2018年3月11日
codeforces 150A 质数因子
摘要： You can't possibly imagine how cold our friends are this winter in Nvodsk! Two of them play the following game to warm up: initially a piece of paper 阅读全文
posted @ 2018-03-11 13:14 怀揣少年梦．# 阅读(195) 评论(0) 推荐(0)