摘要: You are given an array x of n positive numbers. You start at point x[0] metres to the north, then x[2] metres to the south, x[3] metres to the east an 阅读全文
posted @ 2016-03-09 13:33 立志不当渣渣的小渣 阅读(286) 评论(1) 推荐(0) 编辑