2015年9月16日
codeforces 574D. Bear and Blocks
摘要： Limak is a little bear who loves to play. Today he is playing by destroying block towers. He built n towers in a row. The i-th tower i... 阅读全文
posted @ 2015-09-16 19:33 Herumw 阅读(189) 评论(0) 推荐(0) 编辑