2017年7月31日
ZOJ 3233 Lucky Number 容斥原理
摘要： Watashi loves M mm very much. One day, M mm gives Watashi a chance to choose a number between low and high, and if the choosen number is lucky, M mm w 阅读全文
posted @ 2017-07-31 20:40 meekyan 阅读(235) 评论(0) 推荐(0)
Codeforces Round #426 (Div. 2) D. The Bakery 线段树优化DP
摘要： D. The Bakery Some time ago Slastyona the Sweetmaid decided to open her own bakery! She bought required ingredients and a wonder-oven which can bake s 阅读全文
posted @ 2017-07-31 11:02 meekyan 阅读(324) 评论(0) 推荐(0)