2015年11月1日
二维坐标旋转
摘要： DescriptionInna and Dima decided to surprise Sereja. They brought a really huge candy matrix, it's big even for Sereja! Let's number the rows of the g... 阅读全文
posted @ 2015-11-01 15:45 茶飘香~ 阅读(409) 评论(0) 推荐(0) 编辑