Div. 2) 阅读全文
posted @ 2020-08-15 12:21 ljxtt 阅读(150) 评论(0) 推荐(0)
摘要: a1=1na2=1nax=1n(j=1xajk)f(gcd(a1,a2,,ax))gcd(a1,a2,,ax) 阅读全文
posted @ 2020-08-06 20:17 ljxtt 阅读(133) 评论(0) 推荐(0)
摘要: 序列变换 HDU - 5256 阅读全文
posted @ 2020-01-21 20:01 ljxtt 阅读(377) 评论(0) 推荐(1)
摘要: Educational Codeforces Round 80 (Rated for Div. 2) 阅读全文
posted @ 2020-01-17 01:39 ljxtt 阅读(308) 评论(0) 推荐(0)
摘要: 寒假集训 - 个人训练赛 1 阅读全文
posted @ 2020-01-16 00:48 ljxtt 阅读(288) 评论(0) 推荐(0)
摘要: 给你 n 根木根,任选 3 根,能组成三角形的概率是多少? 阅读全文
posted @ 2020-01-14 23:32 ljxtt 阅读(291) 评论(0) 推荐(0)
摘要: 如何将多项式分式拆开成一次项分式相加? 阅读全文
posted @ 2020-01-12 12:00 ljxtt 阅读(10762) 评论(2) 推荐(3)
摘要: 今有物不知其数,三三数之剩二,五五数之剩三,七七数之剩二,问物几何? 阅读全文
posted @ 2020-01-01 09:40 ljxtt 阅读(581) 评论(0) 推荐(0)
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