Solution -「洛谷 P5072」「YunoOI 2015」盼君勿忘
DescriptionLink.无修支持查询:查询一个区间 $[l,r]$ 中所有子序列分别去重后的和 $\bmod\ p$Solution这是数据结构一百题的第50题(一半了哦)的纪念题解。无...
In mathematics you don't understand things, you just get used to them.
In mathematics you don't understand things, you just get used to them.