2017年2月23日
USACO 5.5 Picture
摘要： A number, N (1 <= N < 5000), of rectangular posters, photographs and other pictures of the same shape are pasted on a wall. Their sides are all vertic 阅读全文
posted @ 2017-02-23 11:23 sigongzi 阅读(488) 评论(0) 推荐(0)