2018年9月4日
FJNUOJ Yehan’s hole（容斥求路径数 + 逆元）题解
摘要： Description Yehan is a angry grumpy rabbit, who likes jumping into the hole. This day,Yehan jumps again in the pit at home. Each time, he should jump 阅读全文
posted @ 2018-09-04 22:03 KirinSB 阅读(234) 评论(0) 推荐(0) 编辑