2018年8月4日
浙南联合训练赛20180804
摘要： A - Beavergnaw POJ - 2405 When chomping a tree the beaver cuts a very specific shape out of the tree trunk. What is left in the tree trunk looks like 阅读全文
posted @ 2018-08-04 21:23 暴力都不会的蒟蒻 阅读(279) 评论(0) 推荐(0) 编辑