2015年9月29日
Codeforces Round #233 (Div. 2)D. Painting The Wall 概率DP
摘要： D. Painting The WallUser ainta decided to paint a wall. The wall consists ofn2tiles, that are arranged in ann ×... 阅读全文
posted @ 2015-09-29 14:35 meekyan 阅读(311) 评论(0) 推荐(0) 编辑