二分-E - Rikka with Mutex

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二分-E - Rikka with Mutex

E - Rikka with Mutex Sometimes, technical terms implicate some life philosophy. Mutex is one of them. On your way to dream, you may be locked by some difficulties, and you need someone to stop his step, and help you get through them. To help you know…

2019 HZNU Winter Training Day 14 Comprehensive Training

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JAVA+大数搞了一遍- - 不是很麻烦- - /* HDU 6093 - Rikka with Number [ 进制转换,康托展开,大数 ] | 2017 Multi-University Training Contest 5 题意: 求L,R之间的好数的个数,好数要求在某个d(>=2)进制下数位是0到d-1的分析: d 进制下好数的个数为 d!-(d-1)! ,且满足 d^(d-1) <= K <= d^d 可知若 N > d^d 则 1-N 包含前 d-1 个进制的所有…

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