HDUOJ 4947 - GCD Array

题面对于长度为     Read more
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Jimmy Zhang Nov 24, 2018

Luogu P1829 - Crash 的数字表格

题面给定     Read more
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Jimmy Zhang Nov 21, 2018

浅谈莫比乌斯反演

简介最近经常演人/被人演,所以是时候学一学反演了。莫比乌斯函...     Read more
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Jimmy Zhang Nov 18, 2018

BZOJ 2187 - fraction

题面给定四个正整数 ...     Read more
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Jimmy Zhang Oct 28, 2018

BZOJ 3817 - Sum

题面给定正整数     Read more
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Jimmy Zhang Oct 28, 2018

HDUOJ 6275 - Mod, Xor and Everything

题面对于给定的     Read more
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Jimmy Zhang Oct 25, 2018

浅谈类欧几里德算法

本文数学公式较长,建议在屏幕较大的设备上阅读。简介...     Read more
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Jimmy Zhang Oct 18, 2018

HDUOJ 5514 - Frogs

题面现有     Read more
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Jimmy Zhang Oct 03, 2018

HDUOJ 6434 - Count

题面本题有     Read more
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Jimmy Zhang Aug 23, 2018